Virolainen Lake
Virolainen Lake in Tampere, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.2 m visibility. Phosphorus: 9.6 µg/L. Chlorophyll-a (algae): 5 µg/L.
- Clarity
- 2.2 m
Why Virolainen Lake has no A–F grade
Virolainen Lake 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.
Virolainen Lake is a lake in Tampere County, Finland.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-08-29. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Virolainen Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Moderate clarity, visible to about 7.2 ft. Phosphorus level: 9.6 µg/L. Chlorophyll-a: 5 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.2 m | Not graded |
| Phosphorus | 9.6 µg/L | Not graded |
| Chlorophyll-a (Algae) | 5 µg/L | Not graded |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Virolainen Lake
Compare lakeside cabins, hotels, and vacation rentals near Virolainen Lake in Tampere, 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 Virolainen Lake
Frequently asked questions about Virolainen Lake
What is the water quality of Virolainen Lake?
- Virolainen Lake in Tampere, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.2 m visibility. Phosphorus: 9.6 µg/L. Chlorophyll-a (algae): 5 µg/L.
Is Virolainen Lake safe to swim in?
- Virolainen Lake 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.
Explore Virolainen Lake across LakeGrade
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Where this data comes from
57 measurements from 1 monitoring station, 2016–2025. Retrieved from Syke VESLA (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Finnish Environment Institute (Syke) and ELY Centres
syke-vesla57 samples · 2016–2025
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
82628
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: 2025-08-29
Monitoring stations: 1