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LakeQuality

Lake map

Map shows 1 lake with coordinates

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Named lakes

LakePlaceTotal phosphorusChlorophyll-aSecchiYear
Etang des VarennesSarthe115 µg/L14 µg/L1.0 m2024

Frequently asked questions

How many named lakes are in Sarthe?
1 named lakes in Sarthe, France, have official phosphorus, chlorophyll-a, and Secchi, 2024. Values are the authority's measurements, shown as reported.
Where do the Sarthe readings come from?
Sarthe pages show official phosphorus, chlorophyll-a, and Secchi from the publishing authority, with the year each was taken.

UNEP GEMS/Water Global Freshwater Quality Archive v3 (OPEN / CC BY 4.0). Surface total phosphorus, chlorophyll-a, and Secchi from 2016 onward. Not a LakeQuality A–F grade.