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LakeQuality

Valijärvi

NR
Not yet rated
2.5 m clear · Mesotrophic
Limited DataMesotrophic

Valijärvi in Forssa, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.5 m visibility. Phosphorus: 8 µg/L. Chlorophyll-a (algae): 2.9 µg/L. Maximum depth: 20.7 ft.

Clarity
2.5 m
Max depth
6.3 m
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Why Valijärvi has no A–F grade

Valijärvi 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.

Valijärvi is a lake in Forssa County, Finland with a maximum depth of 21 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-08-18. 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 Valijärvi

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

Moderate clarity, visible to about 8.2 ft. Phosphorus level: 8 µg/L. Chlorophyll-a: 2.9 µg/L. Trophic State Index: 41.

MetricValueGrade
Water Clarity (Secchi Depth)2.5 mNot graded
Phosphorus8 µg/LNot graded
Chlorophyll-a (Algae)2.9 µg/LNot graded
Trophic State Index (TSI)41Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth6.3 m

Where to stay near Valijärvi

Compare lakeside cabins, hotels, and vacation rentals near Valijärvi in Forssa, 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 Valijärvi

Frequently asked questions about Valijärvi

What is the water quality of Valijärvi?

Valijärvi in Forssa, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.5 m visibility. Phosphorus: 8 µg/L. Chlorophyll-a (algae): 2.9 µg/L. Maximum depth: 20.7 ft.

Is Valijärvi safe to swim in?

Valijärvi 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 Valijärvi?

Valijärvi has a maximum depth of 20.7 feet.

Where this data comes from

14 measurements from 1 monitoring station, 2020–2025. 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 · 2020–2025

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 2455

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: 2025-08-18

Monitoring stations: 1

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