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Drinking water in 24816

For this postcode Stadtwerke Rendsburg GmbH (Stadtwerke SH) 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 3 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.

Water hardness
12.8 °dH
Hardness range medium
Key values Am Armensee
Parameter Value Parametric value Share of the parametric value Reference
Sodium 25,3 mg/l 200 mg/l
13 %
Single value · Am Armensee
Show all recorded parameters (14 — most recent value per parameter)

Chemical parameters (1)

Chemical parameters – Am Armensee
Parameter Value Parametric value Share of the parametric value Reference
Fluoride 0,10 mg/l 1.5 mg/l
7 %
Single value · Am Armensee

Indicator parameters (8)

Indicator parameters – Am Armensee
Parameter Value Parametric value Share of the parametric value Reference
Aluminium <0,01 mg/l
below limit of quantification
0.2 mg/l
< 5 % *
Single value · Am Armensee
Chloride 41 mg/l 250 mg/l
16 %
Single value · Am Armensee
Conductivity (25 °C) 587 µs/cm 2,790 µS/cm Single value · Am Armensee
Iron 0,017 mg/l 0.2 mg/l
9 %
Single value · Am Armensee
Manganese <0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value · Am Armensee
pH 7,62 - 6,5–9,5 Single value · Am Armensee
Sodium 25,3 mg/l 200 mg/l
13 %
Single value · Am Armensee
Temperature 10,6 ° C Single value · Am Armensee

* 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 (5)

Further parameters – Am Armensee
Parameter Value Parametric value Share of the parametric value Reference
Calcium 83,8 mg/l Single value · Am Armensee
Carbonate hardness 10,5 °dH Single value · Am Armensee
Magnesium 4,97 mg/l Single value · Am Armensee
Potassium 2,93 mg/l Single value · Am Armensee
Total hardness 12,8 °dH Mean · Am Armensee

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 3 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.

Water hardness
8.5 °dH
Hardness range medium
Key values RD-Süd (Schwabe)
Parameter Value Parametric value Share of the parametric value Reference
Sodium 40,4 mg/l 200 mg/l
20 %
Single value · RD-Süd (Schwabe)
Show all recorded parameters (14 — most recent value per parameter)

Chemical parameters (1)

Chemical parameters – RD-Süd (Schwabe)
Parameter Value Parametric value Share of the parametric value Reference
Fluoride 0,22 mg/l 1.5 mg/l
15 %
Single value · RD-Süd (Schwabe)

Indicator parameters (8)

Indicator parameters – RD-Süd (Schwabe)
Parameter Value Parametric value Share of the parametric value Reference
Aluminium <0,01 mg/l
below limit of quantification
0.2 mg/l
< 5 % *
Single value · RD-Süd (Schwabe)
Chloride 33 mg/l 250 mg/l
13 %
Single value · RD-Süd (Schwabe)
Conductivity (25 °C) 475 µs/cm 2,790 µS/cm Single value · RD-Süd (Schwabe)
Iron 0,023 mg/l 0.2 mg/l
12 %
Single value · RD-Süd (Schwabe)
Manganese <0,005 mg/l
below limit of quantification
50 µg/l
< 10 % *
Single value · RD-Süd (Schwabe)
pH 7,86 - 6,5–9,5 Single value · RD-Süd (Schwabe)
Sodium 40,4 mg/l 200 mg/l
20 %
Single value · RD-Süd (Schwabe)
Temperature 10,1 ° C Single value · RD-Süd (Schwabe)

* 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 (5)

Further parameters – RD-Süd (Schwabe)
Parameter Value Parametric value Share of the parametric value Reference
Calcium 43,7 mg/l Single value · RD-Süd (Schwabe)
Carbonate hardness 8,5 °dH Single value · RD-Süd (Schwabe)
Magnesium 10,5 mg/l Single value · RD-Süd (Schwabe)
Potassium 4,22 mg/l Single value · RD-Süd (Schwabe)
Total hardness 8,5 °dH Mean · RD-Süd (Schwabe)

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.

Wasserwerk Rendsburg-Süd (Schwabe)

Stadtwerke Rendsburg GmbH (Stadtwerke SH)

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 24816

How hard is the water in Postcode 24816?
Stadtwerke Rendsburg GmbH (Stadtwerke SH) publishes a total hardness of 12.8 °dH for the supply zone Am Armensee (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: Publication by the water supplier, retrieved on 11/07/2026.
Who supplies the drinking water in Postcode 24816?
Stadtwerke Rendsburg GmbH (Stadtwerke SH). The values shown here come from the supply zone Am Armensee 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.