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Malarijärvi Malarbyträsket

NR
Not yet rated
2.7 m clear · Oligotrophic
Limited DataOligotrophic

Malarijärvi Malarbyträsket in Raasepori, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.7 m visibility. Phosphorus: 4.3 µg/L. Chlorophyll-a (algae): 3.4 µg/L. Maximum depth: 49.9 ft.

Clarity
2.7 m
Max depth
15.2 m
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Why Malarijärvi Malarbyträsket has no A–F grade

Malarijärvi Malarbyträsket in Finland is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).

A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.

Monitoring: the Finnish Environment Institute (Syke) and the ELY Centres.

Malarijärvi Malarbyträsket is a lake in Raasepori County, Finland with a maximum depth of 50 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-08-04. Grade methodology: LakeGrade methodology.

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Swimming Safety

Not rated

Limited data

Not rated for swimming — there is not enough monitoring data to judge this lake

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Water quality measurements for Malarijärvi Malarbyträsket

These readings exist but do not meet the evidence bar for an A–F grade — see why.

Moderate clarity, visible to about 8.9 ft. Phosphorus level: 4.3 µg/L. Chlorophyll-a: 3.4 µg/L. Trophic State Index: 38.

MetricValueGrade
Water Clarity (Secchi Depth)2.7 mNot graded
Phosphorus4.3 µg/LNot graded
Chlorophyll-a (Algae)3.4 µg/LNot graded
Trophic State Index (TSI)38Oligotrophic

Low nutrients, clear water, excellent for swimming

Lake Details

CharacteristicValue
Maximum Depth15.2 m

Where to stay near Malarijärvi Malarbyträsket

Compare lakeside cabins, hotels, and vacation rentals near Malarijärvi Malarbyträsket in Raasepori, Finland — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

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Frequently asked questions about Malarijärvi Malarbyträsket

What is the water quality of Malarijärvi Malarbyträsket?

Malarijärvi Malarbyträsket in Raasepori, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.7 m visibility. Phosphorus: 4.3 µg/L. Chlorophyll-a (algae): 3.4 µg/L. Maximum depth: 49.9 ft.

Is Malarijärvi Malarbyträsket safe to swim in?

Malarijärvi Malarbyträsket 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.

How deep is Malarijärvi Malarbyträsket?

Malarijärvi Malarbyträsket has a maximum depth of 49.9 feet.

Explore Malarijärvi Malarbyträsket across LakeGrade

Where this data comes from

14 measurements from 1 monitoring station, 2018–2022. 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-vesla14 samples · 2018–2022

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 6038

Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.

Data Sources

Water quality data from the EPA Water Quality Portal

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion

Most recent sample: 2022-08-04

Monitoring stations: 1

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