Peruvesi
Mäntyharju, FinlandView mapDirections
Syke publishes the water-quality measurements for Peruvesi. Here is what has been measured.
- 59 ft max depth
- Limited data
Peruvesi in Mäntyharju, Finland has official water-quality measurements, shown as reported. Water clarity: 2.9 m visibility. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 3.5 µg/L. Maximum depth: 59.1 ft.
How Peruvesi is classified
Peruvesi in Finland is published with the authority's own measurements and class. The measurements here are published by the agency that samples the lake, as reported. Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.
Monitoring: the Finnish Environment Institute (Syke) and the ELY Centres.
Peruvesi is a lake in Mäntyharju County, Finland with a maximum depth of 59 feet.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2025-08-20. Methodology: how these readings are compared.
What Peruvesi is good for
From access and monitoring records, not editorial picks.
- Deep water59.1 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Peruvesi is safe to swim in today is a call for the Finnish Environment Institute (Syke) and the ELY Centres and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Peruvesi
These are the measurements Syke publishes for Peruvesi. More on the source.
Moderate clarity, visible to about 9.4 ft. Phosphorus 6 µg/L. Chlorophyll-a 3.5 µg/L. TSI 39.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.85m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 6µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 3.5µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 39 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Peruvesi
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
18 m
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Frequently asked questions about Peruvesi
Where is Peruvesi?
- Peruvesi is a lake in Mäntyharju, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Peruvesi?
- Peruvesi in Mäntyharju, Finland has official water-quality measurements, shown as reported. Water clarity: 2.9 m visibility. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 3.5 µg/L. Maximum depth: 59.1 ft.
Is Peruvesi safe to swim in?
- Peruvesi 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 Peruvesi?
- Peruvesi has a maximum depth of 59.1 feet.
Explore Peruvesi across LakeQuality
More lakes in Finland
Where this data comes from
25 measurements from 3 monitoring stations, 2018–2025. 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-vesla25 samples · 2018–2025
Analytical methods
- SYKE VESLA
Monitoring station identifiers (3)
149271493714919
Authority classifications are shown as the authority published them. See where the data comes from and data sources.