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Drinking water in Coppenbrügge

One supply zone, water supplier: Flecken Coppenbrügge.

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.

Bäntorf, Coppenbrügge, Marienau mit Voldagsen

Flecken Coppenbrügge

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

Key values Bäntorf, Coppenbrügge, Marienau mit Voldagsen
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 31 mg/l 50 mg/l
62 %
Single value
Lead <0.0015 mg/l
below limit of quantification
10 µg/l
< 15 % *
Single value
Sulphate 88 mg/l 250 mg/l
35 %
Single value
Sodium 27,6 mg/l 200 mg/l
14 %
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 (39 — most recent value per parameter)

Chemical parameters (26)

Chemical parameters – Bäntorf, Coppenbrügge, Marienau mit Voldagsen
Parameter Value Parametric value Share of the parametric value Reference
1,2-dichloroethane <0.0009 mg/l
below limit of quantification
3 µg/l
< 30 % *
Single value
Antimony <0.0015 mg/l
below limit of quantification
5 µg/l
< 30 % *
Single value
Benzene <0.00030 mg/l
below limit of quantification
1 µg/l
< 30 % *
Single value
Benzo(a)pyrene <0.000003 mg/l
below limit of quantification
10 ng/l
< 30 % *
Single value
Benzo(b)fluoranthene <0.00002 mg/l
below limit of quantification
Single value
Benzo(k)fluoranthene <0.00002 mg/l
below limit of quantification
Single value
Boron <0.1 mg/l
below limit of quantification
1 mg/l
< 10 % *
Single value
Bromate <0.003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value
Bromodichloromethane <0.0005 mg/l
below limit of quantification
Single value
Cadmium <0.0010 mg/l
below limit of quantification
3 µg/l
< 33 % *
Single value
Chromium <0.0005 mg/l
below limit of quantification
25 µg/l
< 2 % *
Single value
Copper 0,017 mg/l 2 mg/l
0.9 %
Single value
Cyanide <0.005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value
Dibromochloromethane <0.0005 mg/l
below limit of quantification
Single value
Fluoride <0.45 mg/l
below limit of quantification
1.5 mg/l
< 30 % *
Single value
Lead <0.0015 mg/l
below limit of quantification
10 µg/l
< 15 % *
Single value
Mercury <0.0003 mg/l
below limit of quantification
1 µg/l
< 30 % *
Single value
Nickel <0.005 mg/l
below limit of quantification
20 µg/l
< 25 % *
Single value
Nitrate 31 mg/l 50 mg/l
62 %
Single value
Nitrite <0.01 mg/l
below limit of quantification
0.5 mg/l
< 2 % *
Single value
Polycyclic aromatic hydrocarbons <0.00003 mg/l
below limit of quantification
0.1 µg/l
< 30 % *
Single value
Selenium <0.003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value
Tribromomethane (bromoform) <0.0005 mg/l
below limit of quantification
Single value
Trichloroethene <0.0005 mg/l
below limit of quantification
Single value
Trichloromethane (chloroform) <0.0005 mg/l
below limit of quantification
Single value
Uranium <0.003 mg/l
below limit of quantification
10 µg/l
< 30 % *
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.

Indicator parameters (10)

Indicator parameters – Bäntorf, Coppenbrügge, Marienau mit Voldagsen
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
Chloride 60 mg/l 250 mg/l
24 %
Single value
Colour < 0.100 1/m
below limit of quantification
0.5 m⁻¹ Single value
Conductivity (25 °C) 943 µS/cm 2,790 µS/cm Single value
Iron <0.05 mg/l
below limit of quantification
0.2 mg/l
< 25 % *
Single value
Manganese <0.015 mg/l
below limit of quantification
50 µg/l
< 30 % *
Single value
Sodium 27,6 mg/l 200 mg/l
14 %
Single value
Sulphate 88 mg/l 250 mg/l
35 %
Single value
Total organic carbon (TOC) 2,35 mg/l ohne anormale Veränderung Single value
Turbidity 0,08 FNU 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 (3)

Further parameters – Bäntorf, Coppenbrügge, Marienau mit Voldagsen
Parameter Value Parametric value Share of the parametric value Reference
Acid capacity to pH 4.3 6 mmol/l Single value
Calcium 136 mg/l Single value
Magnesium 21,3 mg/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.

Postcodes in this zone: 31863

Frequently asked questions about drinking water in Coppenbrügge

How much nitrate is in the drinking water in Coppenbrügge?
Flecken Coppenbrügge publishes a nitrate value of 31 mg/l for the supply zone Bäntorf, Coppenbrügge, Marienau mit Voldagsen. The statutory parametric value is 50 mg/l; the measured value represents 62 % of the parametric value. Basis: Publication by the water supplier, retrieved on 13/07/2026.
Who supplies the drinking water in Coppenbrügge?
Flecken Coppenbrügge. The values shown here come from the supply zone Bäntorf, Coppenbrügge, Marienau mit Voldagsen 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.