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Drinking water in Lehrte

12 supply zones — values can differ depending on the district. Below is the zone with the most documented parameters, the others collapsed underneath. To determine the exact match, look up the postcode.

How to read the share of the parametric value

12 % Share of the parametric value. The proportion of the permitted maximum that the measured value uses — here 12 %, so just over an eighth.
< 10 % * Below the limit of quantification. The substance was not detectable. The mark shows where the detection limit lies relative to the parametric value — the actual share of the parametric value is below that.

Several samples per year: for chemical parameters the mean value is given, for microbiological ones the highest measured value. There the parametric value is zero — a single finding would disappear in the average, and it is precisely that finding which is the information. Which reference applies is stated in the last column of the table.

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

Water hardness
11.8 °dH
Hardness range mittel
Key values burgwedel gesamt
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 2,2 mg/l 50 mg/l
4 %
Mean
Sulphate 91 mg/l 250 mg/l
36 %
Mean
Show all recorded parameters (13 — most recent value per parameter)

Chemical parameters (1)

Chemical parameters – burgwedel gesamt
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 2,2 mg/l 50 mg/l
4 %
Mean

Indicator parameters (5)

Indicator parameters – burgwedel gesamt
Parameter Value Parametric value Share of the parametric value Reference
Ammonium < 0,04 mg/l
below limit of quantification
0.5 mg/l
< 8 % *
Mean
Chloride 48 mg/l 250 mg/l
19 %
Mean
Manganese < 0,015 mg/l
below limit of quantification
50 µg/l
< 30 % *
Mean
pH 7,80 --- 6,5–9,5 Mean
Sulphate 91 mg/l 250 mg/l
36 %
Mean

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Further parameters (7)

Further parameters – burgwedel gesamt
Parameter Value Parametric value Share of the parametric value Reference
Calcium 76 mg/l Mean
Carbonate hardness 1,2 mmol/l Mean
Hardness range (WRMG) mittel --- Mean
Magnesium 5,8 mg/l Mean
Phosphate < 0,3 mg/l
below limit of quantification
Mean
Potassium 3,7 mg/l Mean
Total hardness 2,1 mmol/l Mean

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Source: burgwedel-b45e26f2.html · Februar 2026 · Januar bis Dezember des Vorjahres · retrieved on 11/07/2026

Postcodes in this zone: 31275

Show 11 more supply zones

Giesen, Seniorenwohnpark Giesen GmbH

Wasserverband Peine

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 12/03/2025. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.

Water hardness
3.4 °dH
Hardness range soft
Key values Giesen, Seniorenwohnpark Giesen GmbH
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 8,1 mg/l 50 mg/l
16 %
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Lead 0,0013 mg/l 10 µg/l
13 %
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Sulphate 23,6 mg/l 250 mg/l
9 %
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Sodium 6,2 mg/l 200 mg/l
3 %
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Show all recorded parameters (75 — most recent value per parameter)

Chemical parameters (55)

Chemical parameters – Giesen, Seniorenwohnpark Giesen GmbH
Parameter Value Parametric value Share of the parametric value Reference
1,2-dichloroethane < 0,0007 mg/l
below limit of quantification
3 µg/l
< 23 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
2,6-Dichlorobenzamide (BAM) < 0,00005 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Acrylamide < 0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
AMPA < 0,00007 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Arsenic < 0,0006 mg/l
below limit of quantification
10 µg/l
< 6 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Atrazine < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Bentazone < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Benzene < 0,0003 mg/l
below limit of quantification
1 µg/l
< 30 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Benzo(a)pyrene < 0,000002 mg/l
below limit of quantification
10 ng/l
< 20 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Bisphenol A < 0,0001 mg/l
below limit of quantification
2.5 µg/l
< 4 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Boron < 0,03 mg/l
below limit of quantification
1 mg/l
< 3 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Bromacil < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Bromate < 0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Cadmium < 0,0004 mg/l
below limit of quantification
3 µg/l
< 13 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Chlorate < 0,02 mg/l
below limit of quantification
70 µg/l
< 29 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Chloridazon < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Chlorite < 0,06 mg/l
below limit of quantification
0.2 mg/l
< 30 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Chlorotoluron < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Desethylatrazine < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Desethylterbuthylazine < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Desisopropylatrazine < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Dichlorprop < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Dimethachlor < 0,00005 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Dimethenamid < 0,00005 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Diuron < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Epichlorohydrin < 0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Ethidimuron < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Ethofumesate < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Flufenacet < 0,00005 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Fluoride 0,05 mg/l 1.5 mg/l
3 %
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Glyphosate < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Isoproturon < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Lead 0,0013 mg/l 10 µg/l
13 %
Single value · Giesen, Seniorenwohnpark Giesen GmbH
MCPA < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Mecoprop < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Metalaxyl < 0,00005 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Metamitron < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Metazachlor < 0,00005 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Metolachlor < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Metoxuron < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Metribuzin < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Nickel < 0,001 mg/l
below limit of quantification
20 µg/l
< 5 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Nitrate 8,1 mg/l 50 mg/l
16 %
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Nitrite < 0,01 mg/l
below limit of quantification
0.5 mg/l
< 2 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Oxadixyl < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Polycyclic aromatic hydrocarbons < 0,00001 mg/l
below limit of quantification
0.1 µg/l
< 10 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Selenium < 0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Simazine < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Tebuconazole < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Terbuthylazine < 0,00003 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Tetrachloroethene < 0,001 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Trichloroethene < 0,0009 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Trihalomethanes — Total 0,0059 mg/l 50 µg/l
12 %
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Uranium < 0,0001 mg/l
below limit of quantification
10 µg/l
< 1 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Vinyl chloride < 0,0003 mg/l
below limit of quantification
0.5 µg/l
< 60 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Metabolites (2)

Metabolites – Giesen, Seniorenwohnpark Giesen GmbH
Parameter Value Parametric value Share of the parametric value Reference
Desphenyl-chloridazon < 0,00005 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Methyl-desphenyl-chloridazon < 0,00005 mg/l
below limit of quantification
Single value · Giesen, Seniorenwohnpark Giesen GmbH

Indicator parameters (11)

Indicator parameters – Giesen, Seniorenwohnpark Giesen GmbH
Parameter Value Parametric value Share of the parametric value Reference
Ammonium < 0,04 mg/l
below limit of quantification
0.5 mg/l
< 8 % *
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Calcite dissolution capacity 0,6 mg/l 5 mg/l CaCO3 Single value · Giesen, Seniorenwohnpark Giesen GmbH
Chloride 9,4 mg/l 250 mg/l
4 %
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Odour normal ohne für den Verbraucher annehmbar Single value · Giesen, Seniorenwohnpark Giesen GmbH
pH 8,68 ohne 6,5–9,5 Single value · Giesen, Seniorenwohnpark Giesen GmbH
Sodium 6,2 mg/l 200 mg/l
3 %
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Sulphate 23,6 mg/l 250 mg/l
9 %
Single value · Giesen, Seniorenwohnpark Giesen GmbH
Taste normal ohne für den Verbraucher annehmbar Single value · Giesen, Seniorenwohnpark Giesen GmbH
Temperature 8,9 °C Single value · Giesen, Seniorenwohnpark Giesen GmbH
Total organic carbon (TOC) 1,2 mg/l ohne anormale Veränderung Single value · Giesen, Seniorenwohnpark Giesen GmbH
Turbidity 0,17 ohne 1 NTU Single value · Giesen, Seniorenwohnpark Giesen GmbH

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Further parameters (7)

Further parameters – Giesen, Seniorenwohnpark Giesen GmbH
Parameter Value Parametric value Share of the parametric value Reference
Acid capacity to pH 4.3 0,64 mmol/l Single value · Giesen, Seniorenwohnpark Giesen GmbH
Calcium 18,7 mg/l Single value · Giesen, Seniorenwohnpark Giesen GmbH
Magnesium 3,1 mg/l Single value · Giesen, Seniorenwohnpark Giesen GmbH
Oxygen 11,6 mg/l Single value · Giesen, Seniorenwohnpark Giesen GmbH
Potassium 0,8 mg/l Single value · Giesen, Seniorenwohnpark Giesen GmbH
Silicate / silicic acid 5,5 mg/l Single value · Giesen, Seniorenwohnpark Giesen GmbH
Total hardness 0,6 mmol/l Single value · Giesen, Seniorenwohnpark Giesen GmbH

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Source: https://wvp-online.de/vertragsbedingungen-formulare/109-analyse-giesen · Stand 12 / 2025 · Probenahme 12.03.2025 · retrieved on 11/07/2026

Postcodes in this zone: 31275

HB Ramsberg / RWL Ramlingen

Harz Wasserwerke

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

Water hardness
6.5 °dH
Hardness range weich
Key values HB Ramsberg / RWL Ramlingen
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 2,1 mg/l 50 mg/l
4 %
Mean · Source [1]
Lead <0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Mean · Source [1]
Escherichia coli (E. coli) 0 / 100 ml 0/100 ml Maximum · Median 0 · Source [1]
Sulphate 86,3 mg/l 250 mg/l
35 %
Mean · Source [1]
Sodium 1,265 mmol/l 200 mg/l Mean · Source [1]

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Show all recorded parameters (65 — most recent value per parameter)

Microbiology (2)

Microbiology – HB Ramsberg / RWL Ramlingen
Parameter Value Parametric value Share of the parametric value Reference
Escherichia coli (E. coli) 0 / 100 ml 0/100 ml Maximum · Median 0 · Source [1]
Intestinal enterococci 0 / 100 ml 0/100 ml Maximum · Median 0 · Source [1]

Chemical parameters (29)

Chemical parameters – HB Ramsberg / RWL Ramlingen
Parameter Value Parametric value Share of the parametric value Reference
1,2-dichloroethane <0,0001 mg/l
below limit of quantification
3 µg/l
< 3 % *
Mean · Source [1]
2,6-Dichlorobenzamide (BAM) n.b. mg/l
not determined
Mean · Source [1]
Antimony <0,0005 mg/l
below limit of quantification
5 µg/l
< 10 % *
Mean · Source [1]
Arsenic <0,0005 mg/l
below limit of quantification
10 µg/l
< 5 % *
Mean · Source [1]
Benzene <0,0001 mg/l
below limit of quantification
1 µg/l
< 10 % *
Mean · Source [1]
Benzo(a)pyrene <0,00001 mg/l
below limit of quantification
10 ng/l
< 100 % *
Mean · Source [1]
Bisphenol A <0.0001 mg/l
below limit of quantification
2.5 µg/l
< 4 % *
Mean · Source [2]
Boron <0,05 mg/l
below limit of quantification
1 mg/l
< 5 % *
Mean · Source [1]
Bromate <0,01 mg/l
below limit of quantification
10 µg/l
< 100 % *
Mean · Source [1]
Cadmium <0,001 mg/l
below limit of quantification
3 µg/l
< 33 % *
Mean · Source [1]
Chlorite n.b. mg/l
not determined
0.2 mg/l Mean · Source [1]
Chromium <0,001 mg/l
below limit of quantification
25 µg/l
< 4 % *
Mean · Source [1]
Copper 0,0041 mg/l 2 mg/l
0.2 %
Mean · Source [1]
Cyanide <0,001 mg/l
below limit of quantification
50 µg/l
< 2 % *
Mean · Source [1]
Dimethachlor sulfonic acid n.b. mg/l
not determined
Mean · Source [1]
Fluoride 0,10 mg/l 1.5 mg/l
7 %
Mean · Source [1]
Lead <0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Mean · Source [1]
Mercury <0,0001 mg/l
below limit of quantification
1 µg/l
< 10 % *
Mean · Source [1]
Metazachlor acid n.b. mg/l
not determined
Mean · Source [1]
Metazachlor sulfonic acid n.b. mg/l
not determined
Mean · Source [1]
Metolachlor acid n.b. mg/l
not determined
Mean · Source [1]
Metolachlor sulfonic acid n.b. mg/l
not determined
Mean · Source [1]
Nickel <0,001 mg/l
below limit of quantification
20 µg/l
< 5 % *
Mean · Source [1]
Nitrate 2,1 mg/l 50 mg/l
4 %
Mean · Source [1]
Nitrite 0,003 mg/l 0.5 mg/l
0.6 %
Mean · Source [1]
Polycyclic aromatic hydrocarbons <0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Mean · Source [1]
Selenium <0,0005 mg/l
below limit of quantification
10 µg/l
< 5 % *
Mean · Source [1]
Tetrachloromethane <0,0001 mg/l
below limit of quantification
Mean · Source [1]
Uranium <0,0001 mg/l
below limit of quantification
10 µg/l
< 1 % *
Mean · Source [1]

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

PFAS (1)

PFAS – HB Ramsberg / RWL Ramlingen
Parameter Value Parametric value Share of the parametric value Reference
Trifluoroacetic acid (TFA) n.b. mg/l
not determined
60 µg/l
UBA guide value
Mean · Source [1]

For trifluoroacetic acid (TFA), the German Drinking Water Ordinance does not specify a parametric value. The comparison is therefore made with the guide value of 60 µg/l issued by the Umweltbundesamt, which has replaced the earlier health-related guidance value of 3 µg/l. A guide value is not a legal maximum but a health-related classification.

Indicator parameters (19)

Indicator parameters – HB Ramsberg / RWL Ramlingen
Parameter Value Parametric value Share of the parametric value Reference
Aluminium 0,002 mg/l 0.2 mg/l
1 %
Mean · Source [1]
Ammonium <0,03 mg/l
below limit of quantification
0.5 mg/l
< 6 % *
Mean · Source [1]
Calcite dissolution capacity n.b. mg/l
not determined
5 mg/l CaCO3 Mean · Source [1]
Chloride 36,3 mg/l 250 mg/l
15 %
Mean · Source [1]
Clostridium perfringens (including spores) n.b. / 100 ml
not determined
0/100 ml Maximum · Median n.b. · Source [1]
Coliform bacteria 0 / 100 ml 0/100 ml Maximum · Median 0 · Source [1]
Colony count 22 °C 1 /ml ohne anormale Veränderung Mean · Source [1]
Colony count 36 °C 0 /ml ohne anormale Veränderung Mean · Source [1]
Colour 0,17 /m 0.5 m⁻¹ Mean · Source [1]
Iron 0,004 mg/l 0.2 mg/l
2 %
Mean · Source [1]
Manganese <0,001 mg/l
below limit of quantification
50 µg/l
< 2 % *
Mean · Source [1]
pH 8,57 6,5–9,5 Mean · Source [1]
Sodium 1,265 mmol/l 200 mg/l Mean · Source [1]
Sulphate 86,3 mg/l 250 mg/l
35 %
Mean · Source [1]
Taste ohne für den Verbraucher annehmbar Mean · Source [1]
Temperature 11,9 °C Mean · Source [1]
Threshold odour number (TON) 1 Mean · Source [1]
Total organic carbon (TOC) 3,6 mg/l ohne anormale Veränderung Mean · Source [1]
Turbidity 0,04 FTU 1 NTU Mean · Source [1]

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Treatment substances (2)

Treatment substances – HB Ramsberg / RWL Ramlingen
Parameter Value Parametric value Share of the parametric value Reference
Chlorine dioxide n.b. mg/l
not determined
Mean · Source [1]
Total chlorine <0,02 mg/l
below limit of quantification
Mean · Source [1]

Further parameters (12)

Further parameters – HB Ramsberg / RWL Ramlingen
Parameter Value Parametric value Share of the parametric value Reference
Barium 0,03 mg/l Mean · Source [1]
Calcium 0,978 mmol/l Mean · Source [1]
Carbonate hardness 3,3 °dH Mean · Source [1]
Hardness range (WRMG) weich Mean · Source [1]
Magnesium 0,180 mmol/l Mean · Source [1]
Oxygen 9,9 mg/l Mean · Source [1]
Phosphate <0,005 mg/l
below limit of quantification
Mean · Source [1]
Potassium 0,104 mmol/l Mean · Source [1]
Silicate / silicic acid 7,8 mg/l Mean · Source [1]
Sum of alkaline earth metals 1,158 mmol/l Mean · Source [1]
Total hardness 6,5 °dH Mean · Source [1]
Zinc 0,002 mg/l Mean · Source [1]

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Sources: [1] https://www.stadtwerke-lehrte.de/de/Netze1/Wasser/Trinkwasseranalyse-2024.pdf · Monatsanalysen 2024 · retrieved on 11/07/2026 [2] https://www.stadtwerke-lehrte.de/de/Netze1/Wasser/Wasser/15-HB-Ramsberg-RWL-Ramlingen-2025.pdf · Monatsanalysen aus 2025 (Jahreswerte Mittel/Min/Max) · retrieved on 11/07/2026

Postcodes in this zone: 31275

Ölsburg, Grundschule Fröbelstr

Wasserverband Peine

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

Water hardness
3.4 °dH
Hardness range soft
Key values Ölsburg, Grundschule Fröbelstr
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 7,3 mg/l 50 mg/l
15 %
Single value · Ölsburg, Grundschule Fröbelstr
Lead < 0,0011 mg/l
below limit of quantification
10 µg/l
< 11 % *
Single value · Ölsburg, Grundschule Fröbelstr
Sulphate 24 mg/l 250 mg/l
10 %
Single value · Ölsburg, Grundschule Fröbelstr
Sodium 7,6 mg/l 200 mg/l
4 %
Single value · Ölsburg, Grundschule Fröbelstr

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Show all recorded parameters (75 — most recent value per parameter)

Chemical parameters (55)

Chemical parameters – Ölsburg, Grundschule Fröbelstr
Parameter Value Parametric value Share of the parametric value Reference
1,2-dichloroethane < 0,0007 mg/l
below limit of quantification
3 µg/l
< 23 % *
Single value · Ölsburg, Grundschule Fröbelstr
2,6-Dichlorobenzamide (BAM) < 0,00005 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Acrylamide < 0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Single value · Ölsburg, Grundschule Fröbelstr
AMPA < 0,00007 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Arsenic < 0,0006 mg/l
below limit of quantification
10 µg/l
< 6 % *
Single value · Ölsburg, Grundschule Fröbelstr
Atrazine < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Bentazone < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Benzene < 0,0003 mg/l
below limit of quantification
1 µg/l
< 30 % *
Single value · Ölsburg, Grundschule Fröbelstr
Benzo(a)pyrene < 0,000002 mg/l
below limit of quantification
10 ng/l
< 20 % *
Single value · Ölsburg, Grundschule Fröbelstr
Bisphenol A < 0,0001 mg/l
below limit of quantification
2.5 µg/l
< 4 % *
Single value · Ölsburg, Grundschule Fröbelstr
Boron < 0,03 mg/l
below limit of quantification
1 mg/l
< 3 % *
Single value · Ölsburg, Grundschule Fröbelstr
Bromacil < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Bromate < 0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value · Ölsburg, Grundschule Fröbelstr
Cadmium < 0,0004 mg/l
below limit of quantification
3 µg/l
< 13 % *
Single value · Ölsburg, Grundschule Fröbelstr
Chlorate < 0,02 mg/l
below limit of quantification
70 µg/l
< 29 % *
Single value · Ölsburg, Grundschule Fröbelstr
Chloridazon < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Chlorite < 0,06 mg/l
below limit of quantification
0.2 mg/l
< 30 % *
Single value · Ölsburg, Grundschule Fröbelstr
Chlorotoluron < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Desethylatrazine < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Desethylterbuthylazine < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Desisopropylatrazine < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Dichlorprop < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Dimethachlor < 0,00005 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Dimethenamid < 0,00005 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Diuron < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Epichlorohydrin < 0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Single value · Ölsburg, Grundschule Fröbelstr
Ethidimuron < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Ethofumesate < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Flufenacet < 0,00005 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Fluoride 0,03 mg/l 1.5 mg/l
2 %
Single value · Ölsburg, Grundschule Fröbelstr
Glyphosate < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Isoproturon < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Lead < 0,0011 mg/l
below limit of quantification
10 µg/l
< 11 % *
Single value · Ölsburg, Grundschule Fröbelstr
MCPA < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Mecoprop < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Metalaxyl < 0,00005 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Metamitron < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Metazachlor < 0,00005 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Metolachlor < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Metoxuron < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Metribuzin < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Nickel < 0,001 mg/l
below limit of quantification
20 µg/l
< 5 % *
Single value · Ölsburg, Grundschule Fröbelstr
Nitrate 7,3 mg/l 50 mg/l
15 %
Single value · Ölsburg, Grundschule Fröbelstr
Nitrite < 0,01 mg/l
below limit of quantification
0.5 mg/l
< 2 % *
Single value · Ölsburg, Grundschule Fröbelstr
Oxadixyl < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Polycyclic aromatic hydrocarbons < 0,00001 mg/l
below limit of quantification
0.1 µg/l
< 10 % *
Single value · Ölsburg, Grundschule Fröbelstr
Selenium < 0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Single value · Ölsburg, Grundschule Fröbelstr
Simazine < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Tebuconazole < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Terbuthylazine < 0,00003 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Tetrachloroethene < 0,001 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Trichloroethene < 0,0009 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Trihalomethanes — Total 0,0077 mg/l 50 µg/l
15 %
Single value · Ölsburg, Grundschule Fröbelstr
Uranium < 0,0001 mg/l
below limit of quantification
10 µg/l
< 1 % *
Single value · Ölsburg, Grundschule Fröbelstr
Vinyl chloride < 0,0003 mg/l
below limit of quantification
0.5 µg/l
< 60 % *
Single value · Ölsburg, Grundschule Fröbelstr

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Metabolites (2)

Metabolites – Ölsburg, Grundschule Fröbelstr
Parameter Value Parametric value Share of the parametric value Reference
Desphenyl-chloridazon < 0,00005 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr
Methyl-desphenyl-chloridazon < 0,00005 mg/l
below limit of quantification
Single value · Ölsburg, Grundschule Fröbelstr

Indicator parameters (11)

Indicator parameters – Ölsburg, Grundschule Fröbelstr
Parameter Value Parametric value Share of the parametric value Reference
Ammonium < 0,04 mg/l
below limit of quantification
0.5 mg/l
< 8 % *
Single value · Ölsburg, Grundschule Fröbelstr
Calcite dissolution capacity -7,1 mg/l 5 mg/l CaCO3 Single value · Ölsburg, Grundschule Fröbelstr
Chloride 9,3 mg/l 250 mg/l
4 %
Single value · Ölsburg, Grundschule Fröbelstr
Odour normal ohne für den Verbraucher annehmbar Single value · Ölsburg, Grundschule Fröbelstr
pH 9,27 ohne 6,5–9,5 Single value · Ölsburg, Grundschule Fröbelstr
Sodium 7,6 mg/l 200 mg/l
4 %
Single value · Ölsburg, Grundschule Fröbelstr
Sulphate 24 mg/l 250 mg/l
10 %
Single value · Ölsburg, Grundschule Fröbelstr
Taste normal ohne für den Verbraucher annehmbar Single value · Ölsburg, Grundschule Fröbelstr
Temperature 17,6 °C Single value · Ölsburg, Grundschule Fröbelstr
Total organic carbon (TOC) 1,5 mg/l ohne anormale Veränderung Single value · Ölsburg, Grundschule Fröbelstr
Turbidity 0,27 ohne 1 NTU Single value · Ölsburg, Grundschule Fröbelstr

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Further parameters (7)

Further parameters – Ölsburg, Grundschule Fröbelstr
Parameter Value Parametric value Share of the parametric value Reference
Acid capacity to pH 4.3 0,83 mmol/l Single value · Ölsburg, Grundschule Fröbelstr
Calcium 20,8 mg/l Single value · Ölsburg, Grundschule Fröbelstr
Magnesium 3 mg/l Single value · Ölsburg, Grundschule Fröbelstr
Oxygen 9,2 mg/l Single value · Ölsburg, Grundschule Fröbelstr
Potassium 0,9 mg/l Single value · Ölsburg, Grundschule Fröbelstr
Silicate / silicic acid 5,9 mg/l Single value · Ölsburg, Grundschule Fröbelstr
Total hardness 0,6 mmol/l Single value · Ölsburg, Grundschule Fröbelstr

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Source: https://wvp-online.de/vertragsbedingungen-formulare/123-versorgungszone-5 · Stand 12 / 2025 · retrieved on 13/07/2026

Postcodes in this zone: 31275

Versorgungszone 20 Grünenplan

Wasserverband Peine

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 04/03/2025. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.

Water hardness
3.9 °dH
Hardness range soft
Key values Versorgungszone 20 Grünenplan
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 14,7 mg/l 50 mg/l
29 %
Single value
Lead < 0,0011 mg/l
below limit of quantification
10 µg/l
< 11 % *
Single value
Sulphate 39,9 mg/l 250 mg/l
16 %
Single value
Sodium 7,7 mg/l 200 mg/l
4 %
Single value

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Show all recorded parameters (95 — most recent value per parameter)

Chemical parameters (55)

Chemical parameters – Versorgungszone 20 Grünenplan
Parameter Value Parametric value Share of the parametric value Reference
1,2-dichloroethane < 0,0007 mg/l
below limit of quantification
3 µg/l
< 23 % *
Single value
2,6-Dichlorobenzamide (BAM) < 0,00005 mg/l
below limit of quantification
Single value
Acrylamide < 0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Single value
AMPA < 0,00007 mg/l
below limit of quantification
Single value
Arsenic < 0,0006 mg/l
below limit of quantification
10 µg/l
< 6 % *
Single value
Atrazine < 0,00003 mg/l
below limit of quantification
Single value
Bentazone < 0,00003 mg/l
below limit of quantification
Single value
Benzene < 0,0003 mg/l
below limit of quantification
1 µg/l
< 30 % *
Single value
Benzo(a)pyrene < 0,000002 mg/l
below limit of quantification
10 ng/l
< 20 % *
Single value
Bisphenol A < 0,0001 mg/l
below limit of quantification
2.5 µg/l
< 4 % *
Single value
Boron < 0,03 mg/l
below limit of quantification
1 mg/l
< 3 % *
Single value
Bromacil < 0,00003 mg/l
below limit of quantification
Single value
Bromate < 0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value
Cadmium < 0,0004 mg/l
below limit of quantification
3 µg/l
< 13 % *
Single value
Chlorate 0,04 mg/l 70 µg/l
57 %
Single value
Chloridazon < 0,00003 mg/l
below limit of quantification
Single value
Chlorite < 0,06 mg/l
below limit of quantification
0.2 mg/l
< 30 % *
Single value
Chlorotoluron < 0,00003 mg/l
below limit of quantification
Single value
Desethylatrazine < 0,00003 mg/l
below limit of quantification
Single value
Desethylterbuthylazine < 0,00003 mg/l
below limit of quantification
Single value
Desisopropylatrazine < 0,00003 mg/l
below limit of quantification
Single value
Dichlorprop < 0,00003 mg/l
below limit of quantification
Single value
Dimethachlor < 0,00005 mg/l
below limit of quantification
Single value
Dimethenamid < 0,00005 mg/l
below limit of quantification
Single value
Diuron < 0,00003 mg/l
below limit of quantification
Single value
Epichlorohydrin < 0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Single value
Ethidimuron < 0,00003 mg/l
below limit of quantification
Single value
Ethofumesate < 0,00003 mg/l
below limit of quantification
Single value
Flufenacet < 0,00005 mg/l
below limit of quantification
Single value
Fluoride 0,06 mg/l 1.5 mg/l
4 %
Single value
Glyphosate < 0,00003 mg/l
below limit of quantification
Single value
Isoproturon < 0,00003 mg/l
below limit of quantification
Single value
Lead < 0,0011 mg/l
below limit of quantification
10 µg/l
< 11 % *
Single value
MCPA < 0,00003 mg/l
below limit of quantification
Single value
Mecoprop < 0,00003 mg/l
below limit of quantification
Single value
Metalaxyl < 0,00005 mg/l
below limit of quantification
Single value
Metamitron < 0,00003 mg/l
below limit of quantification
Single value
Metazachlor < 0,00005 mg/l
below limit of quantification
Single value
Metolachlor < 0,00003 mg/l
below limit of quantification
Single value
Metoxuron < 0,00003 mg/l
below limit of quantification
Single value
Metribuzin < 0,00003 mg/l
below limit of quantification
Single value
Nickel 0,0045 mg/l 20 µg/l
22 %
Single value
Nitrate 14,7 mg/l 50 mg/l
29 %
Single value
Nitrite < 0,01 mg/l
below limit of quantification
0.5 mg/l
< 2 % *
Single value
Oxadixyl < 0,00003 mg/l
below limit of quantification
Single value
Polycyclic aromatic hydrocarbons < 0,00001 mg/l
below limit of quantification
0.1 µg/l
< 10 % *
Single value
Selenium < 0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Single value
Simazine < 0,00003 mg/l
below limit of quantification
Single value
Tebuconazole < 0,00003 mg/l
below limit of quantification
Single value
Terbuthylazine < 0,00003 mg/l
below limit of quantification
Single value
Tetrachloroethene < 0,001 mg/l
below limit of quantification
Single value
Trichloroethene < 0,0009 mg/l
below limit of quantification
Single value
Trihalomethanes — Total 0,0098 mg/l 50 µg/l
20 %
Single value
Uranium < 0,0001 mg/l
below limit of quantification
10 µg/l
< 1 % *
Single value
Vinyl chloride < 0,0003 mg/l
below limit of quantification
0.5 µg/l
< 60 % *
Single value

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

PFAS (20)

PFAS – Versorgungszone 20 Grünenplan
Parameter Value Parametric value Share of the parametric value Reference
Perfluorobutane sulfonic acid (PFBS) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorobutanoic acid (PFBA) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorodecane sulfonic acid (PFDS) < 0,000005 mg/l
below limit of quantification
Single value
Perfluorodecanoic acid (PFDA) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorododecane sulfonic acid (PFDoDS) < 0,000005 mg/l
below limit of quantification
Single value
Perfluorododecanoic acid (PFDoDA) < 0,000005 mg/l
below limit of quantification
Single value
Perfluoroheptane sulfonic acid (PFHpS) < 0,000001 mg/l
below limit of quantification
Single value
Perfluoroheptanoic acid (PFHpA) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorohexane sulfonic acid (PFHxS) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorohexanoic acid (PFHxA) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorononane sulfonic acid (PFNS) < 0,000005 mg/l
below limit of quantification
Single value
Perfluorononanoic acid (PFNA) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorooctanesulfonic acid (PFOS) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorooctanoic acid (PFOA) < 0,000001 mg/l
below limit of quantification
Single value
Perfluoropentanesulfonic acid (PFPeS) < 0,000001 mg/l
below limit of quantification
Single value
Perfluoropentanoic acid (PFPeA) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorotridecanesulfonic acid (PFTrDS) < 0,000005 mg/l
below limit of quantification
Single value
Perfluorotridecanoic acid (PFTrDA) < 0,000005 mg/l
below limit of quantification
Single value
Perfluoroundecanesulfonic acid (PFUnDS) < 0,000005 mg/l
below limit of quantification
Single value
Perfluoroundecanoic acid (PFUnDA) < 0,000002 mg/l
below limit of quantification
Single value

Metabolites (2)

Metabolites – Versorgungszone 20 Grünenplan
Parameter Value Parametric value Share of the parametric value Reference
Desphenyl-chloridazon < 0,00005 mg/l
below limit of quantification
Single value
Methyl-desphenyl-chloridazon < 0,00005 mg/l
below limit of quantification
Single value

Indicator parameters (11)

Indicator parameters – Versorgungszone 20 Grünenplan
Parameter Value Parametric value Share of the parametric value Reference
Ammonium < 0,04 mg/l
below limit of quantification
0.5 mg/l
< 8 % *
Single value
Calcite dissolution capacity 1,2 mg/l 5 mg/l CaCO3 Single value
Chloride 8,1 mg/l 250 mg/l
3 %
Single value
Odour normal ohne für den Verbraucher annehmbar Single value
pH 8,51 ohne 6,5–9,5 Single value
Sodium 7,7 mg/l 200 mg/l
4 %
Single value
Sulphate 39,9 mg/l 250 mg/l
16 %
Single value
Taste normal ohne für den Verbraucher annehmbar Single value
Temperature 6,6 °C Single value
Total organic carbon (TOC) 1 mg/l ohne anormale Veränderung Single value
Turbidity 0,1 ohne 1 NTU Single value

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Further parameters (7)

Further parameters – Versorgungszone 20 Grünenplan
Parameter Value Parametric value Share of the parametric value Reference
Acid capacity to pH 4.3 0,61 mmol/l Single value
Calcium 21,6 mg/l Single value
Magnesium 4,3 mg/l Single value
Oxygen 11,8 mg/l Single value
Potassium 2 mg/l Single value
Silicate / silicic acid 9,2 mg/l Single value
Total hardness 0,7 mmol/l Single value

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Source: https://wvp-online.de/vertragsbedingungen-formulare/138-versorgungszone-20 · 12 / 2025 · 04.03.2025 · retrieved on 13/07/2026

Postcodes in this zone: 31275

Versorgungszone 2 / WW Burgdorfer Holz

Wasserverband Peine

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 12/06/2025. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.

Water hardness
11.8 °dH
Hardness range medium
Key values Versorgungszone 2 / WW Burgdorfer Holz
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 0,3 mg/l 50 mg/l
0.6 %
Single value
Lead < 0,0011 mg/l
below limit of quantification
10 µg/l
< 11 % *
Single value
Sulphate 97,3 mg/l 250 mg/l
39 %
Single value
Sodium 20,4 mg/l 200 mg/l
10 %
Single value

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Show all recorded parameters (95 — most recent value per parameter)

Chemical parameters (55)

Chemical parameters – Versorgungszone 2 / WW Burgdorfer Holz
Parameter Value Parametric value Share of the parametric value Reference
1,2-dichloroethane < 0,0007 mg/l
below limit of quantification
3 µg/l
< 23 % *
Single value
2,6-Dichlorobenzamide (BAM) < 0,00005 mg/l
below limit of quantification
Single value
Acrylamide < 0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Single value
AMPA < 0,00007 mg/l
below limit of quantification
Single value
Arsenic < 0,0006 mg/l
below limit of quantification
10 µg/l
< 6 % *
Single value
Atrazine < 0,00003 mg/l
below limit of quantification
Single value
Bentazone < 0,00003 mg/l
below limit of quantification
Single value
Benzene < 0,0003 mg/l
below limit of quantification
1 µg/l
< 30 % *
Single value
Benzo(a)pyrene < 0,000002 mg/l
below limit of quantification
10 ng/l
< 20 % *
Single value
Bisphenol A < 0,0001 mg/l
below limit of quantification
2.5 µg/l
< 4 % *
Single value
Boron < 0,03 mg/l
below limit of quantification
1 mg/l
< 3 % *
Single value
Bromacil < 0,00003 mg/l
below limit of quantification
Single value
Bromate < 0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value
Cadmium < 0,0004 mg/l
below limit of quantification
3 µg/l
< 13 % *
Single value
Chlorate < 0,02 mg/l
below limit of quantification
70 µg/l
< 29 % *
Single value
Chloridazon < 0,00003 mg/l
below limit of quantification
Single value
Chlorite < 0,06 mg/l
below limit of quantification
0.2 mg/l
< 30 % *
Single value
Chlorotoluron < 0,00003 mg/l
below limit of quantification
Single value
Desethylatrazine < 0,00003 mg/l
below limit of quantification
Single value
Desethylterbuthylazine < 0,00003 mg/l
below limit of quantification
Single value
Desisopropylatrazine < 0,00003 mg/l
below limit of quantification
Single value
Dichlorprop < 0,00003 mg/l
below limit of quantification
Single value
Dimethachlor < 0,00005 mg/l
below limit of quantification
Single value
Dimethenamid < 0,00005 mg/l
below limit of quantification
Single value
Diuron < 0,00003 mg/l
below limit of quantification
Single value
Epichlorohydrin < 0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Single value
Ethidimuron < 0,00003 mg/l
below limit of quantification
Single value
Ethofumesate < 0,00003 mg/l
below limit of quantification
Single value
Flufenacet < 0,00005 mg/l
below limit of quantification
Single value
Fluoride 0,13 mg/l 1.5 mg/l
9 %
Single value
Glyphosate < 0,00003 mg/l
below limit of quantification
Single value
Isoproturon < 0,00003 mg/l
below limit of quantification
Single value
Lead < 0,0011 mg/l
below limit of quantification
10 µg/l
< 11 % *
Single value
MCPA < 0,00003 mg/l
below limit of quantification
Single value
Mecoprop < 0,00003 mg/l
below limit of quantification
Single value
Metalaxyl < 0,00005 mg/l
below limit of quantification
Single value
Metamitron < 0,00003 mg/l
below limit of quantification
Single value
Metazachlor < 0,00005 mg/l
below limit of quantification
Single value
Metolachlor < 0,00003 mg/l
below limit of quantification
Single value
Metoxuron < 0,00003 mg/l
below limit of quantification
Single value
Metribuzin < 0,00003 mg/l
below limit of quantification
Single value
Nickel < 0,001 mg/l
below limit of quantification
20 µg/l
< 5 % *
Single value
Nitrate 0,3 mg/l 50 mg/l
0.6 %
Single value
Nitrite < 0,01 mg/l
below limit of quantification
0.5 mg/l
< 2 % *
Single value
Oxadixyl < 0,00003 mg/l
below limit of quantification
Single value
Polycyclic aromatic hydrocarbons < 0,00001 mg/l
below limit of quantification
0.1 µg/l
< 10 % *
Single value
Selenium < 0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Single value
Simazine < 0,00003 mg/l
below limit of quantification
Single value
Tebuconazole < 0,00003 mg/l
below limit of quantification
Single value
Terbuthylazine < 0,00003 mg/l
below limit of quantification
Single value
Tetrachloroethene < 0,001 mg/l
below limit of quantification
Single value
Trichloroethene < 0,0009 mg/l
below limit of quantification
Single value
Trihalomethanes — Total < 0,001 mg/l
below limit of quantification
50 µg/l
< 2 % *
Single value
Uranium < 0,0001 mg/l
below limit of quantification
10 µg/l
< 1 % *
Single value
Vinyl chloride < 0,0003 mg/l
below limit of quantification
0.5 µg/l
< 60 % *
Single value

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

PFAS (20)

PFAS – Versorgungszone 2 / WW Burgdorfer Holz
Parameter Value Parametric value Share of the parametric value Reference
Perfluorobutane sulfonic acid (PFBS) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorobutanoic acid (PFBA) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorodecane sulfonic acid (PFDS) < 0,000005 mg/l
below limit of quantification
Single value
Perfluorodecanoic acid (PFDA) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorododecane sulfonic acid (PFDoDS) < 0,000005 mg/l
below limit of quantification
Single value
Perfluorododecanoic acid (PFDoDA) < 0,000005 mg/l
below limit of quantification
Single value
Perfluoroheptane sulfonic acid (PFHpS) < 0,000001 mg/l
below limit of quantification
Single value
Perfluoroheptanoic acid (PFHpA) 0,000002 mg/l Single value
Perfluorohexane sulfonic acid (PFHxS) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorohexanoic acid (PFHxA) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorononane sulfonic acid (PFNS) < 0,000005 mg/l
below limit of quantification
Single value
Perfluorononanoic acid (PFNA) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorooctanesulfonic acid (PFOS) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorooctanoic acid (PFOA) < 0,000001 mg/l
below limit of quantification
Single value
Perfluoropentanesulfonic acid (PFPeS) < 0,000001 mg/l
below limit of quantification
Single value
Perfluoropentanoic acid (PFPeA) < 0,000001 mg/l
below limit of quantification
Single value
Perfluorotridecanesulfonic acid (PFTrDS) < 0,000005 mg/l
below limit of quantification
Single value
Perfluorotridecanoic acid (PFTrDA) < 0,000005 mg/l
below limit of quantification
Single value
Perfluoroundecanesulfonic acid (PFUnDS) < 0,000005 mg/l
below limit of quantification
Single value
Perfluoroundecanoic acid (PFUnDA) < 0,000002 mg/l
below limit of quantification
Single value

Metabolites (2)

Metabolites – Versorgungszone 2 / WW Burgdorfer Holz
Parameter Value Parametric value Share of the parametric value Reference
Desphenyl-chloridazon 0,0002 mg/l Single value
Methyl-desphenyl-chloridazon < 0,00005 mg/l
below limit of quantification
Single value

Indicator parameters (11)

Indicator parameters – Versorgungszone 2 / WW Burgdorfer Holz
Parameter Value Parametric value Share of the parametric value Reference
Ammonium < 0,04 mg/l
below limit of quantification
0.5 mg/l
< 8 % *
Single value
Calcite dissolution capacity 4,7 mg/l 5 mg/l CaCO3 Single value
Chloride 39,2 mg/l 250 mg/l
16 %
Single value
Odour normal ohne für den Verbraucher annehmbar Single value
pH 7,47 ohne 6,5–9,5 Single value
Sodium 20,4 mg/l 200 mg/l
10 %
Single value
Sulphate 97,3 mg/l 250 mg/l
39 %
Single value
Taste normal ohne für den Verbraucher annehmbar Single value
Temperature 10,5 °C Single value
Total organic carbon (TOC) 1,5 mg/l ohne anormale Veränderung Single value
Turbidity 0,12 ohne 1 NTU Single value

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Further parameters (7)

Further parameters – Versorgungszone 2 / WW Burgdorfer Holz
Parameter Value Parametric value Share of the parametric value Reference
Acid capacity to pH 4.3 1,78 mmol/l Single value
Calcium 74,4 mg/l Single value
Magnesium 3,6 mg/l Single value
Oxygen 9,6 mg/l Single value
Potassium 1,7 mg/l Single value
Silicate / silicic acid 21,5 mg/l Single value
Total hardness 2,1 mmol/l Single value

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Source: https://wvp-online.de/vertragsbedingungen-formulare/120-versorgungszone-2 · Stand 12 / 2025 · Probenahmen 26.02.2025 (PFAS-Analyse Nr. 42373) und 12.06.2025 (Vollanalyse Nr. 43427) · retrieved on 11/07/2026

Postcodes in this zone: 31275

Versorgungszone 3, WW Wehnsen

Wasserverband Peine

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

Water hardness
15.7 °dH
Hardness range hart
Key values Versorgungszone 3, WW Wehnsen
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 4,1 mg/l 50 mg/l
8 %
Single value · 24.03.2025
Lead <0,0011 mg/l
below limit of quantification
10 µg/l
< 11 % *
Single value · 24.03.2025
Sulphate 154 mg/l 250 mg/l
62 %
Single value · 24.03.2025
Sodium 40,5 mg/l 200 mg/l
20 %
Single value · 24.03.2025

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Show all recorded parameters (96 — most recent value per parameter)

Chemical parameters (55)

Chemical parameters – Versorgungszone 3, WW Wehnsen
Parameter Value Parametric value Share of the parametric value Reference
1,2-dichloroethane <0,0007 mg/l
below limit of quantification
3 µg/l
< 23 % *
Single value · 24.03.2025
2,6-Dichlorobenzamide (BAM) 0,000057 mg/l Single value · 24.03.2025
Acrylamide <0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Single value · 24.03.2025
AMPA <0,00007 mg/l
below limit of quantification
Single value · 24.03.2025
Arsenic <0,0006 mg/l
below limit of quantification
10 µg/l
< 6 % *
Single value · 24.03.2025
Atrazine <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Bentazone 0,000034 mg/l Single value · 24.03.2025
Benzene <0,0003 mg/l
below limit of quantification
1 µg/l
< 30 % *
Single value · 24.03.2025
Benzo(a)pyrene <0,000002 mg/l
below limit of quantification
10 ng/l
< 20 % *
Single value · 24.03.2025
Bisphenol A <0,0001 mg/l
below limit of quantification
2.5 µg/l
< 4 % *
Single value · 24.03.2025
Boron 0,06 mg/l 1 mg/l
6 %
Single value · 24.03.2025
Bromacil <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Bromate <0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value · 24.03.2025
Cadmium <0,0004 mg/l
below limit of quantification
3 µg/l
< 13 % *
Single value · 24.03.2025
Chlorate <0,02 mg/l
below limit of quantification
70 µg/l
< 29 % *
Single value · 24.03.2025
Chloridazon <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Chlorite <0,06 mg/l
below limit of quantification
0.2 mg/l
< 30 % *
Single value · 24.03.2025
Chlorotoluron <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Desethylatrazine <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Desethylterbuthylazine <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Desisopropylatrazine <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Dichlorprop <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Dimethachlor <0,00005 mg/l
below limit of quantification
Single value · 24.03.2025
Dimethenamid <0,00005 mg/l
below limit of quantification
Single value · 24.03.2025
Diuron <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Epichlorohydrin <0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Single value · 24.03.2025
Ethidimuron <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Ethofumesate <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Flufenacet <0,00005 mg/l
below limit of quantification
Single value · 24.03.2025
Fluoride 0,15 mg/l 1.5 mg/l
10 %
Single value · 24.03.2025
Glyphosate <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Isoproturon <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Lead <0,0011 mg/l
below limit of quantification
10 µg/l
< 11 % *
Single value · 24.03.2025
MCPA <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Mecoprop <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Metalaxyl <0,00005 mg/l
below limit of quantification
Single value · 24.03.2025
Metamitron <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Metazachlor 0,000074 mg/l Single value · 24.03.2025
Metolachlor <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Metoxuron <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Metribuzin <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Nickel 0,0022 mg/l 20 µg/l
11 %
Single value · 24.03.2025
Nitrate 4,1 mg/l 50 mg/l
8 %
Single value · 24.03.2025
Nitrite <0,01 mg/l
below limit of quantification
0.5 mg/l
< 2 % *
Single value · 24.03.2025
Oxadixyl <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Polycyclic aromatic hydrocarbons <0,00001 mg/l
below limit of quantification
0.1 µg/l
< 10 % *
Single value · 24.03.2025
Selenium <0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Single value · 24.03.2025
Simazine <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Tebuconazole <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Terbuthylazine <0,00003 mg/l
below limit of quantification
Single value · 24.03.2025
Tetrachloroethene <0,001 mg/l
below limit of quantification
Single value · 24.03.2025
Trichloroethene <0,0009 mg/l
below limit of quantification
Single value · 24.03.2025
Trihalomethanes — Total <0,001 mg/l
below limit of quantification
50 µg/l
< 2 % *
Single value · 24.03.2025
Uranium 0,0008 mg/l 10 µg/l
8 %
Single value · 24.03.2025
Vinyl chloride <0,0003 mg/l
below limit of quantification
0.5 µg/l
< 60 % *
Single value · 24.03.2025

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

PFAS (20)

PFAS – Versorgungszone 3, WW Wehnsen
Parameter Value Parametric value Share of the parametric value Reference
Perfluorobutane sulfonic acid (PFBS) 0,000003 mg/l Single value · 26.02.2025
Perfluorobutanoic acid (PFBA) <0,000001 mg/l
below limit of quantification
Single value · 26.02.2025
Perfluorodecane sulfonic acid (PFDS) <0,000005 mg/l
below limit of quantification
Single value · 26.02.2025
Perfluorodecanoic acid (PFDA) <0,000001 mg/l
below limit of quantification
Single value · 26.02.2025
Perfluorododecane sulfonic acid (PFDoDS) <0,000005 mg/l
below limit of quantification
Single value · 26.02.2025
Perfluorododecanoic acid (PFDoDA) <0,000005 mg/l
below limit of quantification
Single value · 26.02.2025
Perfluoroheptane sulfonic acid (PFHpS) <0,000001 mg/l
below limit of quantification
Single value · 26.02.2025
Perfluoroheptanoic acid (PFHpA) 0,000002 mg/l Single value · 26.02.2025
Perfluorohexane sulfonic acid (PFHxS) 0,000007 mg/l Single value · 26.02.2025
Perfluorohexanoic acid (PFHxA) <0,000001 mg/l
below limit of quantification
Single value · 26.02.2025
Perfluorononane sulfonic acid (PFNS) <0,000005 mg/l
below limit of quantification
Single value · 26.02.2025
Perfluorononanoic acid (PFNA) <0,000001 mg/l
below limit of quantification
Single value · 26.02.2025
Perfluorooctanesulfonic acid (PFOS) 0,000001 mg/l Single value · 26.02.2025
Perfluorooctanoic acid (PFOA) 0,000003 mg/l Single value · 26.02.2025
Perfluoropentanesulfonic acid (PFPeS) 0,000002 mg/l Single value · 26.02.2025
Perfluoropentanoic acid (PFPeA) <0,000001 mg/l
below limit of quantification
Single value · 26.02.2025
Perfluorotridecanesulfonic acid (PFTrDS) <0,000005 mg/l
below limit of quantification
Single value · 26.02.2025
Perfluorotridecanoic acid (PFTrDA) <0,000005 mg/l
below limit of quantification
Single value · 26.02.2025
Perfluoroundecanesulfonic acid (PFUnDS) <0,000005 mg/l
below limit of quantification
Single value · 26.02.2025
Perfluoroundecanoic acid (PFUnDA) <0,000002 mg/l
below limit of quantification
Single value · 26.02.2025

Metabolites (2)

Metabolites – Versorgungszone 3, WW Wehnsen
Parameter Value Parametric value Share of the parametric value Reference
Desphenyl-chloridazon 0,0022 mg/l Single value · 24.03.2025
Methyl-desphenyl-chloridazon 0,00015 mg/l Single value · 24.03.2025

Indicator parameters (11)

Indicator parameters – Versorgungszone 3, WW Wehnsen
Parameter Value Parametric value Share of the parametric value Reference
Ammonium <0,04 mg/l
below limit of quantification
0.5 mg/l
< 8 % *
Single value · 24.03.2025
Calcite dissolution capacity -3,6 mg/l 5 mg/l CaCO3 Single value · 24.03.2025
Chloride 74,3 mg/l 250 mg/l
30 %
Single value · 24.03.2025
Odour normal ohne für den Verbraucher annehmbar Single value · 24.03.2025
pH 7,89 ohne 6,5–9,5 Single value · 24.03.2025
Sodium 40,5 mg/l 200 mg/l
20 %
Single value · 24.03.2025
Sulphate 154 mg/l 250 mg/l
62 %
Single value · 24.03.2025
Taste normal ohne für den Verbraucher annehmbar Single value · 24.03.2025
Temperature 10,5 °C Single value · 24.03.2025
Total organic carbon (TOC) 1,3 mg/l ohne anormale Veränderung Single value · 24.03.2025
Turbidity <0,1 ohne
below limit of quantification
1 NTU Single value · 24.03.2025

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Further parameters (8)

Further parameters – Versorgungszone 3, WW Wehnsen
Parameter Value Parametric value Share of the parametric value Reference
Acid capacity to pH 4.3 1,97 mmol/l Single value · 24.03.2025
Calcium 101 mg/l Single value · 24.03.2025
Hardness range (WRMG) hart [-] Single value
Magnesium 7,6 mg/l Single value · 24.03.2025
Oxygen 10,2 mg/l Single value · 24.03.2025
Potassium 3 mg/l Single value · 24.03.2025
Silicate / silicic acid 27,3 mg/l Single value · 24.03.2025
Total hardness 2,8 mmol/l Single value · 24.03.2025

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Source: https://wvp-online.de/vertragsbedingungen-formulare/121-versorgungszone-3 · Stand 12 / 2025 · retrieved on 11/07/2026

Postcodes in this zone: 31275

Versorgungszone 5 Ölsburg

Wasserverband Peine

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

Water hardness
3.4 °dH
Hardness range soft
Key values Versorgungszone 5 Ölsburg
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 7,3 mg/l 50 mg/l
15 %
Single value
Lead < 0,0011 mg/l
below limit of quantification
10 µg/l
< 11 % *
Single value
Sulphate 24 mg/l 250 mg/l
10 %
Single value
Sodium 7,6 mg/l 200 mg/l
4 %
Single value

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Show all recorded parameters (75 — most recent value per parameter)

Chemical parameters (55)

Chemical parameters – Versorgungszone 5 Ölsburg
Parameter Value Parametric value Share of the parametric value Reference
1,2-dichloroethane < 0,0007 mg/l
below limit of quantification
3 µg/l
< 23 % *
Single value
2,6-Dichlorobenzamide (BAM) < 0,00005 mg/l
below limit of quantification
Single value
Acrylamide < 0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Single value
AMPA < 0,00007 mg/l
below limit of quantification
Single value
Arsenic < 0,0006 mg/l
below limit of quantification
10 µg/l
< 6 % *
Single value
Atrazine < 0,00003 mg/l
below limit of quantification
Single value
Bentazone < 0,00003 mg/l
below limit of quantification
Single value
Benzene < 0,0003 mg/l
below limit of quantification
1 µg/l
< 30 % *
Single value
Benzo(a)pyrene < 0,000002 mg/l
below limit of quantification
10 ng/l
< 20 % *
Single value
Bisphenol A < 0,0001 mg/l
below limit of quantification
2.5 µg/l
< 4 % *
Single value
Boron < 0,03 mg/l
below limit of quantification
1 mg/l
< 3 % *
Single value
Bromacil < 0,00003 mg/l
below limit of quantification
Single value
Bromate < 0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value
Cadmium < 0,0004 mg/l
below limit of quantification
3 µg/l
< 13 % *
Single value
Chlorate < 0,02 mg/l
below limit of quantification
70 µg/l
< 29 % *
Single value
Chloridazon < 0,00003 mg/l
below limit of quantification
Single value
Chlorite < 0,06 mg/l
below limit of quantification
0.2 mg/l
< 30 % *
Single value
Chlorotoluron < 0,00003 mg/l
below limit of quantification
Single value
Desethylatrazine < 0,00003 mg/l
below limit of quantification
Single value
Desethylterbuthylazine < 0,00003 mg/l
below limit of quantification
Single value
Desisopropylatrazine < 0,00003 mg/l
below limit of quantification
Single value
Dichlorprop < 0,00003 mg/l
below limit of quantification
Single value
Dimethachlor < 0,00005 mg/l
below limit of quantification
Single value
Dimethenamid < 0,00005 mg/l
below limit of quantification
Single value
Diuron < 0,00003 mg/l
below limit of quantification
Single value
Epichlorohydrin < 0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Single value
Ethidimuron < 0,00003 mg/l
below limit of quantification
Single value
Ethofumesate < 0,00003 mg/l
below limit of quantification
Single value
Flufenacet < 0,00005 mg/l
below limit of quantification
Single value
Fluoride 0,03 mg/l 1.5 mg/l
2 %
Single value
Glyphosate < 0,00003 mg/l
below limit of quantification
Single value
Isoproturon < 0,00003 mg/l
below limit of quantification
Single value
Lead < 0,0011 mg/l
below limit of quantification
10 µg/l
< 11 % *
Single value
MCPA < 0,00003 mg/l
below limit of quantification
Single value
Mecoprop < 0,00003 mg/l
below limit of quantification
Single value
Metalaxyl < 0,00005 mg/l
below limit of quantification
Single value
Metamitron < 0,00003 mg/l
below limit of quantification
Single value
Metazachlor < 0,00005 mg/l
below limit of quantification
Single value
Metolachlor < 0,00003 mg/l
below limit of quantification
Single value
Metoxuron < 0,00003 mg/l
below limit of quantification
Single value
Metribuzin < 0,00003 mg/l
below limit of quantification
Single value
Nickel < 0,001 mg/l
below limit of quantification
20 µg/l
< 5 % *
Single value
Nitrate 7,3 mg/l 50 mg/l
15 %
Single value
Nitrite < 0,01 mg/l
below limit of quantification
0.5 mg/l
< 2 % *
Single value
Oxadixyl < 0,00003 mg/l
below limit of quantification
Single value
Polycyclic aromatic hydrocarbons < 0,00001 mg/l
below limit of quantification
0.1 µg/l
< 10 % *
Single value
Selenium < 0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Single value
Simazine < 0,00003 mg/l
below limit of quantification
Single value
Tebuconazole < 0,00003 mg/l
below limit of quantification
Single value
Terbuthylazine < 0,00003 mg/l
below limit of quantification
Single value
Tetrachloroethene < 0,001 mg/l
below limit of quantification
Single value
Trichloroethene < 0,0009 mg/l
below limit of quantification
Single value
Trihalomethanes — Total 0,0077 mg/l 50 µg/l
15 %
Single value
Uranium < 0,0001 mg/l
below limit of quantification
10 µg/l
< 1 % *
Single value
Vinyl chloride < 0,0003 mg/l
below limit of quantification
0.5 µg/l
< 60 % *
Single value

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Metabolites (2)

Metabolites – Versorgungszone 5 Ölsburg
Parameter Value Parametric value Share of the parametric value Reference
Desphenyl-chloridazon < 0,00005 mg/l
below limit of quantification
Single value
Methyl-desphenyl-chloridazon < 0,00005 mg/l
below limit of quantification
Single value

Indicator parameters (11)

Indicator parameters – Versorgungszone 5 Ölsburg
Parameter Value Parametric value Share of the parametric value Reference
Ammonium < 0,04 mg/l
below limit of quantification
0.5 mg/l
< 8 % *
Single value
Calcite dissolution capacity -7,1 mg/l 5 mg/l CaCO3 Single value
Chloride 9,3 mg/l 250 mg/l
4 %
Single value
Odour normal ohne für den Verbraucher annehmbar Single value
pH 9,27 ohne 6,5–9,5 Single value
Sodium 7,6 mg/l 200 mg/l
4 %
Single value
Sulphate 24 mg/l 250 mg/l
10 %
Single value
Taste normal ohne für den Verbraucher annehmbar Single value
Temperature 17,6 °C Single value
Total organic carbon (TOC) 1,5 mg/l ohne anormale Veränderung Single value
Turbidity 0,27 ohne 1 NTU Single value

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Further parameters (7)

Further parameters – Versorgungszone 5 Ölsburg
Parameter Value Parametric value Share of the parametric value Reference
Acid capacity to pH 4.3 0,83 mmol/l Single value
Calcium 20,8 mg/l Single value
Magnesium 3 mg/l Single value
Oxygen 9,2 mg/l Single value
Potassium 0,9 mg/l Single value
Silicate / silicic acid 5,9 mg/l Single value
Total hardness 0,6 mmol/l Single value

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Source: https://wvp-online.de/vertragsbedingungen-formulare/123-versorgungszone-5 · 12 / 2025 · Probenahme 30.09.2025 (Ölsburg, Grundschule Fröbelstr.) und 05.03.2025 (Nauen, Wasserkraftanlage Lutter - PFAS) · retrieved on 11/07/2026

Postcodes in this zone: 31275

WW Ramlingen / Reinwasser

Wasserverband Nordhannover (WVN)

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 31/12/2024. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.

Water hardness
6.4 °dH
Hardness range weich
Key values WW Ramlingen / Reinwasser
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 2,1 mg/l 50 mg/l
4 %
Mean
Lead <0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Mean
Escherichia coli (E. coli) 0 / 100 ml 0/100 ml Maximum · Median 0
Sulphate 86,1 mg/l 250 mg/l
34 %
Mean
Sodium 1,268 mmol/l 200 mg/l Mean

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Show all recorded parameters (64 — most recent value per parameter)

Microbiology (2)

Microbiology – WW Ramlingen / Reinwasser
Parameter Value Parametric value Share of the parametric value Reference
Escherichia coli (E. coli) 0 / 100 ml 0/100 ml Maximum · Median 0
Intestinal enterococci 0 / 100 ml 0/100 ml Maximum · Median 0

Chemical parameters (28)

Chemical parameters – WW Ramlingen / Reinwasser
Parameter Value Parametric value Share of the parametric value Reference
1,2-dichloroethane <0,0001 mg/l
below limit of quantification
3 µg/l
< 3 % *
Mean
2,6-Dichlorobenzamide (BAM) <0,000025 mg/l
below limit of quantification
Mean
Antimony <0,0005 mg/l
below limit of quantification
5 µg/l
< 10 % *
Mean
Arsenic <0,0005 mg/l
below limit of quantification
10 µg/l
< 5 % *
Mean
Benzene <0,0001 mg/l
below limit of quantification
1 µg/l
< 10 % *
Mean
Benzo(a)pyrene <0,00001 mg/l
below limit of quantification
10 ng/l
< 100 % *
Mean
Boron <0,05 mg/l
below limit of quantification
1 mg/l
< 5 % *
Mean
Bromate <0,01 mg/l
below limit of quantification
10 µg/l
< 100 % *
Mean
Cadmium <0,001 mg/l
below limit of quantification
3 µg/l
< 33 % *
Mean
Chlorite n.b. mg/l
not determined
0.2 mg/l Mean
Chromium <0,001 mg/l
below limit of quantification
25 µg/l
< 4 % *
Mean
Copper 0,0013 mg/l 2 mg/l
< 0.1 %
Mean
Cyanide <0,001 mg/l
below limit of quantification
50 µg/l
< 2 % *
Mean
Dimethachlor sulfonic acid <0,000025 mg/l
below limit of quantification
Mean
Fluoride 0,11 mg/l 1.5 mg/l
7 %
Mean
Lead <0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Mean
Mercury <0,0001 mg/l
below limit of quantification
1 µg/l
< 10 % *
Mean
Metazachlor acid <0,000025 mg/l
below limit of quantification
Mean
Metazachlor sulfonic acid <0,000025 mg/l
below limit of quantification
Mean
Metolachlor acid <0,000025 mg/l
below limit of quantification
Mean
Metolachlor sulfonic acid <0,000025 mg/l
below limit of quantification
Mean
Nickel <0,001 mg/l
below limit of quantification
20 µg/l
< 5 % *
Mean
Nitrate 2,1 mg/l 50 mg/l
4 %
Mean
Nitrite 0,003 mg/l 0.5 mg/l
0.6 %
Mean
Polycyclic aromatic hydrocarbons <0,0001 mg/l
below limit of quantification
0.1 µg/l
< 100 % *
Mean
Selenium <0,0005 mg/l
below limit of quantification
10 µg/l
< 5 % *
Mean
Tetrachloromethane <0,0001 mg/l
below limit of quantification
Mean
Uranium <0,0001 mg/l
below limit of quantification
10 µg/l
< 1 % *
Mean

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

PFAS (1)

PFAS – WW Ramlingen / Reinwasser
Parameter Value Parametric value Share of the parametric value Reference
Trifluoroacetic acid (TFA) 0,000449 mg/l 60 µg/l
UBA guide value
0.7 %
Mean

For trifluoroacetic acid (TFA), the German Drinking Water Ordinance does not specify a parametric value. The comparison is therefore made with the guide value of 60 µg/l issued by the Umweltbundesamt, which has replaced the earlier health-related guidance value of 3 µg/l. A guide value is not a legal maximum but a health-related classification.

Indicator parameters (19)

Indicator parameters – WW Ramlingen / Reinwasser
Parameter Value Parametric value Share of the parametric value Reference
Aluminium 0,002 mg/l 0.2 mg/l
1 %
Mean
Ammonium <0,03 mg/l
below limit of quantification
0.5 mg/l
< 6 % *
Mean
Calcite dissolution capacity -0,2 mg/l 5 mg/l CaCO3 Mean
Chloride 36,6 mg/l 250 mg/l
15 %
Mean
Clostridium perfringens (including spores) n.b. / 100 ml
not determined
0/100 ml Maximum · Median n.b.
Coliform bacteria 0 / 100 ml 0/100 ml Maximum · Median 0
Colony count 22 °C 4 /ml ohne anormale Veränderung Mean
Colony count 36 °C 0 /ml ohne anormale Veränderung Mean
Colour 0,17 /m 0.5 m⁻¹ Mean
Iron 0,005 mg/l 0.2 mg/l
3 %
Mean
Manganese <0,001 mg/l
below limit of quantification
50 µg/l
< 2 % *
Mean
pH 8,29 6,5–9,5 Mean
Sodium 1,268 mmol/l 200 mg/l Mean
Sulphate 86,1 mg/l 250 mg/l
34 %
Mean
Taste ohne für den Verbraucher annehmbar Mean
Temperature 10,9 °C Mean
Threshold odour number (TON) 1 Mean
Total organic carbon (TOC) 3,4 mg/l ohne anormale Veränderung Mean
Turbidity 0,04 FTU 1 NTU Mean

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Treatment substances (2)

Treatment substances – WW Ramlingen / Reinwasser
Parameter Value Parametric value Share of the parametric value Reference
Chlorine dioxide n.b. mg/l
not determined
Mean
Total chlorine n.b. mg/l
not determined
Mean

Further parameters (12)

Further parameters – WW Ramlingen / Reinwasser
Parameter Value Parametric value Share of the parametric value Reference
Barium 0,03 mg/l Mean
Calcium 0,971 mmol/l Mean
Carbonate hardness 3,2 °dH Mean
Hardness range (WRMG) weich Mean
Magnesium 0,181 mmol/l Mean
Oxygen 9,7 mg/l Mean
Phosphate <0,005 mg/l
below limit of quantification
Mean
Potassium 0,104 mmol/l Mean
Silicate / silicic acid 7,7 mg/l Mean
Sum of alkaline earth metals 1,153 mmol/l Mean
Total hardness 6,4 °dH Mean
Zinc 0,002 mg/l Mean

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Source: burgwedel-c3ee5b7e.pdf · Monatsanalysen 2024 · retrieved on 11/07/2026

Postcodes in this zone: 31275

WW Wettmar - Reinwasser Abgang Netz

Wasserverband Nordhannover (WVN)

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 28/11/2023. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.

Water hardness
13 °dH
Hardness range medium
Key values WW Wettmar - Reinwasser Abgang Netz
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 11 mg/l 50 mg/l
22 %
Single value
Lead <0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Single value
Sulphate 127 mg/l 250 mg/l
51 %
Single value
Sodium 17 mg/l 200 mg/l
9 %
Single value

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Show all recorded parameters (89 — most recent value per parameter)

Chemical parameters (58)

Chemical parameters – WW Wettmar - Reinwasser Abgang Netz
Parameter Value Parametric value Share of the parametric value Reference
1,2-dichloroethane <0,5 µg/l
below limit of quantification
3 µg/l
< 17 % *
Single value
2,6-Dichlorobenzamide (BAM) <0,000050 mg/l
below limit of quantification
Single value
AMPA <0,000020 mg/l
below limit of quantification
Single value
Antimony <0,001 mg/l
below limit of quantification
5 µg/l
< 20 % *
Single value
Arsenic <0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Single value
Atrazine <0,000010 mg/l
below limit of quantification
Single value
Bentazone <0,000010 mg/l
below limit of quantification
Single value
Benzene <0,3 µg/l
below limit of quantification
1 µg/l
< 30 % *
Single value
Benzo(a)pyrene <0,0030 µg/l
below limit of quantification
10 ng/l
< 30 % *
Single value
Benzo(b)fluoranthene <0,030 µg/l
below limit of quantification
Single value
Benzo(ghi)perylene <0,030 µg/l
below limit of quantification
Single value
Benzo(k)fluoranthene <0,030 µg/l
below limit of quantification
Single value
Boron <0,10 mg/l
below limit of quantification
1 mg/l
< 10 % *
Single value
Bromacil <0,000020 mg/l
below limit of quantification
Single value
Bromate <0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value
Bromodichloromethane <0,5 µg/l
below limit of quantification
Single value
Cadmium <0,0003 mg/l
below limit of quantification
3 µg/l
< 10 % *
Single value
Chlorotoluron <0,000020 mg/l
below limit of quantification
Single value
Chromium 0,0013 mg/l 25 µg/l
5 %
Single value
Copper <0,010 mg/l
below limit of quantification
2 mg/l
< 0.5 % *
Single value
Cyanide <0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value
Desethylatrazine <0,000020 mg/l
below limit of quantification
Single value
Desethylterbuthylazine <0,000025 mg/l
below limit of quantification
Single value
Desisopropylatrazine <0,000025 mg/l
below limit of quantification
Single value
Dibromochloromethane <0,5 µg/l
below limit of quantification
Single value
Dichlorprop <0,000020 mg/l
below limit of quantification
Single value
Dimethachlor <0,000050 mg/l
below limit of quantification
Single value
Diuron <0,000020 mg/l
below limit of quantification
Single value
Ethidimuron <0,000050 mg/l
below limit of quantification
Single value
Ethofumesate <0,000050 mg/l
below limit of quantification
Single value
Fluoride <0,10 mg/l
below limit of quantification
1.5 mg/l
< 7 % *
Single value
Glyphosate <0,000020 mg/l
below limit of quantification
Single value
Indeno(1,2,3-cd)pyrene <0,030 µg/l
below limit of quantification
Single value
Isoproturon <0,000020 mg/l
below limit of quantification
Single value
Lead <0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Single value
Mecoprop <0,000010 mg/l
below limit of quantification
Single value
Mercury <0,0003 mg/l
below limit of quantification
1 µg/l
< 30 % *
Single value
Metalaxyl <0,000020 mg/l
below limit of quantification
Single value
Metamitron <0,000060 mg/l
below limit of quantification
Single value
Metazachlor <0,000020 mg/l
below limit of quantification
Single value
Metazachlor acid 0,000097 mg/l Single value
Metolachlor <0,000010 mg/l
below limit of quantification
Single value
Metolachlor acid 0,000023 mg/l Single value
Metolachlor sulfonic acid 0,000071 mg/l Single value
Metoxuron <0,000040 mg/l
below limit of quantification
Single value
Metribuzin <0,000020 mg/l
below limit of quantification
Single value
Nickel 0,002 mg/l 20 µg/l
10 %
Single value
Nitrate 11 mg/l 50 mg/l
22 %
Single value
Nitrite <0,01 mg/l
below limit of quantification
0.5 mg/l
< 2 % *
Single value
Oxadixyl <0,000050 mg/l
below limit of quantification
Single value
Selenium <0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Single value
Simazine <0,000010 mg/l
below limit of quantification
Single value
Terbuthylazine <0,000010 mg/l
below limit of quantification
Single value
Tetrachloroethene <0,5 µg/l
below limit of quantification
Single value
Tribromomethane (bromoform) <0,5 µg/l
below limit of quantification
Single value
Trichloroethene <0,5 µg/l
below limit of quantification
Single value
Trichloromethane (chloroform) <0,5 µg/l
below limit of quantification
Single value
Uranium <0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Single value

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

PFAS (1)

PFAS – WW Wettmar - Reinwasser Abgang Netz
Parameter Value Parametric value Share of the parametric value Reference
Trifluoroacetic acid (TFA) 0,0011 mg/l 60 µg/l
UBA guide value
2 %
Single value

For trifluoroacetic acid (TFA), the German Drinking Water Ordinance does not specify a parametric value. The comparison is therefore made with the guide value of 60 µg/l issued by the Umweltbundesamt, which has replaced the earlier health-related guidance value of 3 µg/l. A guide value is not a legal maximum but a health-related classification.

Metabolites (4)

Metabolites – WW Wettmar - Reinwasser Abgang Netz
Parameter Value Parametric value Share of the parametric value Reference
1H-1,2,4-Triazole <0,000050 mg/l
below limit of quantification
Single value
Desphenyl-chloridazon 0,00095 mg/l Single value
Dimethylsulfamide (DMS) <0,000050 mg/l
below limit of quantification
Single value
Methyl-desphenyl-chloridazon 0,000053 mg/l Single value

Indicator parameters (16)

Indicator parameters – WW Wettmar - Reinwasser Abgang Netz
Parameter Value Parametric value Share of the parametric value Reference
Aluminium 0,015 mg/l 0.2 mg/l
8 %
Single value
Ammonium <0,05 mg/l
below limit of quantification
0.5 mg/l
< 10 % *
Single value
Calcite dissolution capacity -2,2 mg/l 5 mg/l CaCO3 Single value
Chloride 41 mg/l 250 mg/l
16 %
Single value
Colour farblos
Unit not stated in the document
0.5 m⁻¹ Single value
Conductivity (25 °C) 617 µS/cm 2,790 µS/cm Single value
Iron 0,012 mg/l 0.2 mg/l
6 %
Single value
Manganese <0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value
Odour ohne für den Verbraucher annehmbar Single value
pH 8,12 6,5–9,5 Single value
Sodium 17 mg/l 200 mg/l
9 %
Single value
Sulphate 127 mg/l 250 mg/l
51 %
Single value
Taste ohne für den Verbraucher annehmbar Single value
Temperature 10,8 °C Single value
Total organic carbon (TOC) 1,8 mg/l ohne anormale Veränderung Single value
Turbidity klar
Unit not stated in the document
1 NTU Single value

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Further parameters (10)

Further parameters – WW Wettmar - Reinwasser Abgang Netz
Parameter Value Parametric value Share of the parametric value Reference
Acid capacity to pH 4.3 1,75 mmol/l Single value
Acid capacity to pH 8.2 - mmol/l
not determined
Single value
Base capacity to pH 8.2 <0,05 mmol/l
below limit of quantification
Single value
Calcium 8,4 °dH Single value
Carbonate hardness 4,9 °dH Single value
Hydrogen carbonate <2,2 mg/l
below limit of quantification
Single value
Magnesium 20 mg/l Single value
Potassium 7 mg/l Single value
Saturation index 0,19 1 Single value
Total hardness 13,0 °dH Single value

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Source: https://www.wvn.de/files/Chemie_2024_WWW.pdf · 12.01.2024 · Entnahmedatum 28.11.2023 · retrieved on 11/07/2026

Postcodes in this zone: 31275

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
11.8 °dH
Hardness range medium

No core values are available for this zone yet.

Show all recorded parameters (1 — most recent value per parameter)

Further parameters (1)

Further parameters – Abbensen
Parameter Value Parametric value Share of the parametric value Reference
Total hardness 2,1 mmol/l Single value · Abbensen

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Postcodes in this zone: 31275

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
3.4 °dH
Hardness range soft

No core values are available for this zone yet.

Show all recorded parameters (1 — most recent value per parameter)

Further parameters (1)

Further parameters – Adenstedt
Parameter Value Parametric value Share of the parametric value Reference
Total hardness 0,6 mmol/l Single value · Adenstedt

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Postcodes in this zone: 31275

Frequently asked questions about drinking water in Lehrte

How hard is the water in Lehrte?
Wasserverband Nordhannover (WVN) publishes a total hardness of 2,1 mmol/l for the supply zone burgwedel gesamt — that corresponds to 11.8 °dH. The hardness range is a classification under the German Detergents and Cleaning Products Act (soft below 8,4 °dH, medium 8,4 to 14 °dH, hard above that) and not a quality verdict — it indicates how much calcium and magnesium is dissolved in the water. Basis: Februar 2026, retrieved on 11/07/2026.
How much nitrate is in the drinking water in Lehrte?
Wasserverband Nordhannover (WVN) publishes a nitrate value of 2,2 mg/l for the supply zone burgwedel gesamt. The statutory parametric value is 50 mg/l; the measured value represents 4 % of the parametric value. Basis: Februar 2026, retrieved on 11/07/2026.
Who supplies the drinking water in Lehrte?
Wasserverband Nordhannover (WVN). The values shown here come from the supply zone burgwedel gesamt and apply to the water the supplier delivers. What happens between the building connection and the tap — in old lead pipes, for example — is not covered by these analyses; information on that is provided by owners, the health authority or an examination by an accredited laboratory.

General questions — how current the data is, limit of quantification, parametric values, who is behind this site — are answered under Questions & answers.