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LakeQuality

Lake map

Map shows 3 lakes with coordinates

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Named lakes

LakePlaceTotal phosphorusChlorophyll-aSecchiYear
DrontermeerFlevoland49 µg/L14 µg/L0.6 m2025
IjsselmeerFlevoland62 µg/L28 µg/L0.6 m2025
MarkermeerFlevoland22 µg/L16 µg/L0.5 m2025

Frequently asked questions

How many named lakes are in Flevoland?
3 named lakes in Flevoland, Netherlands, have official phosphorus, chlorophyll-a, and Secchi, 2025. Values are the authority's measurements, shown as reported.
Where do the Flevoland readings come from?
Flevoland 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.