How hard is the water in Wil SG?

Stadt Villach - Wasserwerk publishes a total hardness of 12.3 °dH for the supply zone 9500, Barbara Quelle (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: 2025-05-13, retrieved on 08/08/2026.

Who supplies the drinking water in Wil SG?

Stadt Villach - Wasserwerk. The values shown here come from the supply zone 9500, Barbara Quelle 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 Wil SG

3 supply zones — values can differ depending on the district. Below is the zone with the most documented parameters, the others collapsed underneath. To determine the exact match, look up the postcode.

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.

9500, Barbara Quelle

Stadt Villach - Wasserwerk

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 13/05/2025. 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

12.3 °dH

Hardness range medium

Key values 9500, Barbara Quelle
Parameter	Value	Parametric value	Share of the parametric value	Reference
Sulphate	8,7 mg/l	250 mg/l	3 %	Maximum · 9500, Barbara Quelle

Show all recorded parameters (7 — most recent value per parameter)

Indicator parameters (3)

Indicator parameters – 9500, Barbara Quelle
Parameter	Value	Parametric value	Share of the parametric value	Reference
Conductivity (25 °C)	410 µS/cm	2,500 µS/cm	—	Maximum · 9500, Barbara Quelle
pH	7,8	6,5–9,5	—	Maximum · 9500, Barbara Quelle
Sulphate	8,7 mg/l	250 mg/l	3 %	Maximum · 9500, Barbara Quelle

Further parameters (4)

Further parameters – 9500, Barbara Quelle
Parameter	Value	Parametric value	Share of the parametric value	Reference
Calcium	56 mg/l	400 mg/l	14 %	Maximum · 9500, Barbara Quelle
Carbonate hardness	11,7 °dH	—	—	Maximum · 9500, Barbara Quelle
Magnesium	19,2 mg/l	150 mg/l	13 %	Maximum · 9500, Barbara Quelle
Total hardness	12,3 °dH	—	—	Maximum · 9500, Barbara Quelle

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://www.trinkwasserinfo.at/datenbank?no_cache=1&tx_abatrinkwdb_pi1_anlagenid=427&tx_abatrinkwdb_pi1_plz=9500&tx_abatrinkwdb_pi1_suche=1&cHash=d37b20bfbeb8ac0889f28b3adb70d444 · 2025-05-13 · 2025-05-13 · retrieved on 08/08/2026

Postcodes in this zone: 9500

Show 2 more supply zones

9500, Brunnen Urlaken

Stadt Villach - Wasserwerk

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

Water hardness

16 °dH

Hardness range hard

Key values 9500, Brunnen Urlaken
Parameter	Value	Parametric value	Share of the parametric value	Reference
Nitrate	7,5 mg/l	50 mg/l	15 %	Maximum · 9500, Brunnen Urlaken
Sulphate	29,7 mg/l	250 mg/l	12 %	Maximum · 9500, Brunnen Urlaken
Sodium	12,1 mg/l	200 mg/l	6 %	Maximum · 9500, Brunnen Urlaken

Show all recorded parameters (11 — most recent value per parameter)

Chemical parameters (1)

Chemical parameters – 9500, Brunnen Urlaken
Parameter	Value	Parametric value	Share of the parametric value	Reference
Nitrate	7,5 mg/l	50 mg/l	15 %	Maximum · 9500, Brunnen Urlaken

Indicator parameters (5)

Indicator parameters – 9500, Brunnen Urlaken
Parameter	Value	Parametric value	Share of the parametric value	Reference
Chloride	23,7 mg/l	200 mg/l	12 %	Maximum · 9500, Brunnen Urlaken
Conductivity (25 °C)	580 µS/cm	2,500 µS/cm	—	Maximum · 9500, Brunnen Urlaken
pH	7,4	6,5–9,5	—	Maximum · 9500, Brunnen Urlaken
Sodium	12,1 mg/l	200 mg/l	6 %	Maximum · 9500, Brunnen Urlaken
Sulphate	29,7 mg/l	250 mg/l	12 %	Maximum · 9500, Brunnen Urlaken

Further parameters (5)

Further parameters – 9500, Brunnen Urlaken
Parameter	Value	Parametric value	Share of the parametric value	Reference
Calcium	83 mg/l	400 mg/l	21 %	Maximum · 9500, Brunnen Urlaken
Carbonate hardness	14 °dH	—	—	Maximum · 9500, Brunnen Urlaken
Magnesium	18,9 mg/l	150 mg/l	13 %	Maximum · 9500, Brunnen Urlaken
Potassium	4,1 mg/l	50 mg/l	8 %	Maximum · 9500, Brunnen Urlaken
Total hardness	16 °dH	—	—	Maximum · 9500, Brunnen Urlaken

Postcodes in this zone: 9500

9500, Union Quelle

Stadt Villach - Wasserwerk

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

Water hardness

10.4 °dH

Hardness range medium

Key values 9500, Union Quelle
Parameter	Value	Parametric value	Share of the parametric value	Reference
Sulphate	6,1 mg/l	250 mg/l	2 %	Maximum · 9500, Union Quelle
Sodium	2,2 mg/l	200 mg/l	1 %	Maximum · 9500, Union Quelle

Show all recorded parameters (9 — most recent value per parameter)

Indicator parameters (5)

Indicator parameters – 9500, Union Quelle
Parameter	Value	Parametric value	Share of the parametric value	Reference
Chloride	3,5 mg/l	200 mg/l	2 %	Maximum · 9500, Union Quelle
Conductivity (25 °C)	340 µS/cm	2,500 µS/cm	—	Maximum · 9500, Union Quelle
pH	7,8	6,5–9,5	—	Maximum · 9500, Union Quelle
Sodium	2,2 mg/l	200 mg/l	1 %	Maximum · 9500, Union Quelle
Sulphate	6,1 mg/l	250 mg/l	2 %	Maximum · 9500, Union Quelle

Further parameters (4)

Further parameters – 9500, Union Quelle
Parameter	Value	Parametric value	Share of the parametric value	Reference
Calcium	55 mg/l	400 mg/l	14 %	Maximum · 9500, Union Quelle
Carbonate hardness	9,6 °dH	—	—	Maximum · 9500, Union Quelle
Magnesium	11,5 mg/l	150 mg/l	8 %	Maximum · 9500, Union Quelle
Total hardness	10,4 °dH	—	—	Maximum · 9500, Union Quelle

Postcodes in this zone: 9500

Frequently asked questions about drinking water in Wil SG

How hard is the water in Wil SG?: Stadt Villach - Wasserwerk publishes a total hardness of 12.3 °dH for the supply zone 9500, Barbara Quelle (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: 2025-05-13, retrieved on 08/08/2026.
Who supplies the drinking water in Wil SG?: Stadt Villach - Wasserwerk. The values shown here come from the supply zone 9500, Barbara Quelle 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.