Lakes in Ardèche, France
Find lakes in Ardèche: county page for 2 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 |
|---|---|---|---|---|---|
| Lac D'Issarles | Ardèche | 10 µg/L | 6.0 µg/L | 4.9 m | 2025 |
| Retenue de la Palisse | Ardèche | 40 µg/L | 2.8 µg/L | 2.6 m | 2021 |
Frequently asked questions
- How many named lakes are in Ardèche?
- 2 named lakes in Ardèche, France, have official phosphorus, chlorophyll-a, and Secchi, 2021–2025. Values are measurements, not a LakeQuality A–F grade.
- Does LakeQuality grade lakes in Ardèche?
- No. Ardèche pages show official phosphorus, chlorophyll-a, and Secchi from the publishing authority. A letter on the LakeQuality scale would be an invention.