Lakes in Tarn-et-Garonne, France
Find lakes in Tarn-et-Garonne: county page for 9 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 de Gensac-Lavit | Tarn-et-Garonne | — | 18 µg/L | 0.5 m | 2023 |
| Barrage du Gouyré | Tarn-et-Garonne | — | 7.1 µg/L | 1.2 m | 2023 |
| Barrage du Tordre | Tarn-et-Garonne | — | 8.0 µg/L | 1.1 m | 2023 |
| Lac Balat-David | Tarn-et-Garonne | 21 µg/L | 4.1 µg/L | 0.9 m | 2024 |
| Lac de Gariès | Tarn-et-Garonne | 40 µg/L | 9.3 µg/L | 1.0 m | 2024 |
| Lac de Peyralade | Tarn-et-Garonne | 12 µg/L | 1.9 µg/L | 1.9 m | 2023 |
| Lac de Thérondel | Tarn-et-Garonne | 25 µg/L | 6.5 µg/L | 1.3 m | 2023 |
| Lac de Vigueron | Tarn-et-Garonne | 57 µg/L | 11 µg/L | 1.1 m | 2022 |
| Lac des Fourrières | Tarn-et-Garonne | 16 µg/L | 4.7 µg/L | 3.8 m | 2022 |
Frequently asked questions
- How many named lakes are in Tarn-et-Garonne?
- 9 named lakes in Tarn-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 Tarn-et-Garonne?
- No. Tarn-et-Garonne pages show official phosphorus, chlorophyll-a, and Secchi from the publishing authority. A letter on the LakeQuality scale would be an invention.