Drinking water in Rothenburg/O.L.
One supply zone, water supplier: Stadtwerke Rothenburg.
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.
WW Rothenburg, Reinwasser
Stadtwerke RothenburgAssigned 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 11/06/2025. 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
9.3 °dH
Hardness range medium
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Nitrate | 0,91 mg/l | 50 mg/l | 2 % | Single value |
| Lead | <0,0005 mg/l below limit of quantification | 10 µg/l | < 5 % * | Single value |
| Sulphate | 100 mg/l | 250 mg/l | 40 % | Single value |
| Sodium | 13,8 mg/l | 200 mg/l | 7 % | 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 (114 — most recent value per parameter)
Microbiology (1)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Intestinal enterococci | 0 in 100 ml | 0/100 ml | — | Single value |
Chemical parameters (66)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| 1,1,1-Trichloroethane | <0,0002 mg/l below limit of quantification | — | — | Single value |
| 1,2-dichloroethane | <0,0002 mg/l below limit of quantification | 3 µg/l | < 7 % * | Single value |
| 2,4-D | <0,00002 mg/l below limit of quantification | — | — | Single value |
| Antimony | 0,000065 mg/l | 5 µg/l | 1 % | Single value |
| Arsenic | <0,0005 mg/l below limit of quantification | 10 µg/l | < 5 % * | Single value |
| Atrazine | <0,00001 mg/l below limit of quantification | — | — | Single value |
| Bentazone | <0,00002 mg/l below limit of quantification | — | — | Single value |
| Benzene | <0,0002 mg/l below limit of quantification | 1 µg/l | < 20 % * | Single value |
| Benzo(a)pyrene | <0,000005 mg/l below limit of quantification | 10 ng/l | < 50 % * | Single value |
| Benzo(b)fluoranthene | <0,000005 mg/l below limit of quantification | — | — | Single value |
| Benzo(ghi)perylene | <0,000005 mg/l below limit of quantification | — | — | Single value |
| Benzo(k)fluoranthene | <0,000005 mg/l below limit of quantification | — | — | Single value |
| Bisphenol A | <0,0001 mg/l below limit of quantification | 2.5 µg/l | < 4 % * | Single value |
| Boron | 0,029 mg/l | 1 mg/l | 3 % | Single value |
| Bromate | <0,003 mg/l below limit of quantification | 10 µg/l | < 30 % * | Single value |
| Bromodichloromethane | <0,0002 mg/l below limit of quantification | — | — | Single value |
| Cadmium | <0,00003 mg/l below limit of quantification | 3 µg/l | < 1 % * | Single value |
| Carbofuran | <0,00002 mg/l below limit of quantification | — | — | Single value |
| Chlorate | 0,017 mg/l | 70 µg/l | 24 % | Single value |
| Chlorite | <0,05 mg/l below limit of quantification | 0.2 mg/l | < 25 % * | Single value |
| Chromium | 0,00010 mg/l | 25 µg/l | 0.4 % | Single value |
| Copper | <0,004 mg/l below limit of quantification | 2 mg/l | < 0.2 % * | Single value |
| Cyanazine | <0,00001 mg/l below limit of quantification | — | — | Single value |
| Cyanide | <0,005 mg/l below limit of quantification | 50 µg/l | < 10 % * | Single value |
| Desethylatrazine | <0,00001 mg/l below limit of quantification | — | — | Single value |
| Desisopropylatrazine | <0,00001 mg/l below limit of quantification | — | — | Single value |
| Dibromoacetic acid | <0,001 mg/l below limit of quantification | — | — | Single value |
| Dibromochloromethane | <0,0002 mg/l below limit of quantification | — | — | Single value |
| Dicamba | <0,00002 mg/l below limit of quantification | — | — | Single value |
| Dichloroacetic acid | <0,001 mg/l below limit of quantification | — | — | Single value |
| Dichloromethane | <0,0002 mg/l below limit of quantification | — | — | Single value |
| Dimethachlor | <0,00002 mg/l below limit of quantification | — | — | Single value |
| Dimethoate | <0,00002 mg/l below limit of quantification | — | — | Single value |
| Fluoranthene | <0,000005 mg/l below limit of quantification | — | — | Single value |
| Fluoride | 0,03 mg/l | 1.5 mg/l | 2 % | Single value |
| Haloacetic acids (HAA) | <0,005 mg/l below limit of quantification | — | — | Single value |
| Indeno(1,2,3-cd)pyrene | <0,000005 mg/l below limit of quantification | — | — | Single value |
| Lead | <0,0005 mg/l below limit of quantification | 10 µg/l | < 5 % * | Single value |
| MCPA | <0,00002 mg/l below limit of quantification | — | — | Single value |
| Mercury | <0,0001 mg/l below limit of quantification | 1 µg/l | < 10 % * | Single value |
| Metazachlor | <0,00002 mg/l below limit of quantification | — | — | Single value |
| Metolachlor | <0,00002 mg/l below limit of quantification | — | — | Single value |
| Metribuzin | <0,00001 mg/l below limit of quantification | — | — | Single value |
| Monobromoacetic acid | <0,001 mg/l below limit of quantification | — | — | Single value |
| Monochloroacetic acid | <0,001 mg/l below limit of quantification | — | — | Single value |
| Nickel | 0,0024 mg/l | 20 µg/l | 12 % | Single value |
| Nitrate | 0,91 mg/l | 50 mg/l | 2 % | Single value |
| Nitrite | <0,01 mg/l below limit of quantification | 0.5 mg/l | < 2 % * | Single value |
| Oxadixyl | <0,00002 mg/l below limit of quantification | — | — | Single value |
| Pendimethalin | <0,00002 mg/l below limit of quantification | — | — | Single value |
| Prometryn | <0,00001 mg/l below limit of quantification | — | — | Single value |
| Propazine | <0,00001 mg/l below limit of quantification | — | — | Single value |
| Selenium | <0,00005 mg/l below limit of quantification | 10 µg/l | < 0.5 % * | Single value |
| Simazine | <0,00001 mg/l below limit of quantification | — | — | Single value |
| Terbuthylazine | <0,00001 mg/l below limit of quantification | — | — | Single value |
| Terbutryn | <0,00001 mg/l below limit of quantification | — | — | Single value |
| Tetrachloroethene | <0,0002 mg/l below limit of quantification | — | — | Single value |
| Tetrachloromethane | <0,0002 mg/l below limit of quantification | — | — | Single value |
| Tri-allate | <0,00002 mg/l below limit of quantification | — | — | Single value |
| Triadimenol | <0,00002 mg/l below limit of quantification | — | — | Single value |
| Tribromomethane (bromoform) | <0,0002 mg/l below limit of quantification | — | — | Single value |
| Trichloroacetic acid | <0,001 mg/l below limit of quantification | — | — | Single value |
| Trichloroethene | <0,0002 mg/l below limit of quantification | — | — | Single value |
| Trichloromethane (chloroform) | <0,0002 mg/l below limit of quantification | — | — | Single value |
| Trihalomethanes — Total | <0,0002 mg/l below limit of quantification | 50 µg/l | < 0.4 % * | Single value |
| Uranium | <0,00005 mg/l below limit of quantification | 10 µg/l | < 0.5 % * | 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 (20)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Perfluorobutane sulfonic acid (PFBS) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluorobutanoic acid (PFBA) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluorodecane sulfonic acid (PFDS) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluorodecanoic acid (PFDA) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluorododecane sulfonic acid (PFDoDS) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluorododecanoic acid (PFDoDA) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluoroheptane sulfonic acid (PFHpS) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluoroheptanoic acid (PFHpA) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluorohexane sulfonic acid (PFHxS) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluorohexanoic acid (PFHxA) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluorononane sulfonic acid (PFNS) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluorononanoic acid (PFNA) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluorooctanesulfonic acid (PFOS) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluorooctanoic acid (PFOA) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluoropentanesulfonic acid (PFPeS) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluoropentanoic acid (PFPeA) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluorotridecanesulfonic acid (PFTrDS) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluorotridecanoic acid (PFTrDA) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluoroundecanesulfonic acid (PFUnDS) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
| Perfluoroundecanoic acid (PFUnDA) | <0,0000015 mg/l below limit of quantification | — | — | Single value |
Indicator parameters (20)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aluminium | 0,005 mg/l | 0.2 mg/l | 3 % | Single value |
| Ammonium | <0,05 mg/l below limit of quantification | 0.5 mg/l | < 10 % * | Single value |
| Calcite dissolution capacity | -0,3 mg/l | 5 mg/l CaCO3 | — | Single value |
| Chloride | 28 mg/l | 250 mg/l | 11 % | Single value |
| Clostridium perfringens (including spores) | 0 in 100 ml | 0/100 ml | — | Single value |
| Coliform bacteria | 0 in 100 ml | 0/100 ml | — | Single value |
| Colony count 22 °C | 1 in 1 ml | ohne anormale Veränderung | — | Single value |
| Colony count 36 °C | 0 in 1 ml | ohne anormale Veränderung | — | Single value |
| Conductivity (25 °C) | 437 µS/cm | 2,790 µS/cm | — | Single value |
| Iron | <0,010 mg/l below limit of quantification | 0.2 mg/l | < 5 % * | Single value |
| Manganese | <0,005 mg/l below limit of quantification | 50 µg/l | < 10 % * | Single value |
| Odour | ohne | für den Verbraucher annehmbar | — | Single value |
| pH | 8,0 | 6,5–9,5 | — | Single value |
| Sodium | 13,8 mg/l | 200 mg/l | 7 % | Single value |
| Sulphate | 100 mg/l | 250 mg/l | 40 % | Single value |
| Taste | ohne | für den Verbraucher annehmbar | — | Single value |
| Temperature | 12,5 °C | — | — | Single value |
| Threshold odour number (TON) | <1 below limit of quantification | — | — | Single value |
| Total organic carbon (TOC) | 2,6 mg/l | ohne anormale Veränderung | — | Single value |
| Turbidity | 0,17 NTU | 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.
Treatment substances (1)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Total chlorine | 0,05 mg/l | — | — | Single value |
Further parameters (6)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 53,8 mg/l | — | — | Single value |
| Magnesium | 7,54 mg/l | — | — | Single value |
| Oxygen | 10,0 mg/l | — | — | Single value |
| Potassium | 5,85 mg/l | — | — | Single value |
| Saturation index | 0,04 | — | — | Single value |
| Total hardness | 9,26 °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.
Source: https://www.sw-rothenburg.de/wp-content/uploads/2025/09/Ro-Pruefbericht-PB2025003699-1.pdf · 25.07.2025 · Entnahmedatum 11.06.2025, 08:45 Uhr · retrieved on 13/07/2026
Postcodes in this zone: 02929
Frequently asked questions about drinking water in Rothenburg/O.L.
- How hard is the water in Rothenburg/O.L.?
- Stadtwerke Rothenburg publishes a total hardness of 9.3 °dH for the supply zone WW Rothenburg, Reinwasser (hardness range medium). 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: 25.07.2025, retrieved on 13/07/2026.
- How much nitrate is in the drinking water in Rothenburg/O.L.?
- Stadtwerke Rothenburg publishes a nitrate value of 0,91 mg/l for the supply zone WW Rothenburg, Reinwasser. The statutory parametric value is 50 mg/l; the measured value represents 2 % of the parametric value. Basis: 25.07.2025, retrieved on 13/07/2026.
- Who supplies the drinking water in Rothenburg/O.L.?
- Stadtwerke Rothenburg. The values shown here come from the supply zone WW Rothenburg, Reinwasser 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.