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LakeQuality

Kesäjärvi

NR
Not yet rated
2.4 m clear · Mesotrophic
Limited DataMesotrophic

Kesäjärvi in Kuusamo, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.4 m visibility. Phosphorus: 15.5 µg/L. Chlorophyll-a (algae): 7.3 µg/L. Maximum depth: 32.8 ft.

Clarity
2.4 m
Max depth
10 m
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Why Kesäjärvi has no A–F grade

Kesäjärvi 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.

Kesäjärvi is a lake in Kuusamo County, Finland with a maximum depth of 33 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-07-01. 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 Kesäjärvi

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

Moderate clarity, visible to about 7.9 ft. Phosphorus level: 15.5 µg/L. Chlorophyll-a: 7.3 µg/L. Trophic State Index: 47.

MetricValueGrade
Water Clarity (Secchi Depth)2.4 mNot graded
Phosphorus15.5 µg/LNot graded
Chlorophyll-a (Algae)7.3 µg/LNot graded
Trophic State Index (TSI)47Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth10 m

Where to stay near Kesäjärvi

Compare lakeside cabins, hotels, and vacation rentals near Kesäjärvi in Kuusamo, 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 Kesäjärvi

Frequently asked questions about Kesäjärvi

What is the water quality of Kesäjärvi?

Kesäjärvi in Kuusamo, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.4 m visibility. Phosphorus: 15.5 µg/L. Chlorophyll-a (algae): 7.3 µg/L. Maximum depth: 32.8 ft.

Is Kesäjärvi safe to swim in?

Kesäjärvi 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 Kesäjärvi?

Kesäjärvi has a maximum depth of 32.8 feet.

Where this data comes from

27 measurements from 1 monitoring station, 2019–2026. 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-vesla27 samples · 2019–2026

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 29554

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: 2026-07-01

Monitoring stations: 1

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