Heinola, Finland
County page for 62 named lakes in Finland. Official surface phosphorus, chlorophyll-a, and Secchi — not a swim-safety class and not a LakeQuality letter.
Lake map
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Named lakes
| Lake | Place | Total phosphorus | Chlorophyll-a | Secchi | Year |
|---|---|---|---|---|---|
| Ala-Kesiö Lake | Heinola | 7.1 µg/L | 3.8 µg/L | 2.4 m | 2022 |
| Ala-Pajujärvi | Heinola | 16 µg/L | 9.2 µg/L | 1.7 m | 2026 |
| Ala-Rieveli Lake | Heinola | 7.0 µg/L | 4.0 µg/L | 3.3 m | 2025 |
| Ilmajärvi | Heinola | 12 µg/L | 9.0 µg/L | 1.7 m | 2024 |
| Imjärvi | Heinola | 7.3 µg/L | 5.6 µg/L | 2.5 m | 2021 |
| Iso Katisjärvi | Heinola | 17 µg/L | 14 µg/L | 1.2 m | 2020 |
| Iso Samjärvi | Heinola | 6.0 µg/L | 2.3 µg/L | 5.7 m | 2018 |
| Iso-Palpanen Lake | Heinola | 6.5 µg/L | 3.5 µg/L | 3.4 m | 2026 |
| Iso-Palpanen Lake | Heinola | 25 µg/L | 12 µg/L | 1.1 m | 2020 |
| Iso-Rapanen Lake | Heinola | 13 µg/L | 7.6 µg/L | 1.3 m | 2024 |
| Iso-Rihu Lake | Heinola | 6.0 µg/L | 4.6 µg/L | 2.5 m | 2021 |
| Janatti Lake | Heinola | 11 µg/L | 5.0 µg/L | 1.2 m | 2020 |
| Kaija Lake | Heinola | 16 µg/L | 3.8 µg/L | 1.1 m | 2025 |
| Kalliojärvi | Heinola | 15 µg/L | 7.8 µg/L | 2.3 m | 2019 |
| Kannusjärvi | Heinola | 8.0 µg/L | 4.3 µg/L | 2.8 m | 2021 |
| Keskinen Lake | Heinola | 6.2 µg/L | 4.4 µg/L | 2.7 m | 2021 |
| Kivijärvi | Heinola | 7.0 µg/L | 4.1 µg/L | 3.1 m | 2021 |
| Kivijärvi | Heinola | 12 µg/L | 11 µg/L | 1.2 m | 2023 |
| Kokkalampi | Heinola | 6.0 µg/L | 2.5 µg/L | 4.7 m | 2019 |
| Korpijärvi | Heinola | 9.0 µg/L | 3.9 µg/L | 2.5 m | 2024 |
| Koskio Lake | Heinola | 11 µg/L | 7.7 µg/L | 1.3 m | 2021 |
| Kotajärvi | Heinola | 12 µg/L | 8.3 µg/L | 2.0 m | 2026 |
| Kotajärvi | Heinola | 18 µg/L | 11 µg/L | 2.2 m | 2023 |
| Kuijärvi | Heinola | 5.8 µg/L | 3.3 µg/L | 2.9 m | 2021 |
| Kukkajärvi | Heinola | 7.0 µg/L | 3.0 µg/L | 3.0 m | 2023 |
| Läpiänjärvi | Heinola | 9.0 µg/L | 4.9 µg/L | 2.0 m | 2019 |
| Linnajärvi | Heinola | 5.0 µg/L | 2.0 µg/L | 3.1 m | 2023 |
| Lyömiäinen Lake | Heinola | 6.7 µg/L | 3.4 µg/L | 2.0 m | 2024 |
| Mielasjärvi | Heinola | 5.0 µg/L | 4.2 µg/L | 2.0 m | 2024 |
| Musta Vehkajärvi | Heinola | 20 µg/L | 16 µg/L | 1.2 m | 2020 |
| Mustalampi | Heinola | 9.0 µg/L | 5.2 µg/L | 2.0 m | 2021 |
| Mustjärvi | Heinola | 5.5 µg/L | 3.3 µg/L | 3.0 m | 2022 |
| Myllyjärvi | Heinola | 22 µg/L | 9.3 µg/L | 1.6 m | 2019 |
| Nuhjakka Lake | Heinola | 10 µg/L | 2.6 µg/L | 2.4 m | 2025 |
| Onkijärvi | Heinola | 14 µg/L | 6.0 µg/L | 2.6 m | 2022 |
| Pikijärvi | Heinola | 15 µg/L | 7.1 µg/L | 1.9 m | 2018 |
| Pirttijärvi | Heinola | 15 µg/L | 10 µg/L | 1.7 m | 2024 |
| Ristijärvi-Lahnajärvi | Heinola | 6.5 µg/L | 4.0 µg/L | 3.2 m | 2024 |
| Ruotsalainen Lake | Heinola | 7.0 µg/L | 3.5 µg/L | 3.0 m | 2026 |
| Saarijärvi | Heinola | 8.0 µg/L | 4.5 µg/L | 2.8 m | 2018 |
| Saarijärvi | Heinola | 6.7 µg/L | 4.2 µg/L | 2.4 m | 2021 |
| Saarijärvi | Heinola | 6.0 µg/L | 2.9 µg/L | 4.8 m | 2022 |
| Saarijärvi | Heinola | 13 µg/L | 7.4 µg/L | 1.6 m | 2025 |
| Salajärvi | Heinola | 4.1 µg/L | 2.9 µg/L | 3.6 m | 2021 |
| Särkijärvi | Heinola | 5.1 µg/L | 4.0 µg/L | 2.2 m | 2021 |
| Sonnanen Lake | Heinola | 3.0 µg/L | 1.3 µg/L | 9.4 m | 2026 |
| Suurijärvi | Heinola | 5.0 µg/L | 4.3 µg/L | 4.0 m | 2026 |
| Tasajärvi | Heinola | 15 µg/L | 25 µg/L | 1.6 m | 2026 |
| Vähä Samjärvi | Heinola | 6.0 µg/L | 3.2 µg/L | 3.9 m | 2018 |
| Vähä-Palpanen Lake | Heinola | 6.0 µg/L | 2.9 µg/L | 4.0 m | 2026 |
| Vähä-Rihu Lake | Heinola | 5.0 µg/L | 2.4 µg/L | 3.7 m | 2022 |
| Valkea Vehkajärvi | Heinola | 6.0 µg/L | 2.1 µg/L | 3.8 m | 2020 |
| Valkjärvi | Heinola | 9.0 µg/L | 2.8 µg/L | 4.0 m | 2019 |
| Valkjärvi | Heinola | 8.0 µg/L | 4.7 µg/L | 2.0 m | 2021 |
| Valkjärvi | Heinola | 7.0 µg/L | 3.1 µg/L | 3.5 m | 2026 |
| Vihutjärvi | Heinola | 10 µg/L | 3.6 µg/L | 2.4 m | 2023 |
| Viilajärvi | Heinola | 7.0 µg/L | 3.5 µg/L | 3.5 m | 2023 |
| Viipiänjärvi | Heinola | 9.0 µg/L | 3.1 µg/L | 2.4 m | 2025 |
| Ylä-Kesiö Lake | Heinola | 12 µg/L | 4.0 µg/L | 1.9 m | 2025 |
| Ylä-Pajujärvi | Heinola | 23 µg/L | 7.1 µg/L | 1.8 m | 2024 |
| Ylä-Rieveli Lake | Heinola | 5.3 µg/L | 3.9 µg/L | 3.2 m | 2026 |
| Ylimmäinen Lake | Heinola | 8.2 µg/L | 3.8 µg/L | 2.5 m | 2021 |
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