Drinking water in Heddesheim
One supply zone, water supplier: Zweckverband Gruppenwasserversorgung Obere Bergstraße.
How to read the share of the parametric value
12 % Share of the parametric value. The proportion of the permitted maximum that the measured value uses — here 12 %, so just over an eighth.
< 10 % * Below the limit of quantification. The substance was not detectable. The mark shows where the detection limit lies relative to the parametric value — the actual share of the parametric value is below that.
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.
Wasserwerk der Gruppenwasserversorgung Obere Bergstraße / Trinkwasser-Abgangsleitung Mischwasser
Zweckverband Gruppenwasserversorgung Obere BergstraßeAssigned 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 20/05/2025. 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.
Water hardness
22.4 °dH
Hardness range hard
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Nitrate | 40.6 mg/l | 50 mg/l | 81 % | Single value |
| Lead | < 0.001 mg/l below limit of quantification | 10 µg/l | < 10 % * | Single value |
| Sulphate | 76.3 mg/l | 250 mg/l | 31 % | Single value |
| Sodium | 19.1 mg/l | 200 mg/l | 10 % | Single value |
* 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 (78 — most recent value per parameter)
Chemical parameters (61)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| 1,2-dichloroethane | < 0.0003 mg/l below limit of quantification | 3 µg/l | < 10 % * | Single value |
| 2,6-Dichlorobenzamide (BAM) | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Aldrin | < 0.00002 mg/l below limit of quantification | 30 ng/l | < 67 % * | Single value |
| Antimony | < 0.0005 mg/l below limit of quantification | 5 µg/l | < 10 % * | Single value |
| Arsenic | < 0.001 mg/l below limit of quantification | 10 µg/l | < 10 % * | Single value |
| Atrazine | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Bentazone | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Benzene | < 0.0003 mg/l below limit of quantification | 1 µg/l | < 30 % * | Single value |
| Benzo(a)pyrene | < 0.000003 mg/l below limit of quantification | 10 ng/l | < 30 % * | Single value |
| Bisphenol A | < 0.00025 mg/l below limit of quantification | 2.5 µg/l | < 10 % * | Single value |
| Boron | < 0.10 mg/l below limit of quantification | 1 mg/l | < 10 % * | Single value |
| Boscalid | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Bromacil | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Bromate | < 0.0025 mg/l below limit of quantification | 10 µg/l | < 25 % * | Single value |
| Bromodichloromethane | < 1.0 µg/l below limit of quantification | — | — | Single value |
| Cadmium | < 0.0003 mg/l below limit of quantification | 3 µg/l | < 10 % * | Single value |
| Chloridazon | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Chlorotoluron | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Chromium | 0.0009 mg/l | 25 µg/l | 4 % | Single value |
| Copper | < 0.020 mg/l below limit of quantification | 2 mg/l | < 1 % * | Single value |
| Cyanide | < 0.005 mg/l below limit of quantification | 50 µg/l | < 10 % * | Single value |
| Desethylatrazine | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Desethylterbuthylazine | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Desisopropylatrazine | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Dibromochloromethane | < 1.0 µg/l below limit of quantification | — | — | Single value |
| Dicamba | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Dichlorprop | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Dieldrin | < 0.00002 mg/l below limit of quantification | 30 ng/l | < 67 % * | Single value |
| Diuron | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Ethidimuron | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Fluoride | < 0.15 mg/l below limit of quantification | 1.5 mg/l | < 10 % * | Single value |
| Heptachlor | < 0.00002 mg/l below limit of quantification | 30 ng/l | < 67 % * | Single value |
| Heptachlor epoxide | < 0.00002 mg/l below limit of quantification | 30 ng/l | < 67 % * | Single value |
| Hexazinone | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Imidacloprid | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Indeno(1,2,3-cd)pyrene | < 0.000005 mg/l below limit of quantification | — | — | Single value |
| Isoproturon | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Lead | < 0.001 mg/l below limit of quantification | 10 µg/l | < 10 % * | Single value |
| Lenacil | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| MCPA | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Mecoprop | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Mercury | < 0.0001 mg/l below limit of quantification | 1 µg/l | < 10 % * | Single value |
| Metalaxyl | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Metazachlor | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Methabenzthiazuron | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Metolachlor | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Nickel | < 0.002 mg/l below limit of quantification | 20 µg/l | < 10 % * | Single value |
| Nitrate | 40.6 mg/l | 50 mg/l | 81 % | Single value |
| Nitrite | < 0.05 mg/l below limit of quantification | 0.5 mg/l | < 10 % * | Single value |
| Polycyclic aromatic hydrocarbons | < 0.000030 mg/l below limit of quantification | 0.1 µg/l | < 30 % * | Single value |
| Propazine | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Sebuthylazine | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Selenium | < 0.002 mg/l below limit of quantification | 10 µg/l | < 20 % * | Single value |
| Simazine | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Tebuconazole | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Terbuthylazine | < 0.00005 mg/l below limit of quantification | — | — | Single value |
| Tetrachloroethene | 0.0002 mg/l | — | — | Single value |
| Tribromomethane (bromoform) | < 1.0 µg/l below limit of quantification | — | — | Single value |
| Trichloroethene | < 0.0002 mg/l below limit of quantification | — | — | Single value |
| Trichloromethane (chloroform) | < 1.0 µg/l below limit of quantification | — | — | Single value |
| Uranium | 0.002 mg/l | 10 µg/l | 20 % | Single value |
* 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 (13)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aluminium | < 0.010 mg/l below limit of quantification | 0.2 mg/l | < 5 % * | Single value |
| Ammonium | < 0.05 mg/l below limit of quantification | 0.5 mg/l | < 10 % * | Single value |
| Calcite dissolution capacity | -13.80 mg/l | 5 mg/l CaCO3 | — | Single value |
| Chloride | 43.7 mg/l | 250 mg/l | 17 % | Single value |
| Conductivity (25 °C) | 860.0 µS/cm(25°C) | 2,790 µS/cm | — | Single value |
| Iron | < 0.02 mg/l below limit of quantification | 0.2 mg/l | < 10 % * | Single value |
| Manganese | 0.010 mg/l | 50 µg/l | 20 % | Single value |
| pH | 7.3 --- | 6,5–9,5 | — | Single value |
| Sodium | 19.1 mg/l | 200 mg/l | 10 % | Single value |
| Sulphate | 76.3 mg/l | 250 mg/l | 31 % | Single value |
| Taste | ohne --- | für den Verbraucher annehmbar | — | Single value |
| Total organic carbon (TOC) | < 0.5 mg/l below limit of quantification | ohne anormale Veränderung | — | Single value |
| Turbidity | < 0.3 NTU below limit of quantification | 1 NTU | — | Single value |
* 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 | 124.0 mg/l | — | — | Single value |
| Magnesium | 21.1 mg/l | — | — | Single value |
| Potassium | 2.1 mg/l | — | — | Single value |
| Total hardness | 4.0 mmol/l | — | — | Single value |
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.
Source: https://www.heddesheim.de/ceasy/resource/?id=8285&download=1 · 20.05.2025 · 20.05.2025 · retrieved on 11/07/2026
Postcodes in this zone: 68542
Frequently asked questions about drinking water in Heddesheim
- How hard is the water in Heddesheim?
- Zweckverband Gruppenwasserversorgung Obere Bergstraße publishes a total hardness of 4.0 mmol/l for the supply zone Wasserwerk der Gruppenwasserversorgung Obere Bergstraße / Trinkwasser-Abgangsleitung Mischwasser — that corresponds to 22.4 °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: 20.05.2025, retrieved on 11/07/2026.
- How much nitrate is in the drinking water in Heddesheim?
- Zweckverband Gruppenwasserversorgung Obere Bergstraße publishes a nitrate value of 40.6 mg/l for the supply zone Wasserwerk der Gruppenwasserversorgung Obere Bergstraße / Trinkwasser-Abgangsleitung Mischwasser. The statutory parametric value is 50 mg/l; the measured value represents 81 % of the parametric value. Basis: 20.05.2025, retrieved on 11/07/2026.
- Who supplies the drinking water in Heddesheim?
- Zweckverband Gruppenwasserversorgung Obere Bergstraße. The values shown here come from the supply zone Wasserwerk der Gruppenwasserversorgung Obere Bergstraße / Trinkwasser-Abgangsleitung Mischwasser 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.