Drinking water in Nassenwil, Niederhasli
6 supply zones — values can differ depending on the district. Below is the zone with the most documented parameters, the others collapsed underneath. To determine the exact match, look up the postcode.
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.
Dorfzone Niederhasli
Wasserversorgung Gemeinde NiederhasliAssigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 31/12/2023. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Nitrate | 11 mg/l | 40 mg/l | 27 % | Mean · Dorfzone Niederhasli |
| Escherichia coli (E. coli) | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Dorfzone Niederhasli |
| Sulphate | 19.1 mg/l | — | — | Mean · Dorfzone Niederhasli |
| Sodium | 11.7 mg/l | 200 mg/l | 6 % | Mean · Dorfzone Niederhasli |
Show all recorded parameters (15 — most recent value per parameter)
Microbiology (3)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aerobic mesophilic bacteria | 3.5 KBE/ml | 300 1/ml | — | Mean · Dorfzone Niederhasli |
| Escherichia coli (E. coli) | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Dorfzone Niederhasli |
| Intestinal enterococci | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Dorfzone Niederhasli |
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 · Dorfzone Niederhasli |
| Nitrate | 11 mg/l | 40 mg/l | 27 % | Mean · Dorfzone Niederhasli |
* 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 | 21.8 mg/l | — | — | Mean · Dorfzone Niederhasli |
| Conductivity (25 °C) | 553.5 µS/cm | — | — | Mean · Dorfzone Niederhasli |
| pH | 7.5 | — | — | Mean · Dorfzone Niederhasli |
| Sodium | 11.7 mg/l | 200 mg/l | 6 % | Mean · Dorfzone Niederhasli |
| Sulphate | 19.1 mg/l | — | — | Mean · Dorfzone Niederhasli |
| Temperature | 13.6 °C | — | — | Mean · Dorfzone Niederhasli |
Further parameters (4)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 86.9 mg/l | — | — | Mean · Dorfzone Niederhasli |
| Magnesium | 17.9 mg/l | — | — | Mean · Dorfzone Niederhasli |
| Potassium | 1.2 mg/l | — | — | Mean · Dorfzone Niederhasli |
| Total hardness | 29 °fH | — | — | Mean · Dorfzone Niederhasli |
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: 8155
Show 5 more supply zones
Gross Ibig (Hochdruckzone)
Wasserversorgung Gemeinde NiederhasliAssigned 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 | 4 mg/l | 40 mg/l | 10 % | Mean · Gross Ibig (Hochdruckzone) |
| Escherichia coli (E. coli) | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Gross Ibig (Hochdruckzone) |
| Sulphate | 16.7 mg/l | — | — | Mean · Gross Ibig (Hochdruckzone) |
| Sodium | 7.2 mg/l | 200 mg/l | 4 % | Mean · Gross Ibig (Hochdruckzone) |
Show all recorded parameters (15 — most recent value per parameter)
Microbiology (3)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aerobic mesophilic bacteria | 10 KBE/ml | 300 1/ml | — | Mean · Gross Ibig (Hochdruckzone) |
| Escherichia coli (E. coli) | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Gross Ibig (Hochdruckzone) |
| Intestinal enterococci | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Gross Ibig (Hochdruckzone) |
Chemical parameters (2)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Fluoride | 0.1 mg/l | 1.5 mg/l | 7 % | Mean · Gross Ibig (Hochdruckzone) |
| Nitrate | 4 mg/l | 40 mg/l | 10 % | Mean · Gross Ibig (Hochdruckzone) |
Indicator parameters (6)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Chloride | 5.9 mg/l | — | — | Mean · Gross Ibig (Hochdruckzone) |
| Conductivity (25 °C) | 481 µS/cm | — | — | Mean · Gross Ibig (Hochdruckzone) |
| pH | 7.6 | — | — | Mean · Gross Ibig (Hochdruckzone) |
| Sodium | 7.2 mg/l | 200 mg/l | 4 % | Mean · Gross Ibig (Hochdruckzone) |
| Sulphate | 16.7 mg/l | — | — | Mean · Gross Ibig (Hochdruckzone) |
| Temperature | 14 °C | — | — | Mean · Gross Ibig (Hochdruckzone) |
Further parameters (4)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 76.1 mg/l | — | — | Mean · Gross Ibig (Hochdruckzone) |
| Magnesium | 18.8 mg/l | — | — | Mean · Gross Ibig (Hochdruckzone) |
| Potassium | 1 mg/l | — | — | Mean · Gross Ibig (Hochdruckzone) |
| Total hardness | 26.7 °fH | — | — | Mean · Gross Ibig (Hochdruckzone) |
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: 8155
Mettmenhasli
Wasserversorgung Gemeinde NiederhasliAssigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 31/12/2023. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Nitrate | 7.2 mg/l | 40 mg/l | 18 % | Mean · Mettmenhasli |
| Escherichia coli (E. coli) | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Mettmenhasli |
| Sulphate | 16 mg/l | — | — | Mean · Mettmenhasli |
| Sodium | 8.3 mg/l | 200 mg/l | 4 % | Mean · Mettmenhasli |
Show all recorded parameters (15 — most recent value per parameter)
Microbiology (3)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aerobic mesophilic bacteria | 22.2 KBE/ml | 300 1/ml | — | Mean · Mettmenhasli |
| Escherichia coli (E. coli) | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Mettmenhasli |
| Intestinal enterococci | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Mettmenhasli |
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 · Mettmenhasli |
| Nitrate | 7.2 mg/l | 40 mg/l | 18 % | Mean · Mettmenhasli |
* 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 | 13.1 mg/l | — | — | Mean · Mettmenhasli |
| Conductivity (25 °C) | 477.6 µS/cm | — | — | Mean · Mettmenhasli |
| pH | 7.7 | — | — | Mean · Mettmenhasli |
| Sodium | 8.3 mg/l | 200 mg/l | 4 % | Mean · Mettmenhasli |
| Sulphate | 16 mg/l | — | — | Mean · Mettmenhasli |
| Temperature | 12.9 °C | — | — | Mean · Mettmenhasli |
Further parameters (4)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 75.5 mg/l | — | — | Mean · Mettmenhasli |
| Magnesium | 16.3 mg/l | — | — | Mean · Mettmenhasli |
| Potassium | 1.3 mg/l | — | — | Mean · Mettmenhasli |
| Total hardness | 25.5 °fH | — | — | Mean · Mettmenhasli |
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: 8155
Nassenwil
Wasserversorgung Gemeinde NiederhasliAssigned 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 | 4 mg/l | 40 mg/l | 10 % | Mean · Nassenwil |
| Escherichia coli (E. coli) | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Nassenwil |
| Sulphate | 25.8 mg/l | — | — | Mean · Nassenwil |
| Sodium | 5.5 mg/l | 200 mg/l | 3 % | Mean · Nassenwil |
Show all recorded parameters (15 — most recent value per parameter)
Microbiology (3)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aerobic mesophilic bacteria | 1 KBE/ml | 300 1/ml | — | Mean · Nassenwil |
| Escherichia coli (E. coli) | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Nassenwil |
| Intestinal enterococci | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Nassenwil |
Chemical parameters (2)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Fluoride | 0.1 mg/l | 1.5 mg/l | 7 % | Mean · Nassenwil |
| Nitrate | 4 mg/l | 40 mg/l | 10 % | Mean · Nassenwil |
Indicator parameters (6)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Chloride | 5.3 mg/l | — | — | Mean · Nassenwil |
| Conductivity (25 °C) | 671 µS/cm | — | — | Mean · Nassenwil |
| pH | 7.3 | — | — | Mean · Nassenwil |
| Sodium | 5.5 mg/l | 200 mg/l | 3 % | Mean · Nassenwil |
| Sulphate | 25.8 mg/l | — | — | Mean · Nassenwil |
| Temperature | 14.1 °C | — | — | Mean · Nassenwil |
Further parameters (4)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 106.9 mg/l | — | — | Mean · Nassenwil |
| Magnesium | 31 mg/l | — | — | Mean · Nassenwil |
| Potassium | 0.7 mg/l | — | — | Mean · Nassenwil |
| Total hardness | 39.4 °fH | — | — | Mean · Nassenwil |
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: 8155
Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv)
Wasserversorgung Gemeinde NiederhasliAssigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 31/12/2023. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Nitrate | 4.7 mg/l | 40 mg/l | 12 % | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| Escherichia coli (E. coli) | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| Sulphate | 10.9 mg/l | — | — | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| Sodium | 6.5 mg/l | 200 mg/l | 3 % | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
Show all recorded parameters (15 — most recent value per parameter)
Microbiology (3)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aerobic mesophilic bacteria | 33.8 KBE/ml | 300 1/ml | — | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| Escherichia coli (E. coli) | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| Intestinal enterococci | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
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 · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| Nitrate | 4.7 mg/l | 40 mg/l | 12 % | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
* 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 | 6.5 mg/l | — | — | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| Conductivity (25 °C) | 396.3 µS/cm | — | — | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| pH | 7.8 | — | — | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| Sodium | 6.5 mg/l | 200 mg/l | 3 % | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| Sulphate | 10.9 mg/l | — | — | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| Temperature | 14.8 °C | — | — | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
Further parameters (4)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 62.9 mg/l | — | — | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| Magnesium | 13.2 mg/l | — | — | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| Potassium | 1.3 mg/l | — | — | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
| Total hardness | 21.1 °fH | — | — | Mean · Niederhasli Eschenberg-, Heisel- und Industriegebiet (ab 2024 inaktiv) |
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: 8155
Oberhasli
Wasserversorgung Gemeinde NiederhasliAssigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 31/12/2023. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Nitrate | 4.3 mg/l | 40 mg/l | 11 % | Mean · Oberhasli |
| Escherichia coli (E. coli) | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Oberhasli |
| Sulphate | 12.4 mg/l | — | — | Mean · Oberhasli |
| Sodium | 5.9 mg/l | 200 mg/l | 3 % | Mean · Oberhasli |
Show all recorded parameters (15 — most recent value per parameter)
Microbiology (3)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aerobic mesophilic bacteria | 3.3 KBE/ml | 300 1/ml | — | Mean · Oberhasli |
| Escherichia coli (E. coli) | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Oberhasli |
| Intestinal enterococci | 0 KBE/100ml | 0/100 ml | — | Maximum · Median 0 · Oberhasli |
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 · Oberhasli |
| Nitrate | 4.3 mg/l | 40 mg/l | 11 % | Mean · Oberhasli |
* 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 | 7 mg/l | — | — | Mean · Oberhasli |
| Conductivity (25 °C) | 426.6 µS/cm | — | — | Mean · Oberhasli |
| pH | 7.6 | — | — | Mean · Oberhasli |
| Sodium | 5.9 mg/l | 200 mg/l | 3 % | Mean · Oberhasli |
| Sulphate | 12.4 mg/l | — | — | Mean · Oberhasli |
| Temperature | 12.3 °C | — | — | Mean · Oberhasli |
Further parameters (4)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 67.6 mg/l | — | — | Mean · Oberhasli |
| Magnesium | 15.5 mg/l | — | — | Mean · Oberhasli |
| Potassium | 1.2 mg/l | — | — | Mean · Oberhasli |
| Total hardness | 23.2 °fH | — | — | Mean · Oberhasli |
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: 8155
Frequently asked questions about drinking water in Nassenwil, Niederhasli
- How hard is the water in Nassenwil, Niederhasli?
- Wasserversorgung Gemeinde Niederhasli publishes a total hardness of 29 °fH for the supply zone Dorfzone Niederhasli — that corresponds to 16.2 °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: 2023, retrieved on 07/08/2026.
- How much nitrate is in the drinking water in Nassenwil, Niederhasli?
- Wasserversorgung Gemeinde Niederhasli publishes a nitrate value of 11 mg/l for the supply zone Dorfzone Niederhasli. The statutory parametric value is 40 mg/l; the measured value represents 27 % of the parametric value. Basis: 2023, retrieved on 07/08/2026.
- Who supplies the drinking water in Nassenwil, Niederhasli?
- Wasserversorgung Gemeinde Niederhasli. The values shown here come from the supply zone Dorfzone Niederhasli 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.