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Drinking water in 66793

One supply zone, water supplier: Wasserwerk Saarwellingen GmbH (WWS).

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.

Key values Saarwellingen
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 29,9 mg/l 50 mg/l
60 %
Single value · Saarwellingen
Escherichia coli (E. coli) 0 KbE/100 ml 0/100 ml Single value · Saarwellingen
Sulphate 18,7 mg/l 250 mg/l
7 %
Single value · Saarwellingen
Sodium 4,6 mg/l 200 mg/l
2 %
Single value · Saarwellingen
Show all recorded parameters (17 — most recent value per parameter)

Microbiology (1)

Microbiology – Saarwellingen
Parameter Value Parametric value Share of the parametric value Reference
Escherichia coli (E. coli) 0 KbE/100 ml 0/100 ml Single value · Saarwellingen

Chemical parameters (5)

Chemical parameters – Saarwellingen
Parameter Value Parametric value Share of the parametric value Reference
Mercury <0,1 µg/l
below limit of quantification
1 µg/l
< 10 % *
Single value · Saarwellingen
Nitrate 29,9 mg/l 50 mg/l
60 %
Single value · Saarwellingen
Nitrite <0,005 mg/l
below limit of quantification
0.5 mg/l
< 1 % *
Single value · Saarwellingen
Selenium <0,6 µg/l
below limit of quantification
10 µg/l
< 6 % *
Single value · Saarwellingen
Uranium 1 µg/l 10 µg/l
10 %
Single value · Saarwellingen

* 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 (8)

Indicator parameters – Saarwellingen
Parameter Value Parametric value Share of the parametric value Reference
Aluminium <0,005 mg/l
below limit of quantification
0.2 mg/l
< 3 % *
Single value · Saarwellingen
Chloride 19,3 mg/l 250 mg/l
8 %
Single value · Saarwellingen
Coliform bacteria 0 KbE/100 ml 0/100 ml Single value · Saarwellingen
Conductivity (25 °C) 470 µS/cm 2,790 µS/cm Single value · Saarwellingen
Iron 0,009 mg/l 0.2 mg/l
5 %
Single value · Saarwellingen
Manganese <0,002 mg/l
below limit of quantification
50 µg/l
< 4 % *
Single value · Saarwellingen
Sodium 4,6 mg/l 200 mg/l
2 %
Single value · Saarwellingen
Sulphate 18,7 mg/l 250 mg/l
7 %
Single value · Saarwellingen

* 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 – Saarwellingen
Parameter Value Parametric value Share of the parametric value Reference
Acid capacity to pH 4.3 2,64 mmol/l Single value · Saarwellingen
Magnesium 18,1 mg/l Single value · Saarwellingen
Potassium 2,6 mg/l Single value · Saarwellingen

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.tws-saarwellingen.de/fileadmin/user_upload/TW-Saarwellingen/Wasser/2023_Analyse.pdf · Stand:Sw 05/23 Rb: 09/22 SHZ: 04/22 · retrieved on 11/07/2026

Frequent questions about postcode 66793

How much nitrate is in the drinking water in Postcode 66793?
Wasserwerk Saarwellingen GmbH (WWS) publishes a nitrate value of 29,9 mg/l for the supply zone Saarwellingen. The statutory parametric value is 50 mg/l; the measured value represents 60 % of the parametric value. Basis: Stand:Sw 05/23 Rb: 09/22 SHZ: 04/22, retrieved on 11/07/2026.
Who supplies the drinking water in Postcode 66793?
Wasserwerk Saarwellingen GmbH (WWS). The values shown here come from the supply zone Saarwellingen 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.