Drinking water in 31535
For this postcode Wasserverband Garbsen-Neustadt publishes several supply zones. Which of them serves an individual address is not published — below are the values of the zone with the most documented parameters, the remaining 2 underneath.
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.
Garbsen
Wasserverband Garbsen-NeustadtAssigned 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 | 7,7 mg/l | 50 mg/l | 15 % | Single value · 2026-11372 |
| Lead | < 0,001 mg/l below limit of quantification | 10 µg/l | < 10 % * | Single value · 2026-11372 |
| Sulphate | 170 mg/l | 250 mg/l | 68 % | Single value · 2026-11372 |
| Sodium | 34 mg/l | 200 mg/l | 17 % | Single value · 2026-11372 |
* 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 (52 — most recent value per parameter)
Chemical parameters (31)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| 1,2-dichloroethane | < 0,0001 mg/l below limit of quantification | 3 µg/l | < 3 % * | Single value · 2026-11372 |
| Antimony | < 0,001 mg/l below limit of quantification | 5 µg/l | < 20 % * | Single value · 2026-11372 |
| Arsenic | < 0,001 mg/l below limit of quantification | 10 µg/l | < 10 % * | Single value · 2026-11372 |
| Benzene | < 0,0001 mg/l below limit of quantification | 1 µg/l | < 10 % * | Single value · 2026-11372 |
| Benzo(a)pyrene | < 0,000003 mg/l below limit of quantification | 10 ng/l | < 30 % * | Single value · 2026-11372 |
| Benzo(b)fluoranthene | < 0,00001 mg/l below limit of quantification | — | — | Single value · 2026-11372 |
| Benzo(ghi)perylene | < 0,00001 mg/l below limit of quantification | — | — | Single value · 2026-11372 |
| Benzo(k)fluoranthene | < 0,00001 mg/l below limit of quantification | — | — | Single value · 2026-11372 |
| Boron | 0,040 mg/l | 1 mg/l | 4 % | Single value · 2026-11372 |
| Bromate | < 0,002 mg/l below limit of quantification | 10 µg/l | < 20 % * | Single value · 2026-11372 |
| Bromodichloromethane | < 0,0001 mg/l below limit of quantification | — | — | Single value · 2026-11372 |
| Cadmium | < 0,0003 mg/l below limit of quantification | 3 µg/l | < 10 % * | Single value · 2026-11372 |
| Chromium | < 0,0005 mg/l below limit of quantification | 25 µg/l | < 2 % * | Single value · 2026-11372 |
| Copper | 0,009 mg/l | 2 mg/l | 0.4 % | Single value · 2026-11372 |
| Cyanide | < 0,005 mg/l below limit of quantification | 50 µg/l | < 10 % * | Single value · 2026-11372 |
| Dibromochloromethane | < 0,0001 mg/l below limit of quantification | — | — | Single value · 2026-11372 |
| Fluoride | 0,06 mg/l | 1.5 mg/l | 4 % | Single value · 2026-11372 |
| Indeno(1,2,3-cd)pyrene | < 0,00001 mg/l below limit of quantification | — | — | Single value · 2026-11372 |
| Lead | < 0,001 mg/l below limit of quantification | 10 µg/l | < 10 % * | Single value · 2026-11372 |
| Mercury | < 0,0001 mg/l below limit of quantification | 1 µg/l | < 10 % * | Single value · 2026-11372 |
| Nickel | 0,001 mg/l | 20 µg/l | 5 % | Single value · 2026-11372 |
| Nitrate | 7,7 mg/l | 50 mg/l | 15 % | Single value · 2026-11372 |
| Nitrite | < 0,01 mg/l below limit of quantification | 0.5 mg/l | < 2 % * | Single value · 2026-11372 |
| Polycyclic aromatic hydrocarbons | u.B. mg/l not detectable | 0.1 µg/l | — | Single value · 2026-11372 |
| Selenium | < 0,001 mg/l below limit of quantification | 10 µg/l | < 10 % * | Single value · 2026-11372 |
| Tetrachloroethene | < 0,0001 mg/l below limit of quantification | — | — | Single value · 2026-11372 |
| Tribromomethane (bromoform) | < 0,0001 mg/l below limit of quantification | — | — | Single value · 2026-11372 |
| Trichloroethene | < 0,0001 mg/l below limit of quantification | — | — | Single value · 2026-11372 |
| Trichloromethane (chloroform) | < 0,0001 mg/l below limit of quantification | — | — | Single value · 2026-11372 |
| Trihalomethanes — Total | u.B. mg/l not detectable | 50 µg/l | — | Single value · 2026-11372 |
| Uranium | 0,002 mg/l | 10 µg/l | 20 % | Single value · 2026-11372 |
* 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 (16)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aluminium | < 0,005 mg/l below limit of quantification | 0.2 mg/l | < 3 % * | Single value · 2026-11372 |
| Ammonium | < 0,02 mg/l below limit of quantification | 0.5 mg/l | < 4 % * | Single value · 2026-11372 |
| Calcite dissolution capacity | < 1 mg/l below limit of quantification | 5 mg/l CaCO3 | — | Single value · 2026-11372 |
| Chloride | 77 mg/l | 250 mg/l | 31 % | Single value · 2026-11372 |
| Conductivity (25 °C) | 790 µS/cm | 2,790 µS/cm | — | Single value · 2026-11372 |
| Iron | 0,010 mg/l | 0.2 mg/l | 5 % | Single value · 2026-11372 |
| Manganese | < 0,001 mg/l below limit of quantification | 50 µg/l | < 2 % * | Single value · 2026-11372 |
| Odour | normal | für den Verbraucher annehmbar | — | Single value · 2026-11372 |
| Oxidisability | < 1 mg/l below limit of quantification | 5 mg/l O2 | — | Single value · 2026-11372 |
| pH | 7,9 | 6,5–9,5 | — | Single value · 2026-11372 |
| Sodium | 34 mg/l | 200 mg/l | 17 % | Single value · 2026-11372 |
| Sulphate | 170 mg/l | 250 mg/l | 68 % | Single value · 2026-11372 |
| Taste | normal | für den Verbraucher annehmbar | — | Single value · 2026-11372 |
| Temperature | 10,7 °C | — | — | Single value · 2026-11372 |
| Total organic carbon (TOC) | 1,4 mg/l | ohne anormale Veränderung | — | Single value · 2026-11372 |
| Turbidity | 0,03 NTU | 1 NTU | — | Single value · 2026-11372 |
* 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 (5)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 90 mg/l | — | — | Single value · 2026-11372 |
| Carbonate hardness | 4,5 °dH | — | — | Single value · 2026-11372 |
| Magnesium | 20 mg/l | — | — | Single value · 2026-11372 |
| Potassium | 3,5 mg/l | — | — | Single value · 2026-11372 |
| Total hardness | 17 °dH | — | — | Single value · 2026-11372 |
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.
Show 2 more supply zones in this postcode
Garbsen, DE Horst, FrielingerStr.
Wasserverband Garbsen-NeustadtAssigned 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 | 40 mg/l | 50 mg/l | 80 % | Single value · 2026-11374 |
| Lead | < 0,001 mg/l below limit of quantification | 10 µg/l | < 10 % * | Single value · 2026-11374 |
| Sulphate | 65 mg/l | 250 mg/l | 26 % | Single value · 2026-11374 |
| Sodium | 21 mg/l | 200 mg/l | 11 % | Single value · 2026-11374 |
* 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 (52 — most recent value per parameter)
Chemical parameters (31)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| 1,2-dichloroethane | < 0,0001 mg/l below limit of quantification | 3 µg/l | < 3 % * | Single value · 2026-11374 |
| Antimony | < 0,001 mg/l below limit of quantification | 5 µg/l | < 20 % * | Single value · 2026-11374 |
| Arsenic | < 0,001 mg/l below limit of quantification | 10 µg/l | < 10 % * | Single value · 2026-11374 |
| Benzene | < 0,0001 mg/l below limit of quantification | 1 µg/l | < 10 % * | Single value · 2026-11374 |
| Benzo(a)pyrene | < 0,000003 mg/l below limit of quantification | 10 ng/l | < 30 % * | Single value · 2026-11374 |
| Benzo(b)fluoranthene | < 0,00001 mg/l below limit of quantification | — | — | Single value · 2026-11374 |
| Benzo(ghi)perylene | < 0,00001 mg/l below limit of quantification | — | — | Single value · 2026-11374 |
| Benzo(k)fluoranthene | < 0,00001 mg/l below limit of quantification | — | — | Single value · 2026-11374 |
| Boron | 0,033 mg/l | 1 mg/l | 3 % | Single value · 2026-11374 |
| Bromate | < 0,002 mg/l below limit of quantification | 10 µg/l | < 20 % * | Single value · 2026-11374 |
| Bromodichloromethane | < 0,0001 mg/l below limit of quantification | — | — | Single value · 2026-11374 |
| Cadmium | < 0,0003 mg/l below limit of quantification | 3 µg/l | < 10 % * | Single value · 2026-11374 |
| Chromium | < 0,0005 mg/l below limit of quantification | 25 µg/l | < 2 % * | Single value · 2026-11374 |
| Copper | 0,011 mg/l | 2 mg/l | 0.5 % | Single value · 2026-11374 |
| Cyanide | < 0,005 mg/l below limit of quantification | 50 µg/l | < 10 % * | Single value · 2026-11374 |
| Dibromochloromethane | < 0,0001 mg/l below limit of quantification | — | — | Single value · 2026-11374 |
| Fluoride | 0,08 mg/l | 1.5 mg/l | 5 % | Single value · 2026-11374 |
| Indeno(1,2,3-cd)pyrene | < 0,00001 mg/l below limit of quantification | — | — | Single value · 2026-11374 |
| Lead | < 0,001 mg/l below limit of quantification | 10 µg/l | < 10 % * | Single value · 2026-11374 |
| Mercury | < 0,0001 mg/l below limit of quantification | 1 µg/l | < 10 % * | Single value · 2026-11374 |
| Nickel | 0,001 mg/l | 20 µg/l | 5 % | Single value · 2026-11374 |
| Nitrate | 40 mg/l | 50 mg/l | 80 % | Single value · 2026-11374 |
| Nitrite | < 0,01 mg/l below limit of quantification | 0.5 mg/l | < 2 % * | Single value · 2026-11374 |
| Polycyclic aromatic hydrocarbons | u.B. mg/l not detectable | 0.1 µg/l | — | Single value · 2026-11374 |
| Selenium | < 0,001 mg/l below limit of quantification | 10 µg/l | < 10 % * | Single value · 2026-11374 |
| Tetrachloroethene | < 0,0001 mg/l below limit of quantification | — | — | Single value · 2026-11374 |
| Tribromomethane (bromoform) | < 0,0001 mg/l below limit of quantification | — | — | Single value · 2026-11374 |
| Trichloroethene | < 0,0001 mg/l below limit of quantification | — | — | Single value · 2026-11374 |
| Trichloromethane (chloroform) | < 0,0001 mg/l below limit of quantification | — | — | Single value · 2026-11374 |
| Trihalomethanes — Total | u.B. mg/l not detectable | 50 µg/l | — | Single value · 2026-11374 |
| Uranium | < 0,001 mg/l below limit of quantification | 10 µg/l | < 10 % * | Single value · 2026-11374 |
* 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 (16)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aluminium | < 0,005 mg/l below limit of quantification | 0.2 mg/l | < 3 % * | Single value · 2026-11374 |
| Ammonium | < 0,02 mg/l below limit of quantification | 0.5 mg/l | < 4 % * | Single value · 2026-11374 |
| Calcite dissolution capacity | < 1 mg/l below limit of quantification | 5 mg/l CaCO3 | — | Single value · 2026-11374 |
| Chloride | 41 mg/l | 250 mg/l | 16 % | Single value · 2026-11374 |
| Conductivity (25 °C) | 550 µS/cm | 2,790 µS/cm | — | Single value · 2026-11374 |
| Iron | < 0,005 mg/l below limit of quantification | 0.2 mg/l | < 3 % * | Single value · 2026-11374 |
| Manganese | < 0,001 mg/l below limit of quantification | 50 µg/l | < 2 % * | Single value · 2026-11374 |
| Odour | normal | für den Verbraucher annehmbar | — | Single value · 2026-11374 |
| Oxidisability | < 1 mg/l below limit of quantification | 5 mg/l O2 | — | Single value · 2026-11374 |
| pH | 7,8 | 6,5–9,5 | — | Single value · 2026-11374 |
| Sodium | 21 mg/l | 200 mg/l | 11 % | Single value · 2026-11374 |
| Sulphate | 65 mg/l | 250 mg/l | 26 % | Single value · 2026-11374 |
| Taste | normal | für den Verbraucher annehmbar | — | Single value · 2026-11374 |
| Temperature | 9,4 °C | — | — | Single value · 2026-11374 |
| Total organic carbon (TOC) | < 1 mg/l below limit of quantification | ohne anormale Veränderung | — | Single value · 2026-11374 |
| Turbidity | 0,01 NTU | 1 NTU | — | Single value · 2026-11374 |
* 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 (5)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 65 mg/l | — | — | Single value · 2026-11374 |
| Carbonate hardness | 5,6 °dH | — | — | Single value · 2026-11374 |
| Magnesium | 13 mg/l | — | — | Single value · 2026-11374 |
| Potassium | 2,7 mg/l | — | — | Single value · 2026-11374 |
| Total hardness | 12 °dH | — | — | Single value · 2026-11374 |
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.
Harzwasser
Wasserverband Garbsen-NeustadtAssigned 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 31/12/2019. 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 | 5,9 mg/l | 50 mg/l | 12 % | Single value · Harzwasser |
| Sulphate | 23,7 mg/l | 250 mg/l | 9 % | Single value · Harzwasser |
| Sodium | 7,4 mg/l | 200 mg/l | 4 % | Single value · Harzwasser |
Show all recorded parameters (15 — most recent value per parameter)
Chemical parameters (3)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Fluoride | 0,20 mg/l | 1.5 mg/l | 13 % | Single value · Harzwasser |
| Nitrate | 5,9 mg/l | 50 mg/l | 12 % | Single value · Harzwasser |
| Nitrite | 0,001 mg/l | 0.5 mg/l | 0.2 % | Single value · Harzwasser |
Indicator parameters (7)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Ammonium | < 0,01 mg/l below limit of quantification | 0.5 mg/l | < 2 % * | Single value · Harzwasser |
| Chloride | 11,8 mg/l | 250 mg/l | 5 % | Single value · Harzwasser |
| Iron | < 0,001 mg/l below limit of quantification | 0.2 mg/l | < 0.5 % * | Single value · Harzwasser |
| Manganese | < 0,001 mg/l below limit of quantification | 50 µg/l | < 2 % * | Single value · Harzwasser |
| pH | 9,08 – | 6,5–9,5 | — | Single value · Harzwasser |
| Sodium | 7,4 mg/l | 200 mg/l | 4 % | Single value · Harzwasser |
| Sulphate | 23,7 mg/l | 250 mg/l | 9 % | Single value · Harzwasser |
* 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 (5)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 15,4 mg/l | — | — | Single value · Harzwasser |
| Hardness range (WRMG) | weich – | — | — | Single value · Harzwasser |
| Magnesium | 3,1 mg/l | — | — | Single value · Harzwasser |
| Phosphate | < 0,006 mg/l below limit of quantification | — | — | Single value · Harzwasser |
| Potassium | 0,9 mg/l | — | — | Single value · Harzwasser |
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.
Frequent questions about postcode 31535
- How hard is the water in Postcode 31535?
- Wasserverband Garbsen-Neustadt publishes a total hardness of 17 °dH for the supply zone Garbsen (hardness range hard). 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: 25.03.2026, retrieved on 11/07/2026.
- How much nitrate is in the drinking water in Postcode 31535?
- Wasserverband Garbsen-Neustadt publishes a nitrate value of 7,7 mg/l for the supply zone Garbsen. The statutory parametric value is 50 mg/l; the measured value represents 15 % of the parametric value. Basis: 25.03.2026, retrieved on 11/07/2026.
- Who supplies the drinking water in Postcode 31535?
- Wasserverband Garbsen-Neustadt. The values shown here come from the supply zone Garbsen 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.