How hard is the water in Niederlenz?

RTB Regionale Technische Betriebe publishes a total hardness of 36.9 °fH for the supply zone Niederlenz — that corresponds to 20.7 °dH. 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: 2026, retrieved on 07/08/2026.

How much nitrate is in the drinking water in Niederlenz?

RTB Regionale Technische Betriebe publishes a nitrate value of 25 mg/l for the supply zone Niederlenz. The statutory parametric value is 40 mg/l; the measured value represents 63 % of the parametric value. Basis: 2026, retrieved on 07/08/2026.

Who supplies the drinking water in Niederlenz?

RTB Regionale Technische Betriebe. The values shown here come from the supply zone Niederlenz 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 Niederlenz

One supply zone, water supplier: RTB Regionale Technische Betriebe.

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.

Niederlenz

RTB Regionale Technische Betriebe

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

Water hardness

20.7 °dH

Hardness range hard

Key values Niederlenz
Parameter	Value	Parametric value	Share of the parametric value	Reference
Nitrate	25 mg/l	40 mg/l	63 %	Mean · Niederlenz
Escherichia coli (E. coli)	nn not detectable Unit not stated in the document	0/100 ml	—	Maximum · Median nn · Niederlenz
Sulphate	21 mg/l	—	—	Mean · Niederlenz
Sodium	11.4 mg/l	200 mg/l	6 %	Mean · Niederlenz

Show all recorded parameters (18 — most recent value per parameter)

Microbiology (3)

Microbiology – Niederlenz
Parameter	Value	Parametric value	Share of the parametric value	Reference
Aerobic mesophilic bacteria	9.75 KBE/ml	300 1/ml	—	Mean · Niederlenz
Escherichia coli (E. coli)	nn not detectable Unit not stated in the document	0/100 ml	—	Maximum · Median nn · Niederlenz
Intestinal enterococci	nn not detectable Unit not stated in the document	0/100 ml	—	Maximum · Median nn · Niederlenz

Chemical parameters (1)

Chemical parameters – Niederlenz
Parameter	Value	Parametric value	Share of the parametric value	Reference
Nitrate	25 mg/l	40 mg/l	63 %	Mean · Niederlenz

Metabolites (2)

Metabolites – Niederlenz
Parameter	Value	Parametric value	Share of the parametric value	Reference
Chlorothalonil metabolite R417888	0.11 µg/l	0.1 µg/l	110 % Mean above the parametric value	Mean · Niederlenz
Chlorothalonil metabolite R471811	0.61 µg/l	0.1 µg/l	610 % Mean above the parametric value	Mean · Niederlenz

Annual means and medians are not individual measured values, but the parametric values apply per sample. If a mean lies above it, at least one individual sample was above it — the mean does not say how many, or by how much. That is why this is not reported here as an exceedance of the parametric value. What counts remains the water supplier's publication, which each row links to.

Indicator parameters (6)

Indicator parameters – Niederlenz
Parameter	Value	Parametric value	Share of the parametric value	Reference
Chloride	17.3 mg/l	—	—	Mean · Niederlenz
pH	7.2	—	—	Mean · Niederlenz
Sodium	11.4 mg/l	200 mg/l	6 %	Mean · Niederlenz
Sulphate	21 mg/l	—	—	Mean · Niederlenz
Temperature	12 °C	—	—	Mean · Niederlenz
Turbidity	< 0.2 TE/F below limit of quantification	—	—	Mean · Niederlenz

Further parameters (6)

Further parameters – Niederlenz
Parameter	Value	Parametric value	Share of the parametric value	Reference
Calcium	120 mg/l	—	—	Mean · Niederlenz
Dissolved organic carbon (DOC)	0.3 mg/l	—	—	Mean · Niederlenz
Hydrogen carbonate	399 mg/l	—	—	Mean · Niederlenz
Magnesium	17.1 mg/l	—	—	Mean · Niederlenz
Potassium	2 mg/l	—	—	Mean · Niederlenz
Total hardness	36.9 °fH	—	—	Mean · Niederlenz

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://trinkwasser.ch/de/versorger/1031/rtb-regionale-technische-betriebe/3759/niederlenz · 2026 · 2026 · retrieved on 07/08/2026

Postcodes in this zone: 5702

Frequently asked questions about drinking water in Niederlenz

How hard is the water in Niederlenz?: RTB Regionale Technische Betriebe publishes a total hardness of 36.9 °fH for the supply zone Niederlenz — that corresponds to 20.7 °dH. 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: 2026, retrieved on 07/08/2026.
How much nitrate is in the drinking water in Niederlenz?: RTB Regionale Technische Betriebe publishes a nitrate value of 25 mg/l for the supply zone Niederlenz. The statutory parametric value is 40 mg/l; the measured value represents 63 % of the parametric value. Basis: 2026, retrieved on 07/08/2026.
Who supplies the drinking water in Niederlenz?: RTB Regionale Technische Betriebe. The values shown here come from the supply zone Niederlenz 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.