How much nitrate is in the drinking water in Odenthal?

Wasserversorgungsverband Rhein-Wupper publishes a nitrate value of < 12 Milligramm pro Liter for the supply zone Wasserwerk Schürholz. The statutory parametric value is 50 mg/l; the measured value lies below it and cannot be specified more precisely below the limit of quantification. Basis: 24.02.2026, retrieved on 11/07/2026.

Who supplies the drinking water in Odenthal?

Wasserversorgungsverband Rhein-Wupper. The values shown here come from the supply zone Wasserwerk Schürholz 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.

Drinking water in Odenthal

Q: Who supplies the drinking water in Odenthal?

Wasserversorgungsverband Rhein-Wupper. The values shown here come from the supply zone Wasserwerk Schürholz 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.

One supply zone, water supplier: Wasserversorgungsverband Rhein-Wupper.

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 Schürholz

Wasserversorgungsverband Rhein-Wupper

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

Key values Wasserwerk Schürholz
Parameter	Value	Parametric value	Share of the parametric value	Reference
Nitrate	< 12 Milligramm pro Liter below limit of quantification	50 mg/l	—	Single value

Show all recorded parameters (2 — most recent value per parameter)

Chemical parameters (2)

Chemical parameters – Wasserwerk Schürholz
Parameter	Value	Parametric value	Share of the parametric value	Reference
Nitrate	< 12 Milligramm pro Liter below limit of quantification	50 mg/l	—	Single value
Uranium	< 0,1 Mikrogramm pro Liter Wasser below limit of quantification	10 µg/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.wvv-rhein-wupper.de/qualitaet/ · 24.02.2026 · retrieved on 11/07/2026

Postcodes in this zone: 51519

Frequently asked questions about drinking water in Odenthal

How much nitrate is in the drinking water in Odenthal?: Wasserversorgungsverband Rhein-Wupper publishes a nitrate value of < 12 Milligramm pro Liter for the supply zone Wasserwerk Schürholz. The statutory parametric value is 50 mg/l; the measured value lies below it and cannot be specified more precisely below the limit of quantification. Basis: 24.02.2026, retrieved on 11/07/2026.
Who supplies the drinking water in Odenthal?: Wasserversorgungsverband Rhein-Wupper. The values shown here come from the supply zone Wasserwerk Schürholz 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.