Where is Kälkäjärvet Alajärvi?

Kälkäjärvet Alajärvi is a lake in Joutsa, Finland. This page reports official water-quality measurements, shown as reported.

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.

Kälkäjärvet Alajärvi

Joutsa, FinlandView map Directions

Syke publishes the water-quality measurements for Kälkäjärvet Alajärvi. Here is what has been measured.

Clarity

0.8 m

Murkier than most

Secchi · sampled 2026

Phosphorus

20 µg/L

Typical for Finland

Measured by Syke

Chlorophyll-a

10.5 µg/L

Typical for Finland

Measured by Syke

Limited data

See the measurements Directions Where to stay

Kälkäjärvet Alajärvi in Joutsa, Finland has official water-quality measurements, shown as reported. Water clarity: 0.8 m visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 10.5 µg/L.

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How Kälkäjärvet Alajärvi is classified

Kälkäjärvet Alajärvi in Finland is published with the authority's own measurements and class. The measurements here are published by the agency that samples the lake, as reported. Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).

LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.

Monitoring: the Finnish Environment Institute (Syke) and the ELY Centres.

Kälkäjärvet Alajärvi is a lake in Joutsa County, Finland.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-02-17. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Kälkäjärvet Alajärvi is safe to swim in today is a call for the Finnish Environment Institute (Syke) and the ELY Centres and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Kälkäjärvet Alajärvi

These are the measurements Syke publishes for Kälkäjärvet Alajärvi. More on the source.

Very murky, less than 2.6 ft of visibility. Phosphorus 20 µg/L. Chlorophyll-a 10.5 µg/L. TSI 55.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	0.8m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	20µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	10.5µg/L	Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water.
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.	55	Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Kälkäjärvet Alajärvi

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Fishing Kälkäjärvet Alajärvi

→ Kälkäjärvet Alajärvi fishing regulations (limits, seasons, special rules)

Frequently asked questions about Kälkäjärvet Alajärvi

Where is Kälkäjärvet Alajärvi?: Kälkäjärvet Alajärvi is a lake in Joutsa, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Kälkäjärvet Alajärvi?: Kälkäjärvet Alajärvi in Joutsa, Finland has official water-quality measurements, shown as reported. 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 Centressyke-vesla51 samples · 2016–2026

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

26108

Authority classifications are shown as the authority published them. See where the data comes from and data sources.