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LakeQuality

Ovanmalmträsket

Raasepori, FinlandView mapDirections

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

Clarity
1.9 m
Typical for Finland
Secchi · sampled 2024
Phosphorus
15 µg/L
Typical for Finland
Measured by Syke
Chlorophyll-a
8.7 µg/L
Typical for Finland
Measured by Syke
Max depth
10.9 m
Bathymetric survey
  • 36 ft max depth
  • Limited data

Ovanmalmträsket in Raasepori, Finland has official water-quality measurements, shown as reported. Water clarity: 1.9 m visibility. Phosphorus: 15 µg/L. Chlorophyll-a (algae): 8.7 µg/L. Maximum depth: 35.8 ft.

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How Ovanmalmträsket is classified

Ovanmalmträsket 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.

Ovanmalmträsket is a lake in Raasepori County, Finland with a maximum depth of 36 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2024-08-20. Methodology: how these readings are compared.

What Ovanmalmträsket is good for

From access and monitoring records, not editorial picks.

  • Deep water35.8 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 Ovanmalmträsket 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 Ovanmalmträsket

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

Murky, only visible to about 6.2 ft. Phosphorus 15 µg/L. Chlorophyll-a 8.7 µg/L. TSI 49.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1.9mMeasured, not scored

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

Total phosphorus15µg/LMeasured, not scored

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

Chlorophyll-a (algae)8.7µg/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.49Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Ovanmalmträsket

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

Lake Details

Max depth

10.9 m

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Stays near Ovanmalmträsket

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Fishing Ovanmalmträsket

Frequently asked questions about Ovanmalmträsket

Where is Ovanmalmträsket?

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

What is the water quality of Ovanmalmträsket?

Ovanmalmträsket in Raasepori, Finland has official water-quality measurements, shown as reported. Water clarity: 1.9 m visibility. Phosphorus: 15 µg/L. Chlorophyll-a (algae): 8.7 µg/L. Maximum depth: 35.8 ft.

Measurements on this page ↑

Is Ovanmalmträsket safe to swim in?

Ovanmalmträsket 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 Ovanmalmträsket?

Ovanmalmträsket has a maximum depth of 35.8 feet.

Where this data comes from

12 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-vesla12 samples · 2018–2024

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 3022

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