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LakeQuality

Lake map

Map shows 3 lakes with coordinates

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Named lakes

LakePlaceTotal phosphorusChlorophyll-aSecchiYear
大橋ダム貯水池Kochi4.0 µg/L——2024
早明浦ダム貯水池Kochi5.0 µg/L—6.5 m2025
長沢ダム貯水池Kochi5.0 µg/L——2024

Frequently asked questions

How many named lakes are in Kochi?
3 named lakes in Kochi, Japan, have official phosphorus and Secchi, 2024–2025. Values are the authority's measurements, shown as reported.
Where do the Kochi readings come from?
Kochi 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.