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Drinking water in 46537

One supply zone, water supplier: Stadtwerke Dinslaken.

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 Voerde-Löhnen, Trinkwasser (00-0570)

Stadtwerke Dinslaken

Assigned 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.

Key values Wasserwerk Voerde-Löhnen, Trinkwasser (00-0570)
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 18,8 mg/l 50 mg/l
38 %
Single value
Sodium 11 mg/l 200 mg/l
5 %
Single value
Show all recorded parameters (4 — most recent value per parameter)

Chemical parameters (2)

Chemical parameters – Wasserwerk Voerde-Löhnen, Trinkwasser (00-0570)
Parameter Value Parametric value Share of the parametric value Reference
Fluoride <0,05 mg/l
below limit of quantification
1.5 mg/l
< 3 % *
Single value
Nitrate 18,8 mg/l 50 mg/l
38 %
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 (2)

Indicator parameters – Wasserwerk Voerde-Löhnen, Trinkwasser (00-0570)
Parameter Value Parametric value Share of the parametric value Reference
pH 7,86 6,5–9,5 Single value
Sodium 11 mg/l 200 mg/l
5 %
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.

Frequent questions about postcode 46537

How much nitrate is in the drinking water in Postcode 46537?
Stadtwerke Dinslaken publishes a nitrate value of 18,8 mg/l for the supply zone Wasserwerk Voerde-Löhnen, Trinkwasser (00-0570). The statutory parametric value is 50 mg/l; the measured value represents 38 % of the parametric value. Basis: Publication by the water supplier, retrieved on 11/07/2026.
Who supplies the drinking water in Postcode 46537?
Stadtwerke Dinslaken. The values shown here come from the supply zone Wasserwerk Voerde-Löhnen, Trinkwasser (00-0570) 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.