Drinking water in Gommiswald
One supply zone, water supplier: Wasserversorgung Gommiswald.
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.
Gommiswald - Ernetschwil - Rieden SG
Wasserversorgung GommiswaldAssigned 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 | 3.6 mg/l | 40 mg/l | 9 % | Mean · Gommiswald - Ernetschwil - Rieden SG |
| Escherichia coli (E. coli) | 76 KBE/100ml | 0/100 ml | above the parametric value — this parameter must not be detectable | Maximum · Median 0 · Gommiswald - Ernetschwil - Rieden SG |
| Sulphate | 3 mg/l | — | — | Mean · Gommiswald - Ernetschwil - Rieden SG |
| Sodium | 2.62 mg/l | 200 mg/l | 1 % | Mean · Gommiswald - Ernetschwil - Rieden SG |
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 (16 — most recent value per parameter)
Microbiology (3)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aerobic mesophilic bacteria | 6.75 KBE/ml | 300 1/ml | — | Mean · Gommiswald - Ernetschwil - Rieden SG |
| Escherichia coli (E. coli) | 76 KBE/100ml | 0/100 ml | above the parametric value — this parameter must not be detectable | Maximum · Median 0 · Gommiswald - Ernetschwil - Rieden SG |
| Intestinal enterococci | 14 KBE/100ml | 0/100 ml | above the parametric value — this parameter must not be detectable | Maximum · Median 0 · Gommiswald - Ernetschwil - Rieden SG |
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 (1)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Nitrate | 3.6 mg/l | 40 mg/l | 9 % | Mean · Gommiswald - Ernetschwil - Rieden SG |
Indicator parameters (7)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Chloride | 3.2 mg/l | — | — | Mean · Gommiswald - Ernetschwil - Rieden SG |
| Conductivity (25 °C) | 426.12 µS/cm | — | — | Mean · Gommiswald - Ernetschwil - Rieden SG |
| pH | 7.54 | — | — | Mean · Gommiswald - Ernetschwil - Rieden SG |
| Sodium | 2.62 mg/l | 200 mg/l | 1 % | Mean · Gommiswald - Ernetschwil - Rieden SG |
| Sulphate | 3 mg/l | — | — | Mean · Gommiswald - Ernetschwil - Rieden SG |
| Temperature | 9.98 °C | — | — | Mean · Gommiswald - Ernetschwil - Rieden SG |
| Turbidity | 0.15 TE/F | — | — | Mean · Gommiswald - Ernetschwil - Rieden SG |
Further parameters (5)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 68.8 mg/l | — | — | Mean · Gommiswald - Ernetschwil - Rieden SG |
| Dissolved organic carbon (DOC) | 0.3 mg/l | — | — | Mean · Gommiswald - Ernetschwil - Rieden SG |
| Magnesium | 15 mg/l | — | — | Mean · Gommiswald - Ernetschwil - Rieden SG |
| Potassium | 0.76 mg/l | — | — | Mean · Gommiswald - Ernetschwil - Rieden SG |
| Total hardness | 22.86 °fH | — | — | Mean · Gommiswald - Ernetschwil - Rieden SG |
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: 8737
Frequently asked questions about drinking water in Gommiswald
- How hard is the water in Gommiswald?
- Wasserversorgung Gommiswald publishes a total hardness of 22.86 °fH for the supply zone Gommiswald - Ernetschwil - Rieden SG — that corresponds to 12.8 °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 Gommiswald?
- Wasserversorgung Gommiswald publishes a nitrate value of 3.6 mg/l for the supply zone Gommiswald - Ernetschwil - Rieden SG. The statutory parametric value is 40 mg/l; the measured value represents 9 % of the parametric value. Basis: 2025, retrieved on 07/08/2026.
- Who supplies the drinking water in Gommiswald?
- Wasserversorgung Gommiswald. The values shown here come from the supply zone Gommiswald - Ernetschwil - Rieden SG 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.