Drinking water in Hirschhorn
One supply zone, water supplier: TWIST RLP - ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW.
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.
ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW
TWIST RLP - ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TWAssigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Sum of PFAS | 0.005 µg/L | 0.1 µg/l | 5 % | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Nitrate | 16 mg/L | 50 mg/l | 32 % | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Lead | < 1 µg/L below limit of quantification | 10 µg/l | < 10 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Escherichia coli (E. coli) | 0 Anzahl/100ml | 0/100 ml | — | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Sulphate | 16 mg/L | 250 mg/l | 6 % | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Sodium | 6.4 mg/L | 200 mg/l | 3 % | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
* 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.
Show all recorded parameters (30 — most recent value per parameter)
Microbiology (1)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Escherichia coli (E. coli) | 0 Anzahl/100ml | 0/100 ml | — | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
Chemical parameters (14)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Antimony | < 1 µg/L below limit of quantification | 5 µg/l | < 20 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Arsenic | 0.6 µg/L | 10 µg/l | 6 % | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Boron | < 0.01 mg/L below limit of quantification | 1 mg/l | < 1 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Cadmium | < 0.1 µg/L below limit of quantification | 3 µg/l | < 3 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Copper | 0.004 mg/L | 2 mg/l | 0.2 % | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Cyanide | < 0.005 mg/L below limit of quantification | 50 µg/l | < 10 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Fluoride | < 0.1 mg/L below limit of quantification | 1.5 mg/l | < 7 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Lead | < 1 µg/L below limit of quantification | 10 µg/l | < 10 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Mercury | < 0.1 µg/L below limit of quantification | 1 µg/l | < 10 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Nickel | 4 µg/L | 20 µg/l | 20 % | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Nitrate | 16 mg/L | 50 mg/l | 32 % | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Nitrite | < 0.005 mg/L below limit of quantification | 0.5 mg/l | < 1 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Selenium | < 1 µg/L below limit of quantification | 10 µg/l | < 10 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Uranium | < 0.5 µg/L below limit of quantification | 10 µg/l | < 5 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
* 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 (1)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Sum of PFAS | 0.005 µg/L | 0.1 µg/l | 5 % | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
Indicator parameters (10)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aluminium | 0.006 mg/L | 0.2 mg/l | 3 % | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Ammonium | < 0.05 mg/L below limit of quantification | 0.5 mg/l | < 10 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Chloride | 15 mg/L | 250 mg/l | 6 % | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Coliform bacteria | 0 Anzahl/100ml | 0/100 ml | — | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Iron | < 0.005 mg/L below limit of quantification | 0.2 mg/l | < 3 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Manganese | < 0.005 mg/L below limit of quantification | 50 µg/l | < 10 % * | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| pH | 8.07 - | 6,5–9,5 | — | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Sodium | 6.4 mg/L | 200 mg/l | 3 % | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Sulphate | 16 mg/L | 250 mg/l | 6 % | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Temperature | 9.8 °C | — | — | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
* 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.
Further parameters (4)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 42 mg/L | — | — | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Magnesium | 3.9 mg/L | — | — | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Potassium | 4 mg/L | — | — | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
| Total hardness | 1.21 mmol/l | — | — | Mean · ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW |
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: 67732
Frequently asked questions about drinking water in Hirschhorn
- How hard is the water in Hirschhorn?
- TWIST RLP - ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW publishes a total hardness of 1.21 mmol/l for the supply zone ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW — that corresponds to 6.8 °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: Publication by the water supplier, retrieved on 13/07/2026.
- How much nitrate is in the drinking water in Hirschhorn?
- TWIST RLP - ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW publishes a nitrate value of 16 mg/L for the supply zone ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW. The statutory parametric value is 50 mg/l; the measured value represents 32 % of the parametric value. Basis: Publication by the water supplier, retrieved on 13/07/2026.
- Are PFAS detectable in the drinking water in Hirschhorn?
- TWIST RLP - ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW publishes for the supply zone ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW a sum value PFAS-20 of 0.005 µg/L. The statutory parametric value is 0.1 µg/l; the measured value represents 5 % of the parametric value. For the sum of the 20 individual substances, this parametric value has applied since 12/01/2026. Basis: Publication by the water supplier, retrieved on 13/07/2026.
- Who supplies the drinking water in Hirschhorn?
- TWIST RLP - ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW. The values shown here come from the supply zone ÜG-ÜS Obersulzbach (VGW Otterbach)(WW), TW 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.