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LakeQuality

Lake map

Map shows 17 lakes with coordinates

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Named lakes

LakePlaceTotal phosphorusChlorophyll-aSecchiYear
Barrage de CandauGers39 µg/L5.9 µg/L0.6 m2022
Barrage de la BaradéeGers21 µg/L7.0 µg/L0.8 m2023
Barrage de LunaxGers10 µg/L1.5 µg/L2.8 m2024
Barrage de Saint-JeanGers57 µg/L11 µg/L0.2 m2022
Barrage du LizetGers27 µg/L7.9 µg/L0.6 m2020
Barrage-Réservoir de L'AstaracGers20 µg/L4.0 µg/L1.2 m2024
Lac D'Aous-BernatasGers27 µg/L4.1 µg/L3.0 m2016
Lac de Cahuzac-Sur-AdourGers23 µg/L9.0 µg/L3.6 m2022
Lac de CastagnèreGers39 µg/L3.0 µg/L0.9 m2022
Lac de L'UbyGers50 µg/L19 µg/L0.6 m2022
Lac de LupiacGers18 µg/L1.4 µg/L2.1 m2024
Lac de MiélanGers40 µg/L6.3 µg/L0.9 m2024
Lac de Thoux-Saint-CricqGers—5.8 µg/L0.9 m2022
Lac du HougaGers118 µg/L32 µg/L0.3 m2024
Réservoir de LapeyrieGers—6.0 µg/L0.3 m2022
Réservoir de MaribotGers—29 µg/L0.4 m2022
Réservoir du BourgèsGers—2.0 µg/L0.7 m2022

Frequently asked questions

How many named lakes are in Gers?
17 named lakes in Gers, France, have official phosphorus, chlorophyll-a, and Secchi, 2016–2024. Values are the authority's measurements, shown as reported.
Where do the Gers readings come from?
Gers 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.