Lakes in Thurgau, Switzerland
Find lakes in Thurgau: county page for 1 named lakes in Switzerland. Official surface phosphorus, chlorophyll-a, and Secchi — not a swim-safety class and not a LakeQuality letter.
Lake map
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Named lakes
| Lake | Place | Total phosphorus | Chlorophyll-a | Secchi | Year |
|---|---|---|---|---|---|
| Lake Constance | Thurgau | — | — | 5.8 m | 2023 |
Frequently asked questions
- How many named lakes are in Thurgau?
- 1 named lakes in Thurgau, Switzerland, have official Secchi, 2023. Values are measurements, not a LakeQuality A–F grade.
- Does LakeQuality grade lakes in Thurgau?
- No. Thurgau pages show official phosphorus, chlorophyll-a, and Secchi from the publishing authority. A letter on the LakeQuality scale would be an invention.