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Drinking water in 66806

One supply zone, water supplier: Technische Werke der Gemeinde Ensdorf GmbH (TWE).

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 °dH
Hardness range 2,01
Key values ensdorf-saar gesamt
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 18,3 mg/l 50 mg/l
37 %
Single value
Lead < 0,30 µg/l
below limit of quantification
10 µg/l
< 3 % *
Single value
Sulphate 38,8 mg/l 250 mg/l
16 %
Single value
Sodium 11,3 mg/l 200 mg/l
6 %
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 (25 — most recent value per parameter)

Chemical parameters (11)

Chemical parameters – ensdorf-saar gesamt
Parameter Value Parametric value Share of the parametric value Reference
Arsenic < 0,6 µg/l
below limit of quantification
10 µg/l
< 6 % *
Single value
Cadmium 0,30 µg/l 3 µg/l
10 %
Single value
Chromium < 0,3 µg/l
below limit of quantification
25 µg/l
< 1 % *
Single value
Cyanide < 0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value
Fluoride 0,13 mg/l 1.5 mg/l
9 %
Single value
Lead < 0,30 µg/l
below limit of quantification
10 µg/l
< 3 % *
Single value
Mercury < 0,10 µg/l
below limit of quantification
1 µg/l
< 10 % *
Single value
Nickel 1,6 µg/l 20 µg/l
8 %
Single value
Nitrate 18,3 mg/l 50 mg/l
37 %
Single value
Nitrite < 0,005 mg/l
below limit of quantification
0.5 mg/l
< 1 % *
Single value
Pesticides 0,02 µg/l 0.1 µg/l
20 %
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 (8)

Indicator parameters – ensdorf-saar gesamt
Parameter Value Parametric value Share of the parametric value Reference
Aluminium < 0,010 mg/l
below limit of quantification
0.2 mg/l
< 5 % *
Single value
Chloride 22,3 mg/l 250 mg/l
9 %
Single value
Conductivity (25 °C) 471 µS/cm 2,790 µS/cm Single value
Iron 0,007 mg/l 0.2 mg/l
3 %
Single value
Manganese < 0,002 mg/l
below limit of quantification
50 µg/l
< 4 % *
Single value
pH 7,84 6,5–9,5 Single value
Sodium 11,3 mg/l 200 mg/l
6 %
Single value
Sulphate 38,8 mg/l 250 mg/l
16 %
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 – ensdorf-saar gesamt
Parameter Value Parametric value Share of the parametric value Reference
Acid capacity to pH 4.3 3,05 mmol/l Single value
Calcium 51,4 mg/l Single value
Hardness range (WRMG) 2,01 mmol/l Single value
Magnesium 17,7 mg/l Single value
Potassium 5,2 mg/l Single value
Total hardness 11,0 °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.twe-ensdorf.de/fileadmin/user_upload/Trinkwasseranalyse_TWE_September_2025.pdf · Stand September 2025 · retrieved on 11/07/2026

Frequent questions about postcode 66806

How hard is the water in Postcode 66806?
Technische Werke der Gemeinde Ensdorf GmbH (TWE) publishes a total hardness of 11 °dH for the supply zone ensdorf-saar gesamt (hardness range 2,01). 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: Stand September 2025, retrieved on 11/07/2026.
How much nitrate is in the drinking water in Postcode 66806?
Technische Werke der Gemeinde Ensdorf GmbH (TWE) publishes a nitrate value of 18,3 mg/l for the supply zone ensdorf-saar gesamt. The statutory parametric value is 50 mg/l; the measured value represents 37 % of the parametric value. Basis: Stand September 2025, retrieved on 11/07/2026.
Who supplies the drinking water in Postcode 66806?
Technische Werke der Gemeinde Ensdorf GmbH (TWE). The values shown here come from the supply zone ensdorf-saar 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.