Bathing water quality in Keski-Suomi, Finland
Keski-Suomi has 19 official bathing waters in the EEA dataset for the 2025 season (18 lake and 1 river). 100% were classified Excellent — 15.5 points above the 84.5% across Finland — and 0 were Poor. 17 sites have been Excellent in every season from 2015 to 2025.
Uimaveden laatu: Keski-Suomi
Keski-Suomi: 19 virallisesta EU-uimarannasta 100 % oli vuonna 2025 ”erinomainen”; luokituksen ”huono” saaneita: 0.
official bathing waters
Excellent in 2025
Poor in 2025
Map of official bathing waters in Keski-Suomi
Sea, lakes and rivers in Keski-Suomi
| Water type | Sites | Excellent | Good | Sufficient | Poor | Not classified |
|---|---|---|---|---|---|---|
| Lake | 18 | 18 (100%) | 0 | 0 | 0 | 0 |
| River | 1 | 1 (100%) | 0 | 0 | 0 | 0 |
Coastal waters are assessed against stricter bacterial limits than lakes and rivers but are diluted far more; see how the classes are calculated.
Most consistent Excellent sites
17 sites were Excellent in all eleven seasons. Ordered by the length of the unbroken Excellent run ending in 2025.
- JYSKA 11 seasons
- KIRRI 11 seasons
- KOHNIO 11 seasons
- LOHIKOSKI 11 seasons
- LOSSINRANTA 11 seasons
- MYLLYLAMPI 11 seasons
- OLLILA 11 seasons
- PAPPILA 11 seasons
- PETAJAVESI 11 seasons
- SAAKSJARVI 11 seasons
- SARKIJARVI 11 seasons
- SUOJARVI 11 seasons
- TIKKA 11 seasons
- TOIVAKKA KIRKONKYLA 11 seasons
- TUOMIOJARVI 11 seasons
- UIMALANNIEMI 11 seasons
- VARPAINEN 11 seasons
- AANEJARVI 9 seasons
- JOUTSA KIRKONKYLA 3 seasons
Rated Poor in 2025
None of the 19 official bathing waters in Keski-Suomi was classified Poor in 2025.
How Keski-Suomi rated since 2015
Counts for the sites in today’s 2025 inventory; the Excellent share is calculated over classified sites only.
| Season | Classified | Excellent | Excellent share | Poor |
|---|---|---|---|---|
| 2025 | 19 | 19 | 100% | 0 |
| 2024 | 19 | 19 | 100% | 0 |
| 2023 | 19 | 19 | 100% | 0 |
| 2022 | 18 | 18 | 100% | 0 |
| 2021 | 18 | 18 | 100% | 0 |
| 2020 | 18 | 18 | 100% | 0 |
| 2019 | 18 | 18 | 100% | 0 |
| 2018 | 18 | 18 | 100% | 0 |
| 2017 | 18 | 18 | 100% | 0 |
| 2016 | 17 | 17 | 100% | 0 |
| 2015 | 17 | 17 | 100% | 0 |
All 19 official bathing waters in Keski-Suomi
Grouped by water type, alphabetical within each group. Open a site for its 2015–2025 history, nearby alternatives, weather forecast and the national profile link.
Download all 19 sites as CSV (classes 2015–2025, coordinates, nearest place; EEA data, CC BY 4.0)
Lake 18 sites · 100% Excellent
- AANEJARVI · Äänekoski Excellent Excellent 9 seasons in a row
- JOUTSA KIRKONKYLA Excellent Excellent 3 seasons in a row
- JYSKA · Jyväskylä Excellent Excellent 11 seasons in a row
- KIRRI · Jyväskylä Excellent Excellent 11 seasons in a row
- KOHNIO · Jyväskylä Excellent Excellent 11 seasons in a row
- LOHIKOSKI · Jyväskylä Excellent Excellent 11 seasons in a row
- LOSSINRANTA · Äänekoski Excellent Excellent 11 seasons in a row
- MYLLYLAMPI Excellent Excellent 11 seasons in a row
- OLLILA · Jyväskylä Excellent Excellent 11 seasons in a row
- PAPPILA · Korpilahti Excellent Excellent 11 seasons in a row
- PETAJAVESI Excellent Excellent 11 seasons in a row
- SAAKSJARVI · Säynätsalo Excellent Excellent 11 seasons in a row
- SARKIJARVI · Jämsä Excellent Excellent 11 seasons in a row
- SUOJARVI · Suolahti Excellent Excellent 11 seasons in a row
- TIKKA · Jyväskylä Excellent Excellent 11 seasons in a row
- TOIVAKKA KIRKONKYLA Excellent Excellent 11 seasons in a row
- TUOMIOJARVI · Jyväskylä Excellent Excellent 11 seasons in a row
- VARPAINEN · Jämsänkoski Excellent Excellent 11 seasons in a row
River 1 site · 100% Excellent
- UIMALANNIEMI Excellent Excellent 11 seasons in a row
Compared with other regions in Finland
| # | Region | Sites | Excellent | Poor |
|---|---|---|---|---|
| 1 | Pohjois-Karjala | 23 | 100% | 0 |
| 2 | Keski-Suomi | 19 | 100% | 0 |
| 3 | Pirkanmaa | 35 | 94.3% | 0 |
| 4 | Pohjois-Pohjanmaa | 19 | 89.5% | 0 |
| 5 | Southwest Finland (Varsinais-Suomi) | 18 | 88.9% | 0 |
| 6 | Helsinki-Uusimaa | 70 | 75.7% | 1 |
| 7 | Pohjanmaa | 18 | 44.4% | 1 |
Regions with at least 15 official bathing waters. Size, water type and how densely sites are designated differ, so the table is context rather than a verdict.
Quick answers
- How many bathing waters in Keski-Suomi were rated Excellent in 2025?
- 19 of 19 (100%) in the official EEA 2025 classification; 0 were Good, 0 Sufficient and 0 Poor. That ranks Keski-Suomi 2 of 7 Finland regions by Excellent share.
- Which beaches and lakes in Keski-Suomi have the best long-term record?
- 17 sites were Excellent in every season from 2015 to 2025, for example JYSKA, KIRRI, KOHNIO. See the ranking.
- Were any bathing waters in Keski-Suomi rated Poor?
- No. None was classified Poor in 2025.
- Where do I check whether swimming is allowed today?
- On Uimavesi (LVV) (Permit and Supervision Agency (LVV) and municipal health-protection authorities). Temporary bans, pollution alerts and closures are published there and on signs at the water, not in the annual EEA class.
Finland overview · All regions of Finland · Bathing season dates
Sources and method
Bathing-water records: European Environment Agency (EEA), data and coordinates reported by Finland, licensed CC BY 4.0. Region and area boundaries: Eurostat NUTS 2024 (© EuroGeographics for the administrative boundaries). Place names: GeoNames (CC BY 4.0). A site belongs to the area that contains its reported coordinates; a site up to 10 km off the generalised coastline is placed in the nearest area of Finland. Counts, shares and rankings are calculated by BathingWaterFinder from the official records.