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LakeQuality

Saanjärvi

NR
Not yet rated
5 m clear · Oligotrophic
Limited DataOligotrophic

Saanjärvi in Kouvola, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 5 m visibility. Phosphorus: 7 µg/L. Chlorophyll-a (algae): 1.6 µg/L. Maximum depth: 91.9 ft.

Clarity
5 m
Max depth
28 m
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Why Saanjärvi has no A–F grade

Saanjärvi 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.

Saanjärvi is a lake in Kouvola County, Finland with a maximum depth of 92 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2023-11-14. 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 Saanjärvi

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

Crystal clear, you can see 16.4 ft down. Phosphorus level: 7 µg/L. Chlorophyll-a: 1.6 µg/L. Trophic State Index: 35.

MetricValueGrade
Water Clarity (Secchi Depth)5 mNot graded
Phosphorus7 µg/LNot graded
Chlorophyll-a (Algae)1.6 µg/LNot graded
Trophic State Index (TSI)35Oligotrophic

Low nutrients, clear water, excellent for swimming

Lake Details

CharacteristicValue
Maximum Depth28 m

Where to stay near Saanjärvi

Compare lakeside cabins, hotels, and vacation rentals near Saanjärvi in Kouvola, 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 Saanjärvi

Frequently asked questions about Saanjärvi

What is the water quality of Saanjärvi?

Saanjärvi in Kouvola, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 5 m visibility. Phosphorus: 7 µg/L. Chlorophyll-a (algae): 1.6 µg/L. Maximum depth: 91.9 ft.

Is Saanjärvi safe to swim in?

Saanjärvi 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 Saanjärvi?

Saanjärvi has a maximum depth of 91.9 feet.

Where this data comes from

11 measurements from 1 monitoring station, 2017–2023. 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-vesla11 samples · 2017–2023

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 66505

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: 2023-11-14

Monitoring stations: 1

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