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LakeQuality

Lake map

Map shows 7 lakes with coordinates

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Named lakes

LakePlaceTotal phosphorusChlorophyll-aSecchiYear
IdroscaloMilan7.0 µg/L—2.2 m2018
Lago di ComoLecco12 µg/L—5.8 m2021
Lago di GardaVerona8.0 µg/L2.2 µg/L8.1 m2025
Lago di IdroBrescia13 µg/L—4.0 m2021
Lago di IseoBrescia11 µg/L—4.0 m2021
Lago di LuganoVarese13 µg/L—4.5 m2021
Lago MaggioreVarese5.5 µg/L2.3 µg/L5.8 m2020

Frequently asked questions

How many named lakes are in Prealpine lakes?
7 named lakes in Prealpine lakes, Italy, have official phosphorus, chlorophyll-a, and Secchi, 2018–2025. Values are the authority's measurements, shown as reported.
Where do the Prealpine lakes readings come from?
Prealpine lakes pages show official phosphorus, chlorophyll-a, and Secchi from the publishing authority, with the year each was taken.

Official surface phosphorus, chlorophyll-a, and/or Secchi. Not a LakeQuality A–F grade — the authority does not publish a letter on this scale.