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LakeQuality

Iso Kotajärvi

Kinnula, FinlandView mapDirections

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

Clarity
0.5 m
Murkier than most
Secchi · sampled 2023
Phosphorus
32 µg/L
More phosphorus than most
Measured by Syke
Chlorophyll-a
18.5 µg/L
More algae than most
Measured by Syke
Max depth
4.5 m
Bathymetric survey
  • 15 ft max depth
  • Limited data

Iso Kotajärvi in Kinnula, Finland has official water-quality measurements, shown as reported. Water clarity: 0.5 m visibility. Phosphorus: 32 µg/L. Chlorophyll-a (algae): 18.5 µg/L. Maximum depth: 14.8 ft.

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How Iso Kotajärvi is classified

Iso Kotajärvi 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.

Iso Kotajärvi is a lake in Kinnula County, Finland with a maximum depth of 15 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2023-08-21. 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 Iso Kotajärvi 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 Iso Kotajärvi

These are the measurements Syke publishes for Iso Kotajärvi. More on the source.

Very murky, less than 1.6 ft of visibility. Phosphorus 32 µg/L. Chlorophyll-a 18.5 µg/L. TSI 61.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.5mMeasured, not scored

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

Total phosphorus32µg/LMeasured, not scored

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

Chlorophyll-a (algae)18.5µg/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.61Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

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

Lake Details

Max depth

4.5 m

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Frequently asked questions about Iso Kotajärvi

Where is Iso Kotajärvi?

Iso Kotajärvi is a lake in Kinnula, Finland. This page reports official water-quality measurements, shown as reported.

What is the water quality of Iso Kotajärvi?

Iso Kotajärvi in Kinnula, Finland has official water-quality measurements, shown as reported. Water clarity: 0.5 m visibility. Phosphorus: 32 µg/L. Chlorophyll-a (algae): 18.5 µg/L. Maximum depth: 14.8 ft.

Measurements on this page ↑

Is Iso Kotajärvi safe to swim in?

Iso Kotajärvi 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 Iso Kotajärvi?

Iso Kotajärvi has a maximum depth of 14.8 feet.

Where this data comes from

9 measurements from 1 monitoring station, 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-vesla9 samples · 2023

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 56856

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