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Drinking water in 41844

For this postcode Kreiswasserwerk Heinsberg 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 4 underneath.

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.

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 Arsbeck
Parameter Value Parametric value Share of the parametric value Reference
Nitrate < 0,5 mg/l
below limit of quantification
50 mg/l
< 1 % *
Single value · Arsbeck
Lead < 0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value · Arsbeck
Sulphate 34,0 mg/l 250 mg/l
14 %
Single value · Arsbeck
Sodium 7,94 mg/l 200 mg/l
4 %
Single value · Arsbeck

* 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 (14 — most recent value per parameter)

Chemical parameters (3)

Chemical parameters – Arsbeck
Parameter Value Parametric value Share of the parametric value Reference
Lead < 0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value · Arsbeck
Nitrate < 0,5 mg/l
below limit of quantification
50 mg/l
< 1 % *
Single value · Arsbeck
Nitrite < 0,02 mg/l
below limit of quantification
0.5 mg/l
< 4 % *
Single value · Arsbeck

* 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 (8)

Indicator parameters – Arsbeck
Parameter Value Parametric value Share of the parametric value Reference
Chloride 18,0 mg/l 250 mg/l
7 %
Single value · Arsbeck
Conductivity (25 °C) 324 µS 2,790 µS/cm Single value · Arsbeck
Iron <0,010 mg/l
below limit of quantification
0.2 mg/l
< 5 % *
Single value · Arsbeck
Manganese <0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value · Arsbeck
pH 7,79 6,5–9,5 Single value · Arsbeck
Sodium 7,94 mg/l 200 mg/l
4 %
Single value · Arsbeck
Sulphate 34,0 mg/l 250 mg/l
14 %
Single value · Arsbeck
Temperature 11,2 °C Single value · Arsbeck

* 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 (3)

Further parameters – Arsbeck
Parameter Value Parametric value Share of the parametric value Reference
Calcium 41,6 mg/l Single value · Arsbeck
Magnesium 11,5 mg/l Single value · Arsbeck
Potassium 1,44 mg/l Single value · Arsbeck

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 4 more supply zones in this postcode

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 Erkelenz
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 30,0 mg/l 50 mg/l
60 %
Single value · Erkelenz
Lead < 0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value · Erkelenz
Sulphate 81,0 mg/l 250 mg/l
32 %
Single value · Erkelenz
Sodium 20,1 mg/l 200 mg/l
10 %
Single value · Erkelenz

* 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 (13 — most recent value per parameter)

Chemical parameters (3)

Chemical parameters – Erkelenz
Parameter Value Parametric value Share of the parametric value Reference
Lead < 0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value · Erkelenz
Nitrate 30,0 mg/l 50 mg/l
60 %
Single value · Erkelenz
Nitrite < 0,02 mg/l
below limit of quantification
0.5 mg/l
< 4 % *
Single value · Erkelenz

* 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 (7)

Indicator parameters – Erkelenz
Parameter Value Parametric value Share of the parametric value Reference
Chloride 45,0 mg/l 250 mg/l
18 %
Single value · Erkelenz
Conductivity (25 °C) 619 µS 2,790 µS/cm Single value · Erkelenz
Iron <0,010 mg/l
below limit of quantification
0.2 mg/l
< 5 % *
Single value · Erkelenz
Manganese <0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value · Erkelenz
pH 7,45 6,5–9,5 Single value · Erkelenz
Sodium 20,1 mg/l 200 mg/l
10 %
Single value · Erkelenz
Sulphate 81,0 mg/l 250 mg/l
32 %
Single value · Erkelenz

* 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 (3)

Further parameters – Erkelenz
Parameter Value Parametric value Share of the parametric value Reference
Calcium 95,5 mg/l Single value · Erkelenz
Magnesium 11,9 mg/l Single value · Erkelenz
Potassium 1,53 mg/l Single value · Erkelenz

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.

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 Uevekoven
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 11,0 mg/l 50 mg/l
22 %
Single value · Uevekoven
Lead < 0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value · Uevekoven
Sulphate 51,0 mg/l 250 mg/l
20 %
Single value · Uevekoven
Sodium 11,3 mg/l 200 mg/l
6 %
Single value · Uevekoven

* 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 (14 — most recent value per parameter)

Chemical parameters (3)

Chemical parameters – Uevekoven
Parameter Value Parametric value Share of the parametric value Reference
Lead < 0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value · Uevekoven
Nitrate 11,0 mg/l 50 mg/l
22 %
Single value · Uevekoven
Nitrite < 0,02 mg/l
below limit of quantification
0.5 mg/l
< 4 % *
Single value · Uevekoven

* 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 (8)

Indicator parameters – Uevekoven
Parameter Value Parametric value Share of the parametric value Reference
Chloride 23,0 mg/l 250 mg/l
9 %
Single value · Uevekoven
Conductivity (25 °C) 494 µS 2,790 µS/cm Single value · Uevekoven
Iron < 0,010 mg/l
below limit of quantification
0.2 mg/l
< 5 % *
Single value · Uevekoven
Manganese < 0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value · Uevekoven
pH 7,85 6,5–9,5 Single value · Uevekoven
Sodium 11,3 mg/l 200 mg/l
6 %
Single value · Uevekoven
Sulphate 51,0 mg/l 250 mg/l
20 %
Single value · Uevekoven
Temperature 11,2 °C Single value · Uevekoven

* 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 (3)

Further parameters – Uevekoven
Parameter Value Parametric value Share of the parametric value Reference
Calcium 73,2 mg/l Single value · Uevekoven
Magnesium 13,7 mg/l Single value · Uevekoven
Potassium 3,67 mg/l Single value · Uevekoven

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.

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 Wassenberg
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 21,0 mg/l 50 mg/l
42 %
Single value · Wassenberg
Lead < 0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value · Wassenberg
Sulphate 42,0 mg/l 250 mg/l
17 %
Single value · Wassenberg
Sodium 17,3 mg/l 200 mg/l
9 %
Single value · Wassenberg

* 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 (13 — most recent value per parameter)

Chemical parameters (3)

Chemical parameters – Wassenberg
Parameter Value Parametric value Share of the parametric value Reference
Lead < 0,003 mg/l
below limit of quantification
10 µg/l
< 30 % *
Single value · Wassenberg
Nitrate 21,0 mg/l 50 mg/l
42 %
Single value · Wassenberg
Nitrite < 0,02 mg/l
below limit of quantification
0.5 mg/l
< 4 % *
Single value · Wassenberg

* 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 (7)

Indicator parameters – Wassenberg
Parameter Value Parametric value Share of the parametric value Reference
Chloride 26,0 mg/l 250 mg/l
10 %
Single value · Wassenberg
Conductivity (25 °C) 508 µS 2,790 µS/cm Single value · Wassenberg
Iron <0,012 mg/l
below limit of quantification
0.2 mg/l
< 6 % *
Single value · Wassenberg
Manganese <0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value · Wassenberg
pH 7,56 6,5–9,5 Single value · Wassenberg
Sodium 17,3 mg/l 200 mg/l
9 %
Single value · Wassenberg
Sulphate 42,0 mg/l 250 mg/l
17 %
Single value · Wassenberg

* 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 (3)

Further parameters – Wassenberg
Parameter Value Parametric value Share of the parametric value Reference
Calcium 67,0 mg/l Single value · Wassenberg
Magnesium 14,2 mg/l Single value · Wassenberg
Potassium 5,62 mg/l Single value · Wassenberg

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.

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

No core values are available for this zone yet.

Frequent questions about postcode 41844

How much nitrate is in the drinking water in Postcode 41844?
Kreiswasserwerk Heinsberg publishes a nitrate value of < 0,5 mg/l for the supply zone Arsbeck. 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: Publication by the water supplier, retrieved on 11/07/2026.
Who supplies the drinking water in Postcode 41844?
Kreiswasserwerk Heinsberg. The values shown here come from the supply zone Arsbeck 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.