Lakes in Haute-Garonne, France
Find lakes in Haute-Garonne: county page for 12 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 Laragou | Haute-Garonne | — | 11 µg/L | 0.9 m | 2024 |
| Barrage de Poucharramet | Haute-Garonne | — | 7.0 µg/L | 0.9 m | 2022 |
| Lac D'Aussonne | Haute-Garonne | — | 205 µg/L | 0.9 m | 2024 |
| Lac D'Esparron | Haute-Garonne | 31 µg/L | 6.7 µg/L | 0.8 m | 2023 |
| Lac de la Thésauque | Haute-Garonne | — | 6.0 µg/L | 1.1 m | 2022 |
| Lac de Lamartine | Haute-Garonne | 68 µg/L | 15 µg/L | 0.9 m | 2022 |
| Lac de Saveres | Haute-Garonne | — | 10 µg/L | 0.5 m | 2023 |
| Lac de Sède | Haute-Garonne | — | 1.5 µg/L | 5.8 m | 2022 |
| Lac du Bocage | Haute-Garonne | 43 µg/L | 12 µg/L | 0.8 m | 2024 |
| Retenue de Fabas | Haute-Garonne | — | 3.0 µg/L | 0.9 m | 2023 |
| Retenue de la Balerme | Haute-Garonne | — | 5.0 µg/L | 1.1 m | 2023 |
| Retenue de Sainte-Foy-de-Peyrolières I | Haute-Garonne | — | 9.0 µg/L | 0.5 m | 2022 |
Frequently asked questions
- How many named lakes are in Haute-Garonne?
- 12 named lakes in Haute-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 Haute-Garonne?
- No. Haute-Garonne pages show official phosphorus, chlorophyll-a, and Secchi from the publishing authority. A letter on the LakeQuality scale would be an invention.