Drinking water in Schiefling am Wörthersee, Techelsberg am Wörther See, Velden am Wörther See u.a.
One supply zone, water supplier: Technische Gemeindebetriebe Bischofszell.
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.
Bischofszell
Technische Gemeindebetriebe BischofszellAssigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
Water hardness
15.8 °dH
Hardness range hard
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Nitrate | 11.5 mg/l | 40 mg/l | 29 % | Mean · Bischofszell |
| Escherichia coli (E. coli) | nn not detectable Unit not stated in the document | 0/100 ml | — | Maximum · Median nn · Bischofszell |
Show all recorded parameters (12 — most recent value per parameter)
Microbiology (3)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Aerobic mesophilic bacteria | 16 KBE/ml | 300 1/ml | — | Mean · Bischofszell |
| Escherichia coli (E. coli) | nn not detectable Unit not stated in the document | 0/100 ml | — | Maximum · Median nn · Bischofszell |
| Intestinal enterococci | nn not detectable Unit not stated in the document | 0/100 ml | — | Maximum · Median nn · Bischofszell |
Chemical parameters (1)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Nitrate | 11.5 mg/l | 40 mg/l | 29 % | Mean · Bischofszell |
PFAS (3)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Perfluorohexane sulfonic acid (PFHxS) | 0.3 µg/l | 0.3 µg/l | 100 % | Mean · Bischofszell |
| Perfluorooctanesulfonic acid (PFOS) | 0.3 µg/l | 0.3 µg/l | 100 % | Mean · Bischofszell |
| Perfluorooctanoic acid (PFOA) | 0.5 µg/l | 0.5 µg/l | 100 % | Mean · Bischofszell |
Metabolites (2)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Chlorothalonil metabolite R417888 | 0 µg/l | 0.1 µg/l | 0 % | Mean · Bischofszell |
| Chlorothalonil metabolite R471811 | 0 µg/l | 0.1 µg/l | 0 % | Mean · Bischofszell |
Further parameters (3)
| Parameter | Value | Parametric value | Share of the parametric value | Reference |
|---|---|---|---|---|
| Calcium | 89 mg/l | — | — | Mean · Bischofszell |
| Magnesium | 14.6 mg/l | — | — | Mean · Bischofszell |
| Total hardness | 28.2 °fH | — | — | Mean · Bischofszell |
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/1072/technische-gemeindebetriebe-bischofszell/3270/bischofszell · 2025 · 2025 · retrieved on 07/08/2026
Postcodes in this zone: 9220
Frequently asked questions about drinking water in Schiefling am Wörthersee, Techelsberg am Wörther See, Velden am Wörther See u.a.
- How hard is the water in Schiefling am Wörthersee, Techelsberg am Wörther See, Velden am Wörther See u.a.?
- Technische Gemeindebetriebe Bischofszell publishes a total hardness of 28.2 °fH for the supply zone Bischofszell — that corresponds to 15.8 °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: 2025, retrieved on 07/08/2026.
- How much nitrate is in the drinking water in Schiefling am Wörthersee, Techelsberg am Wörther See, Velden am Wörther See u.a.?
- Technische Gemeindebetriebe Bischofszell publishes a nitrate value of 11.5 mg/l for the supply zone Bischofszell. The statutory parametric value is 40 mg/l; the measured value represents 29 % of the parametric value. Basis: 2025, retrieved on 07/08/2026.
- Who supplies the drinking water in Schiefling am Wörthersee, Techelsberg am Wörther See, Velden am Wörther See u.a.?
- Technische Gemeindebetriebe Bischofszell. The values shown here come from the supply zone Bischofszell 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.