Lakes in Sarthe, France
Find lakes in Sarthe: county page for 1 named lakes in France. 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 |
|---|---|---|---|---|---|
| Etang des Varennes | Sarthe | 115 µg/L | 14 µg/L | 1.0 m | 2024 |
Frequently asked questions
- How many named lakes are in Sarthe?
- 1 named lakes in Sarthe, France, have official phosphorus, chlorophyll-a, and Secchi, 2024. Values are measurements, not a LakeQuality A–F grade.
- Does LakeQuality grade lakes in Sarthe?
- No. Sarthe pages show official phosphorus, chlorophyll-a, and Secchi from the publishing authority. A letter on the LakeQuality scale would be an invention.