Drinking water in Bendorf
2 supply zones — values can differ depending on the district. Below is the zone with the most documented parameters, the others collapsed underneath. 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.
HB Grossbachtal (WW), TW
TWIST RLP - HB Grossbachtal (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 | 0.019 µg/L | 0.1 µg/l | 19 % | Mean · HB Grossbachtal (WW), TW |
| Nitrate | 15 mg/L | 50 mg/l | 30 % | Mean · HB Grossbachtal (WW), TW |
| Lead | < 1 µg/L below limit of quantification | 10 µg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| Escherichia coli (E. coli) | 0 Anzahl/100ml | 0/100 ml | — | Mean · HB Grossbachtal (WW), TW |
| Sulphate | 47 mg/L | 250 mg/l | 19 % | Mean · HB Grossbachtal (WW), TW |
| Sodium | 26 mg/L | 200 mg/l | 13 % | Mean · HB Grossbachtal (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 · HB Grossbachtal (WW), TW |
Chemical parameters (14)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Antimony | < 0.5 µg/L below limit of quantification | 5 µg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| Arsenic | < 1 µg/L below limit of quantification | 10 µg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| Boron | < 0.1 mg/L below limit of quantification | 1 mg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| Cadmium | < 0.3 µg/L below limit of quantification | 3 µg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| Copper | < 0.05 mg/L below limit of quantification | 2 mg/l | < 3 % * | Mean · HB Grossbachtal (WW), TW |
| Cyanide | < 0.005 mg/L below limit of quantification | 50 µg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| Fluoride | 0.36 mg/L | 1.5 mg/l | 24 % | Mean · HB Grossbachtal (WW), TW |
| Lead | < 1 µg/L below limit of quantification | 10 µg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| Mercury | < 0.1 µg/L below limit of quantification | 1 µg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| Nickel | 5.9 µg/L | 20 µg/l | 30 % | Mean · HB Grossbachtal (WW), TW |
| Nitrate | 15 mg/L | 50 mg/l | 30 % | Mean · HB Grossbachtal (WW), TW |
| Nitrite | < 0.05 mg/L below limit of quantification | 0.5 mg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| Selenium | < 1 µg/L below limit of quantification | 10 µg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| Uranium | 3.4 µg/L | 10 µg/l | 34 % | Mean · HB Grossbachtal (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 | 0.019 µg/L | 0.1 µg/l | 19 % | Mean · HB Grossbachtal (WW), TW |
Indicator parameters (10)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aluminium | < 0.02 mg/L below limit of quantification | 0.2 mg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| Ammonium | < 0.05 mg/L below limit of quantification | 0.5 mg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| Chloride | 22 mg/L | 250 mg/l | 9 % | Mean · HB Grossbachtal (WW), TW |
| Coliform bacteria | 0 Anzahl/100ml | 0/100 ml | — | Mean · HB Grossbachtal (WW), TW |
| Iron | < 0.02 mg/L below limit of quantification | 0.2 mg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| Manganese | < 0.005 mg/L below limit of quantification | 50 µg/l | < 10 % * | Mean · HB Grossbachtal (WW), TW |
| pH | 7.37 - | 6,5–9,5 | — | Mean · HB Grossbachtal (WW), TW |
| Sodium | 26 mg/L | 200 mg/l | 13 % | Mean · HB Grossbachtal (WW), TW |
| Sulphate | 47 mg/L | 250 mg/l | 19 % | Mean · HB Grossbachtal (WW), TW |
| Temperature | 15 °C | — | — | Mean · HB Grossbachtal (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 | 100 mg/L | — | — | Mean · HB Grossbachtal (WW), TW |
| Magnesium | 26 mg/L | — | — | Mean · HB Grossbachtal (WW), TW |
| Potassium | 4.4 mg/L | — | — | Mean · HB Grossbachtal (WW), TW |
| Total hardness | 3.15 mmol/l | — | — | Mean · HB Grossbachtal (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: 56170
Show 1 more supply zone
Wasserwerk HB Großbachtal, Probenahmestelle: Rathaus 3, Untere Rheinau 60, NE
BendorfAssigned 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 | 15,0000 mg/L | 50 mg/l | 30 % | Single value |
| Lead | < 1,0000 µg/L below limit of quantification | 10 µg/l | < 10 % * | Single value |
| Escherichia coli (E. coli) | 0,0000 Anzahl/100ml | 0/100 ml | — | Single value |
| Sulphate | 47,0000 mg/L | 250 mg/l | 19 % | Single value |
| Sodium | 26,0000 mg/L | 200 mg/l | 13 % | 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 (89 — most recent value per parameter)
Microbiology (2)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Escherichia coli (E. coli) | 0,0000 Anzahl/100ml | 0/100 ml | — | Single value |
| Intestinal enterococci | 0,0000 Anzahl/100ml | 0/100 ml | — | Single value |
Chemical parameters (63)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| 1,1,1-Trichloroethane | < 1,0000¹ µg/L below limit of quantification | — | — | Single value |
| 1,2-dichloroethane | < 0,3000 µg/L below limit of quantification | 3 µg/l | < 10 % * | Single value |
| Acrylamide | < 0,0300 µg/L below limit of quantification | 0.1 µg/l | < 30 % * | Single value |
| Antimony | < 0,5000 µg/L below limit of quantification | 5 µg/l | < 10 % * | Single value |
| Arsenic | < 1,0000 µg/L below limit of quantification | 10 µg/l | < 10 % * | Single value |
| Atrazine | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Bentazone | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Benzene | < 0,2000 µg/L below limit of quantification | 1 µg/l | < 20 % * | Single value |
| Benzo(a)pyrene | < 0,0025 µg/L below limit of quantification | 10 ng/l | < 25 % * | Single value |
| Benzo(b)fluoranthene | < 0,0100 µg/L below limit of quantification | — | — | Single value |
| Benzo(ghi)perylene | < 0,0100 µg/L below limit of quantification | — | — | Single value |
| Benzo(k)fluoranthene | < 0,0100 µg/L below limit of quantification | — | — | Single value |
| Bisphenol A | < 0,3000 µg/L below limit of quantification | 2.5 µg/l | < 12 % * | Single value |
| Boron | < 0,1000 mg/L below limit of quantification | 1 mg/l | < 10 % * | Single value |
| Boscalid | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Bromacil | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Bromate | < 2,5000 µg/L below limit of quantification | 10 µg/l | < 25 % * | Single value |
| Bromodichloromethane | < 2,0000¹ µg/L below limit of quantification | — | — | Single value |
| Cadmium | < 0,3000 µg/L below limit of quantification | 3 µg/l | < 10 % * | Single value |
| Chloridazon | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Chlorotoluron | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Chromium | < 5,0000 µg/L below limit of quantification | 25 µg/l | < 20 % * | Single value |
| Copper | < 0,0500 mg/L below limit of quantification | 2 mg/l | < 3 % * | Single value |
| Cyanide | < 0,0050 mg/L below limit of quantification | 50 µg/l | < 10 % * | Single value |
| Desethylatrazine | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Desisopropylatrazine | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Dibromochloromethane | < 2,0000¹ µg/L below limit of quantification | — | — | Single value |
| Dichlorprop | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Diflufenican | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Dimethachlor | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Dimethenamid | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Diuron | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Epichlorohydrin | < 0,1000¹ µg/L below limit of quantification | 0.1 µg/l | — | Single value |
| Flufenacet | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Fluoride | 0,3600 mg/L | 1.5 mg/l | 24 % | Single value |
| Glyphosate | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Indeno(1,2,3-cd)pyrene | < 0,0100 µg/L below limit of quantification | — | — | Single value |
| Isoproturon | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Lead | < 1,0000 µg/L below limit of quantification | 10 µg/l | < 10 % * | Single value |
| Lenacil | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| MCPA | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Mecoprop | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Mercury | < 0,1000 µg/L below limit of quantification | 1 µg/l | < 10 % * | Single value |
| Metalaxyl | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Metazachlor | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Metolachlor | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Metolachlor sulfonic acid | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Nickel | 5,9000 µg/L | 20 µg/l | 30 % | Single value |
| Nitrate | 15,0000 mg/L | 50 mg/l | 30 % | Single value |
| Nitrite | < 0,0500 mg/L below limit of quantification | 0.5 mg/l | < 10 % * | Single value |
| Propazine | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Propiconazole | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Selenium | < 1,0000 µg/L below limit of quantification | 10 µg/l | < 10 % * | Single value |
| Simazine | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Tebuconazole | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Terbuthylazine | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Tetrachloroethene | < 1,0000¹ µg/L below limit of quantification | — | — | Single value |
| Tetrachloromethane | < 1,0000¹ µg/L below limit of quantification | — | — | Single value |
| Tribromomethane (bromoform) | < 2,0000¹ µg/L below limit of quantification | — | — | Single value |
| Trichloroethene | < 1,0000¹ µg/L below limit of quantification | — | — | Single value |
| Trichloromethane (chloroform) | < 2,0000¹ µg/L below limit of quantification | — | — | Single value |
| Uranium | 3,4000 µg/L | 10 µg/l | 34 % | Single value |
| Vinyl chloride | < 0,2000¹ µg/L below limit of quantification | 0.5 µg/l | — | 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.
PFAS (1)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Trifluoroacetic acid (TFA) | < 1,0000 µg/L below limit of quantification | 60 µg/l UBA guide value | < 2 % * | 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.
For trifluoroacetic acid (TFA), the German Drinking Water Ordinance does not specify a parametric value. The comparison is therefore made with the guide value of 60 µg/l issued by the Umweltbundesamt, which has replaced the earlier health-related guidance value of 3 µg/l. A guide value is not a legal maximum but a health-related classification.
Metabolites (2)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Desphenyl-chloridazon | < 0,0300 µg/L below limit of quantification | — | — | Single value |
| Metazachlor sulfonic acid BH 479-8 | < 0,0300 µg/L below limit of quantification | — | — | Single value |
Indicator parameters (17)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aluminium | < 0,0200 mg/L below limit of quantification | 0.2 mg/l | < 10 % * | Single value |
| Ammonium | < 0,0500 mg/L below limit of quantification | 0.5 mg/l | < 10 % * | Single value |
| Calcite dissolution capacity | -23,0000 mg/L | 5 mg/l CaCO3 | — | Single value |
| Chloride | 22,0000 mg/L | 250 mg/l | 9 % | Single value |
| Coliform bacteria | 0,0000 Anzahl/100ml | 0/100 ml | — | Single value |
| Colony count 22 °C | 0,0000 Anzahl/ml | ohne anormale Veränderung | — | Single value |
| Colony count 36 °C | 0,0000 Anzahl/ml | ohne anormale Veränderung | — | Single value |
| Colour | < 0,1000 1/m below limit of quantification | 0.5 m⁻¹ | — | Single value |
| Iron | < 0,0200 mg/L below limit of quantification | 0.2 mg/l | < 10 % * | Single value |
| Manganese | < 0,0050 mg/L below limit of quantification | 50 µg/l | < 10 % * | Single value |
| Odour | 1,0000 TON | für den Verbraucher annehmbar | — | Single value |
| pH | 7,1830 - | 6,5–9,5 | — | Single value |
| Sodium | 26,0000 mg/L | 200 mg/l | 13 % | Single value |
| Sulphate | 47,0000 mg/L | 250 mg/l | 19 % | Single value |
| Temperature | 17,0000 °C | — | — | Single value |
| Total organic carbon (TOC) | < 1,0000 mg/L below limit of quantification | ohne anormale Veränderung | — | Single value |
| Turbidity | < 0,1000 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 | 100,0000 mg/L | — | — | Single value |
| Magnesium | 26,0000 mg/L | — | — | Single value |
| Potassium | 4,4000 mg/L | — | — | Single value |
| Total hardness | 20,0000 Grad dH | — | — | 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.
Postcodes in this zone: 56170
Frequently asked questions about drinking water in Bendorf
- How hard is the water in Bendorf?
- TWIST RLP - HB Grossbachtal (WW), TW publishes a total hardness of 3.15 mmol/l for the supply zone HB Grossbachtal (WW), TW — that corresponds to 17.7 °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 Bendorf?
- TWIST RLP - HB Grossbachtal (WW), TW publishes a nitrate value of 15 mg/L for the supply zone HB Grossbachtal (WW), TW. The statutory parametric value is 50 mg/l; the measured value represents 30 % of the parametric value. Basis: Publication by the water supplier, retrieved on 13/07/2026.
- Are PFAS detectable in the drinking water in Bendorf?
- TWIST RLP - HB Grossbachtal (WW), TW publishes for the supply zone HB Grossbachtal (WW), TW a sum value PFAS-20 of 0.019 µg/L. The statutory parametric value is 0.1 µg/l; the measured value represents 19 % 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 Bendorf?
- TWIST RLP - HB Grossbachtal (WW), TW. The values shown here come from the supply zone HB Grossbachtal (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.