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LakeQuality

Poosjärvi

Pori, FinlandView mapDirections

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

Clarity
1 m
Typical for Finland
Secchi · sampled 2024
Phosphorus
43 µg/L
More phosphorus than most
Measured by Syke
Chlorophyll-a
11 µg/L
Typical for Finland
Measured by Syke
Max depth
2.9 m
Bathymetric survey
  • 10 ft max depth
  • Limited data

Poosjärvi in Pori, Finland has official water-quality measurements, shown as reported. Water clarity: 1 m visibility. Phosphorus: 43 µg/L. Chlorophyll-a (algae): 11 µg/L. Maximum depth: 9.5 ft.

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How Poosjärvi is classified

Poosjärvi 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.

Poosjärvi is a lake in Pori County, Finland with a maximum depth of 10 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2024-10-01. 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 Poosjärvi 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 Poosjärvi

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

Very murky, less than 3.1 ft of visibility. Phosphorus 43 µg/L. Chlorophyll-a 11 µg/L. TSI 58.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.95mMeasured, not scored

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

Total phosphorus43µg/LMeasured, not scored

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

Chlorophyll-a (algae)11µg/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 Poosjärvi

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

Lake Details

Max depth

2.9 m

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Fishing Poosjärvi

Frequently asked questions about Poosjärvi

Where is Poosjärvi?

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

What is the water quality of Poosjärvi?

Poosjärvi in Pori, Finland has official water-quality measurements, shown as reported. Water clarity: 1 m visibility. Phosphorus: 43 µg/L. Chlorophyll-a (algae): 11 µg/L. Maximum depth: 9.5 ft.

Measurements on this page ↑

Is Poosjärvi safe to swim in?

Poosjärvi 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 Poosjärvi?

Poosjärvi has a maximum depth of 9.5 feet.

Where this data comes from

20 measurements from 1 monitoring station, 2018–2024. 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-vesla20 samples · 2018–2024

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 9646

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