Kälkäjärvet Alajärvi
Kälkäjärvet Alajärvi in Joutsa, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.8 m visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 10.5 µg/L.
- Clarity
- 0.8 m
Why Kälkäjärvet Alajärvi has no A–F grade
Kälkäjärvet Alajärvi in Finland is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.
Monitoring: the Finnish Environment Institute (Syke) and the ELY Centres.
Kälkäjärvet Alajärvi is a lake in Joutsa County, Finland.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-02-17. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Kälkäjärvet Alajärvi
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 2.6 ft of visibility. Phosphorus level: 20 µg/L. Chlorophyll-a: 10.5 µg/L. Trophic State Index: 55.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.8 m | Not graded |
| Phosphorus | 20 µg/L | Not graded |
| Chlorophyll-a (Algae) | 10.5 µg/L | Not graded |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Kälkäjärvet Alajärvi
Compare lakeside cabins, hotels, and vacation rentals near Kälkäjärvet Alajärvi in Joutsa, Finland — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Fishing Kälkäjärvet Alajärvi
Frequently asked questions about Kälkäjärvet Alajärvi
What is the water quality of Kälkäjärvet Alajärvi?
- Kälkäjärvet Alajärvi in Joutsa, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.8 m visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 10.5 µg/L.
Is Kälkäjärvet Alajärvi safe to swim in?
- Kälkäjärvet Alajärvi has official nutrient and clarity measurements, not a bacteria swim class and not a safety clearance. Algal blooms, currents, and depth are not covered. Always check local notices before swimming.
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Where this data comes from
51 measurements from 1 monitoring station, 2016–2026. Retrieved from Syke VESLA (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Finnish Environment Institute (Syke) and ELY Centres
syke-vesla51 samples · 2016–2026
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
26108
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2026-02-17
Monitoring stations: 1