Lakes in Tarn, France
Find lakes in Tarn: county page for 11 named lakes in France. Official surface phosphorus, chlorophyll-a, and Secchi, shown as the authority reports them; none is a swim-safety class.
Lake map
Map shows 11 lakes with coordinates
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Named lakes
| Lake | Place | Total phosphorus | Chlorophyll-a | Secchi | Year |
|---|---|---|---|---|---|
| Barrage de L'Alzeau | Tarn | — | 1.4 µg/L | 3.5 m | 2024 |
| Barrage des Montagnès | Tarn | 13 µg/L | 4.6 µg/L | 2.9 m | 2022 |
| Lac de la Raviège | Tarn | — | 3.0 µg/L | 2.8 m | 2023 |
| Lac de Laouzas | Tarn | — | 2.0 µg/L | 4.0 m | 2023 |
| Lac de Saint-Géraud | Tarn | — | 2.2 µg/L | 1.8 m | 2023 |
| Lac des Cammazes | Tarn | — | 1.4 µg/L | 3.3 m | 2024 |
| Lac des Saint-Peyres | Tarn | — | 1.8 µg/L | 3.1 m | 2020 |
| Retenue de Fourrogue | Tarn | 24 µg/L | 12 µg/L | 0.9 m | 2023 |
| Retenue de la Bancalié | Tarn | — | 1.6 µg/L | 3.9 m | 2021 |
| Retenue de la Roucarie | Tarn | — | 2.0 µg/L | 1.6 m | 2020 |
| Retenue de Rassisse | Tarn | — | 1.0 µg/L | 2.5 m | 2021 |
Frequently asked questions
- How many named lakes are in Tarn?
- 11 named lakes in Tarn, France, have official phosphorus, chlorophyll-a, and Secchi, 2020–2024. Values are the authority's measurements, shown as reported.
- Where do the Tarn readings come from?
- Tarn pages show official phosphorus, chlorophyll-a, and Secchi from the publishing authority, with the year each was taken.