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LakeQuality

Kourajärvi

Sastamala, FinlandView mapDirections

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

Clarity
0.8 m
Murkier than most
Secchi · sampled 2021
Phosphorus
42 µg/L
More phosphorus than most
Measured by Syke
Chlorophyll-a
9.1 µg/L
Typical for Finland
Measured by Syke
Max depth
13.8 m
Bathymetric survey
  • 45 ft max depth
  • Limited data

Kourajärvi in Sastamala, Finland has official water-quality measurements, shown as reported. Water clarity: 0.8 m visibility. Phosphorus: 42 µg/L. Chlorophyll-a (algae): 9.1 µg/L. Maximum depth: 45.3 ft.

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How Kourajärvi is classified

Kourajärvi 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.

Kourajärvi is a lake in Sastamala County, Finland with a maximum depth of 45 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2021-10-11. Methodology: how these readings are compared.

What Kourajärvi is good for

From access and monitoring records, not editorial picks.

  • Deep water45.3 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 Kourajärvi 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 Kourajärvi

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

Very murky, less than 2.6 ft of visibility. Phosphorus 42 µg/L. Chlorophyll-a 9.1 µg/L. TSI 58.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.8mMeasured, not scored

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

Total phosphorus42µg/LMeasured, not scored

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

Chlorophyll-a (algae)9.1µg/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.58Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Kourajärvi

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

Lake Details

Max depth

13.8 m

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Stays near Kourajärvi

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Fishing Kourajärvi

Frequently asked questions about Kourajärvi

Where is Kourajärvi?

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

What is the water quality of Kourajärvi?

Kourajärvi in Sastamala, Finland has official water-quality measurements, shown as reported. Water clarity: 0.8 m visibility. Phosphorus: 42 µg/L. Chlorophyll-a (algae): 9.1 µg/L. Maximum depth: 45.3 ft.

Measurements on this page ↑

Is Kourajärvi safe to swim in?

Kourajärvi 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 Kourajärvi?

Kourajärvi has a maximum depth of 45.3 feet.

Where this data comes from

36 measurements from 3 monitoring stations, 2017–2021. 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-vesla36 samples · 2017–2021

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (3)
  • 7481
  • 7486
  • 7490

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