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LakeQuality

Ruokosjärvi

Keuruu, FinlandView mapDirections

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

Clarity
1.8 m
Typical for Finland
Secchi · sampled 2023
Phosphorus
11 µg/L
Typical for Finland
Measured by Syke
Chlorophyll-a
6.4 µg/L
Typical for Finland
Measured by Syke
Max depth
15 m
Bathymetric survey
  • 49 ft max depth
  • Limited data

Ruokosjärvi in Keuruu, Finland has official water-quality measurements, shown as reported. Water clarity: 1.8 m visibility. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 6.4 µg/L. Maximum depth: 49.2 ft.

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How Ruokosjärvi is classified

Ruokosjärvi 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.

Ruokosjärvi is a lake in Keuruu 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 2023-10-17. Methodology: how these readings are compared.

What Ruokosjärvi is good for

From access and monitoring records, not editorial picks.

  • 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 Ruokosjärvi 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 Ruokosjärvi

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

Murky, only visible to about 5.7 ft. Phosphorus 11 µg/L. Chlorophyll-a 6.4 µg/L. TSI 46.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1.75mMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus11µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)6.4µg/LMeasured, 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.46Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Ruokosjärvi

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

Lake Details

Max depth

15 m

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Stays near Ruokosjärvi

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Fishing Ruokosjärvi

Frequently asked questions about Ruokosjärvi

Where is Ruokosjärvi?

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

What is the water quality of Ruokosjärvi?

Ruokosjärvi in Keuruu, Finland has official water-quality measurements, shown as reported. Water clarity: 1.8 m visibility. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 6.4 µg/L. Maximum depth: 49.2 ft.

Measurements on this page ↑

Is Ruokosjärvi safe to swim in?

Ruokosjärvi 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.

Swimming on this page ↑

How deep is Ruokosjärvi?

Ruokosjärvi has a maximum depth of 49.2 feet.

Where this data comes from

31 measurements from 1 monitoring station, 2017–2023. 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-vesla31 samples · 2017–2023

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 26282

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