Drinking water in Hausen am Albis
One supply zone, water supplier: Politische Gemeinde Hausen a/A.
How to read the share of the parametric value
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.
Hausen am Albis
Politische Gemeinde Hausen a/AAssigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Nitrate | 9.88 mg/l | 40 mg/l | 25 % | Mean · Hausen am Albis |
| Escherichia coli (E. coli) | 1 KBE/100ml | 0/100 ml | above the parametric value — this parameter must not be detectable | Maximum · Median 0 · Hausen am Albis |
| Sulphate | 5.02 mg/l | — | — | Mean · Hausen am Albis |
| Sodium | 3 mg/l | 200 mg/l | 2 % | Mean · Hausen am Albis |
An exceedance of a parametric value does not automatically mean a health risk; the statutory parametric values include safety margins. Assessment and any measures are the responsibility of the competent health authority of the respective country.
Show all recorded parameters (18 — most recent value per parameter)
Microbiology (3)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aerobic mesophilic bacteria | 20 KBE/ml | 300 1/ml | — | Mean · Hausen am Albis |
| Escherichia coli (E. coli) | 1 KBE/100ml | 0/100 ml | above the parametric value — this parameter must not be detectable | Maximum · Median 0 · Hausen am Albis |
| Intestinal enterococci | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Hausen am Albis |
An exceedance of a parametric value does not automatically mean a health risk; the statutory parametric values include safety margins. Assessment and any measures are the responsibility of the competent health authority of the respective country.
Chemical parameters (2)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Fluoride | < 0.1 mg/l below limit of quantification | 1.5 mg/l | < 7 % * | Mean · Hausen am Albis |
| Nitrate | 9.88 mg/l | 40 mg/l | 25 % | Mean · Hausen am Albis |
* 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.
PFAS (3)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Perfluorohexane sulfonic acid (PFHxS) | < 0.001 µg/l below limit of quantification | 0.3 µg/l | < 0.3 % * | Mean · Hausen am Albis |
| Perfluorooctanesulfonic acid (PFOS) | < 0.001 µg/l below limit of quantification | 0.3 µg/l | < 0.3 % * | Mean · Hausen am Albis |
| Perfluorooctanoic acid (PFOA) | < 0.001 µg/l below limit of quantification | 0.5 µg/l | < 0.2 % * | Mean · Hausen am Albis |
* 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 (6)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Chloride | 2.58 mg/l | — | — | Mean · Hausen am Albis |
| Conductivity (25 °C) | 516.17 µS/cm | — | — | Mean · Hausen am Albis |
| pH | 7.59 | — | — | Mean · Hausen am Albis |
| Sodium | 3 mg/l | 200 mg/l | 2 % | Mean · Hausen am Albis |
| Sulphate | 5.02 mg/l | — | — | Mean · Hausen am Albis |
| Temperature | 12.88 °C | — | — | Mean · Hausen am Albis |
Further parameters (4)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 101.04 mg/l | — | — | Mean · Hausen am Albis |
| Magnesium | 14.88 mg/l | — | — | Mean · Hausen am Albis |
| Potassium | 1.49 mg/l | — | — | Mean · Hausen am Albis |
| Total hardness | 31.33 °fH | — | — | Mean · Hausen am Albis |
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: 8915
Frequently asked questions about drinking water in Hausen am Albis
- How hard is the water in Hausen am Albis?
- Politische Gemeinde Hausen a/A publishes a total hardness of 31.33 °fH for the supply zone Hausen am Albis — that corresponds to 17.5 °dH. 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: 2025, retrieved on 07/08/2026.
- How much nitrate is in the drinking water in Hausen am Albis?
- Politische Gemeinde Hausen a/A publishes a nitrate value of 9.88 mg/l for the supply zone Hausen am Albis. The statutory parametric value is 40 mg/l; the measured value represents 25 % of the parametric value. Basis: 2025, retrieved on 07/08/2026.
- Who supplies the drinking water in Hausen am Albis?
- Politische Gemeinde Hausen a/A. The values shown here come from the supply zone Hausen am Albis 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.