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Drinking water in 69168

One supply zone, water supplier: Stadtwerke Wiesloch.

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.

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
21,84 °dGH
Hardness range "hart"
Key values Wiesloch
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 0,83 mg/l 50 mg/l
2 %
Single value
Sulphate 114,67 mg/l 250 mg/l
46 %
Single value
Sodium 8,40 mg/l 200 mg/l
4 %
Single value
Show all recorded parameters (32 — most recent value per parameter)

Microbiology (1)

Microbiology – Wiesloch
Parameter Value Parametric value Share of the parametric value Reference
Intestinal enterococci 0 KBE/100 ml 0/100 ml Single value

Chemical parameters (11)

Chemical parameters – Wiesloch
Parameter Value Parametric value Share of the parametric value Reference
1,2-dichloroethane <0,0002 mg/l
below limit of quantification
3 µg/l
< 7 % *
Single value
Benzene <0,0002 mg/l
below limit of quantification
1 µg/l
< 20 % *
Single value
Boron <0,02 mg/l
below limit of quantification
1 mg/l
< 2 % *
Single value
Bromate <0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Single value
Chromium <0,001 mg/l
below limit of quantification
25 µg/l
< 4 % *
Single value
Cyanide <0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value
Fluoride 0,24 mg/l 1.5 mg/l
16 %
Single value
Mercury <0,0001 mg/l
below limit of quantification
1 µg/l
< 10 % *
Single value
Nitrate 0,83 mg/l 50 mg/l
2 %
Single value
Selenium <0,001 mg/l
below limit of quantification
10 µg/l
< 10 % *
Single value
Tetrachloroethene and Trichloroethene (sum) <0,0002 mg/l
below limit of quantification
10 µg/l
< 2 % *
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 (14)

Indicator parameters – Wiesloch
Parameter Value Parametric value Share of the parametric value Reference
Aluminium <0,02 mg/l
below limit of quantification
0.2 mg/l
< 10 % *
Single value
Ammonium <0,01 mg/l
below limit of quantification
0.5 mg/l
< 2 % *
Single value
Chloride 10,84 mg/l 250 mg/l
4 %
Single value
Coliform bacteria 0 KBE/100 ml 0/100 ml Single value
Colour <0,1 1/m
below limit of quantification
0.5 m⁻¹ Single value
Iron 0,02 mg/l 0.2 mg/l
10 %
Single value
Manganese <0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value
Odour geruchlos qualitativ für den Verbraucher annehmbar Single value
pH 7,22 6,5–9,5 Single value
Sodium 8,40 mg/l 200 mg/l
4 %
Single value
Sulphate 114,67 mg/l 250 mg/l
46 %
Single value
Taste ohne Besonderheit qualitativ für den Verbraucher annehmbar Single value
Temperature 13,0 ° C Single value
Turbidity 0,29 NTU 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 (6)

Further parameters – Wiesloch
Parameter Value Parametric value Share of the parametric value Reference
Calcium 116,29 mg/l Single value
Hardness range (WRMG) "hart" Single value
Magnesium 24,17 mg/l Single value
Oxygen 10,71 mg/l Single value
Potassium 1,63 mg/l Single value
Total hardness 21,84 °dGH 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.

Frequent questions about postcode 69168

How hard is the water in Postcode 69168?
Stadtwerke Wiesloch publishes the hardness range "hart" for the supply zone Wiesloch. 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: Publication by the water supplier, retrieved on 11/07/2026.
How much nitrate is in the drinking water in Postcode 69168?
Stadtwerke Wiesloch publishes a nitrate value of 0,83 mg/l for the supply zone Wiesloch. The statutory parametric value is 50 mg/l; the measured value represents 2 % of the parametric value. Basis: Publication by the water supplier, retrieved on 11/07/2026.
Who supplies the drinking water in Postcode 69168?
Stadtwerke Wiesloch. The values shown here come from the supply zone Wiesloch 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.