Where is Kuoksenjärvi?

Kuoksenjärvi is a lake in Jämsä, Finland. This page reports official water-quality measurements, shown as reported.

Is Kuoksenjärvi safe to swim in?

Kuoksenjärvi 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.

How deep is Kuoksenjärvi?

Kuoksenjärvi has a maximum depth of 49.2 feet.

Kuoksenjärvi

Jämsä, FinlandView map Directions

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

Clarity

3 m

Clearer than most

Secchi · sampled 2026

Phosphorus

6 µg/L

Less phosphorus than most

Measured by Syke

Chlorophyll-a

3 µg/L

Less algae than most

Measured by Syke

Max depth

15 m

Bathymetric survey

49 ft max depth
Limited data

See the measurements Directions Where to stay

Kuoksenjärvi in Jämsä, Finland has official water-quality measurements, shown as reported. Water clarity: 3 m visibility. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 3 µg/L. Maximum depth: 49.2 ft.

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How Kuoksenjärvi is classified

Kuoksenjärvi 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.

Kuoksenjärvi is a lake in Jämsä County, Finland with a maximum depth of 49 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-06-25. Methodology: how these readings are compared.

What Kuoksenjärvi is good for

From access and monitoring records, not editorial picks.

Clear water9.8 ft of visibility
Deep water49.2 ft surveyed max depth

Swimming conditions

No reading

Limited data

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

Whether Kuoksenjärvi 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 Kuoksenjärvi

These are the measurements Syke publishes for Kuoksenjärvi. More on the source.

Moderate clarity, visible to about 9.8 ft. Phosphorus 6 µg/L. Chlorophyll-a 3 µg/L. TSI 38.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	3m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	6µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	3µg/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.	38	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

Ask about Kuoksenjärvi

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

15 m

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Fishing Kuoksenjärvi

→ Kuoksenjärvi fishing regulations (limits, seasons, special rules)

Frequently asked questions about Kuoksenjärvi

Where is Kuoksenjärvi?: Kuoksenjärvi is a lake in Jämsä, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Kuoksenjärvi?: Kuoksenjärvi in Jämsä, Finland has official water-quality measurements, shown as reported. Water clarity: 3 m visibility. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 3 µg/L. Maximum depth: 49.2 ft.
Is Kuoksenjärvi safe to swim in?: Kuoksenjärvi 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.
How deep is Kuoksenjärvi?: Kuoksenjärvi has a maximum depth of 49.2 feet.

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Where this data comes from

14 measurements from 1 monitoring station, 2020–2026. 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-vesla14 samples · 2020–2026

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

9554

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