Drinking water in 66763
For this postcode Stadtwerke Dillingen/Saar GmbH (SWD) publishes several supply zones. Which of them serves an individual address is not published — below are the values of the zone with the most documented parameters, the remaining 1 underneath.
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.
Wasserwerk Heiligenberg
Stadtwerke Dillingen/Saar GmbH (SWD)Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
Water hardness
9.5 °dH
Hardness range mittel
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Nitrate | 23,1 mg/l | 50 mg/l | 46 % | Mean |
| Lead | nicht nachweisbar mg/l not detectable | 10 µg/l | — | Mean |
| Escherichia coli (E. coli) | 0 /100 ml | 0/100 ml | — | Mean |
| Sulphate | 73,6 mg/l | 250 mg/l | 29 % | Mean |
| Sodium | 8,1 mg/l | 200 mg/l | 4 % | Mean |
Show all recorded parameters (43 — most recent value per parameter)
Microbiology (2)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Escherichia coli (E. coli) | 0 /100 ml | 0/100 ml | — | Mean |
| Intestinal enterococci | 0 /100 ml | 0/100 ml | — | Mean |
Chemical parameters (17)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Antimony | nicht nachweisbar mg/l not detectable | 5 µg/l | — | Mean |
| Arsenic | nicht nachweisbar mg/l not detectable | 10 µg/l | — | Mean |
| Benzo(a)pyrene | nicht nachweisbar mg/l not detectable | 10 ng/l | — | Mean |
| Boron | nicht nachweisbar mg/l not detectable | 1 mg/l | — | Mean |
| Bromate | nicht nachweisbar mg/l not detectable | 10 µg/l | — | Mean |
| Cadmium | nicht nachweisbar mg/l not detectable | 3 µg/l | — | Mean |
| Chromium | nicht nachweisbar mg/l not detectable | 25 µg/l | — | Mean |
| Copper | nicht nachweisbar mg/l not detectable | 2 mg/l | — | Mean |
| Cyanide | nicht nachweisbar mg/l not detectable | 50 µg/l | — | Mean |
| Fluoride | 0,06 mg/l | 1.5 mg/l | 4 % | Mean |
| Lead | nicht nachweisbar mg/l not detectable | 10 µg/l | — | Mean |
| Mercury | nicht nachweisbar mg/l not detectable | 1 µg/l | — | Mean |
| Nickel | nicht nachweisbar mg/l not detectable | 20 µg/l | — | Mean |
| Nitrate | 23,1 mg/l | 50 mg/l | 46 % | Mean |
| Nitrite | nicht nachweisbar mg/l not detectable | 0.5 mg/l | — | Mean |
| Selenium | 0,0009 mg/l | 10 µg/l | 9 % | Mean |
| Uranium | nicht nachweisbar mg/l not detectable | 10 µg/l | — | Mean |
Indicator parameters (15)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aluminium | nicht nachweisbar mg/l not detectable | 0.2 mg/l | — | Mean |
| Ammonium | nicht nachweisbar mg/l not detectable | 0.5 mg/l | — | Mean |
| Calcite dissolution capacity | 2,7 mg/l | 5 mg/l CaCO3 | — | Mean |
| Chloride | 21,4 mg/l | 250 mg/l | 9 % | Mean |
| Coliform bacteria | 0 /100 ml | 0/100 ml | — | Mean |
| Colony count 22 °C | 0 /100 ml | ohne anormale Veränderung | — | Mean |
| Colony count 36 °C | 0 /100 ml | ohne anormale Veränderung | — | Mean |
| Colour | 0 m-1 | 0.5 m⁻¹ | — | Mean |
| Iron | nicht nachweisbar mg/l not detectable | 0.2 mg/l | — | Mean |
| Manganese | 0,006 mg/l | 50 µg/l | 12 % | Mean |
| Sodium | 8,1 mg/l | 200 mg/l | 4 % | Mean |
| Sulphate | 73,6 mg/l | 250 mg/l | 29 % | Mean |
| Temperature | 11,00 °C | — | — | Mean |
| Total organic carbon (TOC) | 0,4 mg/l | ohne anormale Veränderung | — | Mean |
| Turbidity | 0,34 NTU | 1 NTU | — | Mean |
Further parameters (9)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Acid capacity to pH 4.3 | 1,21 mmol/l | — | — | Mean |
| Base capacity to pH 8.2 | 0,03 mmol/l | — | — | Mean |
| Calcium | 42,7 mg/l | — | — | Mean |
| Hardness range (WRMG) | mittel - | — | — | Mean |
| Magnesium | 15,1 mg/l | — | — | Mean |
| Oxygen | 10,53 mg/l | — | — | Mean |
| Phosphate | 0,308 mg/l | — | — | Mean |
| Potassium | 4,1 mg/l | — | — | Mean |
| Total hardness | 9,5 °dH | — | — | 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: dillingen-saar-f37586d8.pdf · 2025 · retrieved on 11/07/2026
Show 1 more supply zone in this postcode
Diefflen
Stadtwerke Dillingen/Saar GmbH (SWD)Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
Water hardness
7.4 °dH
Hardness range weich
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Nitrate | 8,6 mg/l | 50 mg/l | 17 % | Mean |
| Lead | nicht nachweisbar mg/l not detectable | 10 µg/l | — | Mean |
| Escherichia coli (E. coli) | 0 /100 ml | 0/100 ml | — | Mean |
| Sulphate | 5,2 mg/l | 250 mg/l | 2 % | Mean |
| Sodium | 9,1 mg/l | 200 mg/l | 5 % | Mean |
Show all recorded parameters (42 — most recent value per parameter)
Microbiology (1)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Escherichia coli (E. coli) | 0 /100 ml | 0/100 ml | — | Mean |
Chemical parameters (17)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Antimony | nicht nachweisbar mg/l not detectable | 5 µg/l | — | Mean |
| Arsenic | nicht nachweisbar mg/l not detectable | 10 µg/l | — | Mean |
| Benzo(a)pyrene | nicht nachweisbar mg/l not detectable | 10 ng/l | — | Mean |
| Boron | nicht nachweisbar mg/l not detectable | 1 mg/l | — | Mean |
| Bromate | nicht nachweisbar mg/l not detectable | 10 µg/l | — | Mean |
| Cadmium | nicht nachweisbar mg/l not detectable | 3 µg/l | — | Mean |
| Chromium | nicht nachweisbar mg/l not detectable | 25 µg/l | — | Mean |
| Copper | nicht nachweisbar mg/l not detectable | 2 mg/l | — | Mean |
| Cyanide | nicht nachweisbar mg/l not detectable | 50 µg/l | — | Mean |
| Fluoride | 0,1 mg/l | 1.5 mg/l | 7 % | Mean |
| Lead | nicht nachweisbar mg/l not detectable | 10 µg/l | — | Mean |
| Mercury | nicht nachweisbar mg/l not detectable | 1 µg/l | — | Mean |
| Nickel | nicht nachweisbar mg/l not detectable | 20 µg/l | — | Mean |
| Nitrate | 8,6 mg/l | 50 mg/l | 17 % | Mean |
| Nitrite | nicht nachweisbar mg/l not detectable | 0.5 mg/l | — | Mean |
| Selenium | nicht nachweisbar mg/l not detectable | 10 µg/l | — | Mean |
| Uranium | nicht nachweisbar mg/l not detectable | 10 µg/l | — | Mean |
Indicator parameters (15)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aluminium | 0,009 mg/l | 0.2 mg/l | 5 % | Mean |
| Ammonium | nicht nachweisbar mg/l not detectable | 0.5 mg/l | — | Mean |
| Calcite dissolution capacity | -3,5 mg/l | 5 mg/l CaCO3 | — | Mean |
| Chloride | 10,9 mg/l | 250 mg/l | 4 % | Mean |
| Coliform bacteria | 0 /100 ml | 0/100 ml | — | Mean |
| Colony count 22 °C | 0 /100 ml | ohne anormale Veränderung | — | Mean |
| Colony count 36 °C | 0 /100 ml | ohne anormale Veränderung | — | Mean |
| Colour | 0 m-1 | 0.5 m⁻¹ | — | Mean |
| Iron | nicht nachweisbar mg/l not detectable | 0.2 mg/l | — | Mean |
| Manganese | nicht nachweisbar mg/l not detectable | 50 µg/l | — | Mean |
| Sodium | 9,1 mg/l | 200 mg/l | 5 % | Mean |
| Sulphate | 5,2 mg/l | 250 mg/l | 2 % | Mean |
| Temperature | 11,20 °C | — | — | Mean |
| Total organic carbon (TOC) | 0,5 mg/l | ohne anormale Veränderung | — | Mean |
| Turbidity | 0,2 NTU | 1 NTU | — | Mean |
Further parameters (9)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Acid capacity to pH 4.3 | 2,68 mmol/l | — | — | Mean |
| Base capacity to pH 8.2 | 0,03 mmol/l | — | — | Mean |
| Calcium | 31,6 mg/l | — | — | Mean |
| Hardness range (WRMG) | weich - | — | — | Mean |
| Magnesium | 13 mg/l | — | — | Mean |
| Oxygen | 8,27 mg/l | — | — | Mean |
| Phosphate | 0,278 mg/l | — | — | Mean |
| Potassium | 2,5 mg/l | — | — | Mean |
| Total hardness | 7,4 °dH | — | — | 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: dillingen-saar-4dd329b0.pdf · Jahresmittelwert 2025 · retrieved on 11/07/2026
Frequent questions about postcode 66763
- How hard is the water in Postcode 66763?
- Stadtwerke Dillingen/Saar GmbH (SWD) publishes a total hardness of 9.5 °dH for the supply zone Wasserwerk Heiligenberg (hardness range mittel). 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 66763?
- Stadtwerke Dillingen/Saar GmbH (SWD) publishes a nitrate value of 23,1 mg/l for the supply zone Wasserwerk Heiligenberg. The statutory parametric value is 50 mg/l; the measured value represents 46 % of the parametric value. Basis: Publication by the water supplier, retrieved on 11/07/2026.
- Who supplies the drinking water in Postcode 66763?
- Stadtwerke Dillingen/Saar GmbH (SWD). The values shown here come from the supply zone Wasserwerk Heiligenberg 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.