Lakes in Joutsa, Finland
Find lakes in Joutsa: county page for 20 named lakes in Finland. Official surface phosphorus, chlorophyll-a, and Secchi, shown as the authority reports them; none is a swim-safety class.
Lake map
Map shows 20 lakes with coordinates
Named lakes
| Lake | Place | Total phosphorus | Chlorophyll-a | Secchi | Year |
|---|---|---|---|---|---|
| Harjujärvi | Joutsa | 20 µg/L | 9.4 µg/L | 0.8 m | 2026 |
| Hirvijärvi | Joutsa | 4.7 µg/L | 2.8 µg/L | 3.5 m | 2024 |
| Iso Säynätjärvi | Joutsa | 5.2 µg/L | 3.0 µg/L | 2.1 m | 2024 |
| Kälkäjärvet Alajärvi | Joutsa | 20 µg/L | 11 µg/L | 0.8 m | 2026 |
| Keronlampi | Joutsa | 21 µg/L | 9.5 µg/L | 0.8 m | 2026 |
| Kostamonjärvi | Joutsa | 18 µg/L | 20 µg/L | 0.9 m | 2026 |
| Laitjärvi | Joutsa | 6.1 µg/L | 3.8 µg/L | 2.9 m | 2021 |
| Mahajärvi | Joutsa | 21 µg/L | 4.4 µg/L | 0.8 m | 2021 |
| Porkkalampi | Joutsa | 23 µg/L | 11 µg/L | 0.7 m | 2026 |
| Rautavesi | Joutsa | 8.0 µg/L | 3.6 µg/L | 2.8 m | 2026 |
| Riionlampi | Joutsa | 23 µg/L | — | 0.7 m | 2026 |
| Rutajärvi | Joutsa | 10 µg/L | 5.1 µg/L | 1.5 m | 2026 |
| Siikajärvi | Joutsa | 5.0 µg/L | 2.4 µg/L | 2.0 m | 2026 |
| Sorsanselkä-Keskinenvesi | Joutsa | 13 µg/L | 5.3 µg/L | 1.4 m | 2026 |
| Suontee Lake | Joutsa | 10 µg/L | 3.3 µg/L | 2.2 m | 2022 |
| Suuri Kurjärvi | Joutsa | 25 µg/L | 10 µg/L | 1.1 m | 2024 |
| Vähä Harjujärvi | Joutsa | 24 µg/L | 27 µg/L | 0.9 m | 2020 |
| Vähä Kurjärvi | Joutsa | 19 µg/L | 15 µg/L | 1.3 m | 2024 |
| Varmalampi | Joutsa | 25 µg/L | 15 µg/L | 0.8 m | 2021 |
| Viheri Lake | Joutsa | 6.0 µg/L | 3.3 µg/L | 3.0 m | 2024 |
Frequently asked questions
- How many named lakes are in Joutsa?
- 20 named lakes in Joutsa, Finland, have official phosphorus, chlorophyll-a, and Secchi, 2020–2026. Values are the authority's measurements, shown as reported.
- Where do the Joutsa readings come from?
- Joutsa pages show official phosphorus, chlorophyll-a, and Secchi from the publishing authority, with the year each was taken.
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