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LakeQuality

Kotajärvi

NR
Not yet rated
Oligotrophic
Limited DataOligotrophic

Kotajärvi in Sodankylä, Finland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 6.1 µg/L. Maximum depth: 45.9 ft.

Max depth
14 m
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Why Kotajärvi has no A–F grade

Kotajärvi 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 phosphorus, but not water clarity 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.

Kotajärvi is a lake in Sodankylä County, Finland with a maximum depth of 46 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-09-25. 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 Kotajärvi

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

No clarity data. Phosphorus level: 6.1 µg/L. Trophic State Index: 30.

MetricValueGrade
Water Clarity (Secchi Depth)No recent samples
Phosphorus6.1 µg/LNot graded
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)30Oligotrophic

Low nutrients, clear water, excellent for swimming

Lake Details

CharacteristicValue
Maximum Depth14 m

Where to stay near Kotajärvi

Compare lakeside cabins, hotels, and vacation rentals near Kotajärvi in Sodankylä, 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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Fishing Kotajärvi

Frequently asked questions about Kotajärvi

What is the water quality of Kotajärvi?

Kotajärvi in Sodankylä, Finland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 6.1 µg/L. Maximum depth: 45.9 ft.

Is Kotajärvi safe to swim in?

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.

How deep is Kotajärvi?

Kotajärvi has a maximum depth of 45.9 feet.

Where this data comes from

24 measurements from 1 monitoring station, 2016–2024. 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-vesla24 samples · 2016–2024

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 55793

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: 2024-09-25

Monitoring stations: 1

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