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Drinking water in Eyholz, Visp

One supply zone, water supplier: Wasserversorgung Visp / Eyholz.

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.

These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 31/12/2024. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.

Water hardness
7.7 °dH
Hardness range soft
Key values Visp und Eyholz
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 2.1 mg/l 40 mg/l
5 %
Mean · Visp und Eyholz
Escherichia coli (E. coli) nn
not detectable
Unit not stated in the document
0/100 ml Maximum · Median nn · Visp und Eyholz
Sulphate 70.97 mg/l Mean · Visp und Eyholz
Sodium 3.13 mg/l 200 mg/l
2 %
Mean · Visp und Eyholz
Show all recorded parameters (17 — most recent value per parameter)

Microbiology (3)

Microbiology – Visp und Eyholz
Parameter Value Parametric value Share of the parametric value Reference
Aerobic mesophilic bacteria 10 KBE/ml 300 1/ml Mean · Visp und Eyholz
Escherichia coli (E. coli) nn
not detectable
Unit not stated in the document
0/100 ml Maximum · Median nn · Visp und Eyholz
Intestinal enterococci nn
not detectable
Unit not stated in the document
0/100 ml Maximum · Median nn · Visp und Eyholz

Chemical parameters (1)

Chemical parameters – Visp und Eyholz
Parameter Value Parametric value Share of the parametric value Reference
Nitrate 2.1 mg/l 40 mg/l
5 %
Mean · Visp und Eyholz

Indicator parameters (8)

Indicator parameters – Visp und Eyholz
Parameter Value Parametric value Share of the parametric value Reference
Chloride 2.74 mg/l Mean · Visp und Eyholz
Conductivity (25 °C) 304.44 µS/cm Mean · Visp und Eyholz
Iron 0.05 mg/l 0.2 mg/l
25 %
Mean · Visp und Eyholz
Manganese 0.97 mg/l 50 µg/l
1,940 % Mean above the parametric value
Median · Visp und Eyholz
pH 7.99 Mean · Visp und Eyholz
Sodium 3.13 mg/l 200 mg/l
2 %
Mean · Visp und Eyholz
Sulphate 70.97 mg/l Mean · Visp und Eyholz
Turbidity 0.24 TE/F Mean · Visp und Eyholz

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.

Further parameters (5)

Further parameters – Visp und Eyholz
Parameter Value Parametric value Share of the parametric value Reference
Calcium 50.38 mg/l Mean · Visp und Eyholz
Hydrogen carbonate 8.67 mg/l Mean · Visp und Eyholz
Magnesium 8.04 mg/l Mean · Visp und Eyholz
Potassium 2.45 mg/l Mean · Visp und Eyholz
Total hardness 13.7 °fH Mean · Visp und Eyholz

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.

Postcodes in this zone: 3930

Frequently asked questions about drinking water in Eyholz, Visp

How hard is the water in Eyholz, Visp?
Wasserversorgung Visp / Eyholz publishes a total hardness of 13.7 °fH for the supply zone Visp und Eyholz — that corresponds to 7.7 °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: 2024, retrieved on 07/08/2026.
How much nitrate is in the drinking water in Eyholz, Visp?
Wasserversorgung Visp / Eyholz publishes a nitrate value of 2.1 mg/l for the supply zone Visp und Eyholz. The statutory parametric value is 40 mg/l; the measured value represents 5 % of the parametric value. Basis: 2024, retrieved on 07/08/2026.
Who supplies the drinking water in Eyholz, Visp?
Wasserversorgung Visp / Eyholz. The values shown here come from the supply zone Visp und Eyholz 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.