Drinking water in Rheinau
There are 2 places with this name — listed below by area. 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.
Rheinau (8462)
Gemeindegebiet 8462 Rheinau
Wasserversorgung 8462 RheinauAssigned 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 | 5.5 mg/l | 40 mg/l | 14 % | Mean · Gemeindegebiet 8462 Rheinau |
| Sulphate | 31.7 mg/l | — | — | Mean · Gemeindegebiet 8462 Rheinau |
| Sodium | 6.4 mg/l | 200 mg/l | 3 % | Mean · Gemeindegebiet 8462 Rheinau |
Show all recorded parameters (10 — most recent value per parameter)
Chemical parameters (1)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Nitrate | 5.5 mg/l | 40 mg/l | 14 % | Mean · Gemeindegebiet 8462 Rheinau |
Indicator parameters (5)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Chloride | 7.2 mg/l | — | — | Mean · Gemeindegebiet 8462 Rheinau |
| pH | 7.7 | — | — | Mean · Gemeindegebiet 8462 Rheinau |
| Sodium | 6.4 mg/l | 200 mg/l | 3 % | Mean · Gemeindegebiet 8462 Rheinau |
| Sulphate | 31.7 mg/l | — | — | Mean · Gemeindegebiet 8462 Rheinau |
| Temperature | 12.3 °C | — | — | Mean · Gemeindegebiet 8462 Rheinau |
Further parameters (4)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 51.7 mg/l | — | — | Mean · Gemeindegebiet 8462 Rheinau |
| Magnesium | 10.4 mg/l | — | — | Mean · Gemeindegebiet 8462 Rheinau |
| Potassium | 1.8 mg/l | — | — | Mean · Gemeindegebiet 8462 Rheinau |
| Total hardness | 17.2 °fH | — | — | Mean · Gemeindegebiet 8462 Rheinau |
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: 8462
Frequently asked questions about drinking water in Rheinau
- How hard is the water in Rheinau?
- Wasserversorgung 8462 Rheinau publishes a total hardness of 17.2 °fH for the supply zone Gemeindegebiet 8462 Rheinau — that corresponds to 9.6 °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 Rheinau?
- Wasserversorgung 8462 Rheinau publishes a nitrate value of 5.5 mg/l for the supply zone Gemeindegebiet 8462 Rheinau. The statutory parametric value is 40 mg/l; the measured value represents 14 % of the parametric value. Basis: 2025, retrieved on 07/08/2026.
- Who supplies the drinking water in Rheinau?
- Wasserversorgung 8462 Rheinau. The values shown here come from the supply zone Gemeindegebiet 8462 Rheinau 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.
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For postcode 77866 there is no verified assignment yet.