Virojärvi
Virojärvi in Hamina, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.7 m visibility. Phosphorus: 17.5 µg/L. Chlorophyll-a (algae): 24 µg/L. Maximum depth: 26.2 ft.
- Clarity
- 0.7 m
- Max depth
- 8 m
Why Virojärvi has no A–F grade
Virojärvi 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.
Virojärvi is a lake in Hamina County, Finland with a maximum depth of 26 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-08-24. Grade methodology: LakeGrade methodology.
Watch Virojärvi water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Virojärvi
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 2.3 ft of visibility. Phosphorus level: 17.5 µg/L. Chlorophyll-a: 24 µg/L. Trophic State Index: 57.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.7 m | Not graded |
| Phosphorus | 17.5 µg/L | Not graded |
| Chlorophyll-a (Algae) | 24 µg/L | Not graded |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 8 m |
Where to stay near Virojärvi
Compare lakeside cabins, hotels, and vacation rentals near Virojärvi in Hamina, 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.
Top-rated places to stay near Virojärvi
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Fishing Virojärvi
Frequently asked questions about Virojärvi
What is the water quality of Virojärvi?
- Virojärvi in Hamina, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.7 m visibility. Phosphorus: 17.5 µg/L. Chlorophyll-a (algae): 24 µg/L. Maximum depth: 26.2 ft.
Is Virojärvi safe to swim in?
- Virojärvi 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 Virojärvi?
- Virojärvi has a maximum depth of 26.2 feet.
Explore Virojärvi across LakeGrade
More lakes in Finland
Where this data comes from
5 measurements from 1 monitoring station, 2021. 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-vesla5 samples · 2021
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
11337
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: 2021-08-24
Monitoring stations: 1