Lakes in Lot-et-Garonne, France
Find lakes in Lot-et-Garonne: county page for 7 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 |
|---|---|---|---|---|---|
| Barrage du Brayssou | Lot-et-Garonne | — | 8.2 µg/L | 1.1 m | 2023 |
| Lac de Beaupuy | Lot-et-Garonne | 35 µg/L | 10 µg/L | 1.3 m | 2023 |
| Lac de Clarens | Lot-et-Garonne | 14 µg/L | 8.0 µg/L | 1.9 m | 2023 |
| Lac de Coulon | Lot-et-Garonne | 91 µg/L | 25 µg/L | 0.8 m | 2024 |
| Lac de Marou | Lot-et-Garonne | 10 µg/L | 3.0 µg/L | 1.0 m | 2022 |
| Lac de Passeligne | Lot-et-Garonne | 33 µg/L | 5.6 µg/L | 0.9 m | 2024 |
| Lac des Graoussettes | Lot-et-Garonne | 40 µg/L | 12 µg/L | 0.6 m | 2022 |
Frequently asked questions
- How many named lakes are in Lot-et-Garonne?
- 7 named lakes in Lot-et-Garonne, France, have official phosphorus, chlorophyll-a, and Secchi, 2022–2024. Values are measurements, not a LakeQuality A–F grade.
- Does LakeQuality grade lakes in Lot-et-Garonne?
- No. Lot-et-Garonne pages show official phosphorus, chlorophyll-a, and Secchi from the publishing authority. A letter on the LakeQuality scale would be an invention.