Polvijärvet
Heinävesi, FinlandView mapDirections
Syke publishes the water-quality measurements for Polvijärvet. Here is what has been measured.
- 48 ft max depth
- Limited data
Polvijärvet in Heinävesi, Finland has official water-quality measurements, shown as reported. Water clarity: 1.5 m visibility. Phosphorus: 12 µg/L. Chlorophyll-a (algae): 5 µg/L. Maximum depth: 47.6 ft.
How Polvijärvet is classified
Polvijärvet 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.
Polvijärvet is a lake in Heinävesi County, Finland with a maximum depth of 48 feet.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2025-08-21. Methodology: how these readings are compared.
What Polvijärvet is good for
From access and monitoring records, not editorial picks.
- Deep water47.6 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 Polvijärvet 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 Polvijärvet
These are the measurements Syke publishes for Polvijärvet. More on the source.
Murky, only visible to about 4.9 ft. Phosphorus 12 µg/L. Chlorophyll-a 5 µg/L. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.5m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 12µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 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. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Polvijärvet
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
14.5 m
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Frequently asked questions about Polvijärvet
Where is Polvijärvet?
- Polvijärvet is a lake in Heinävesi, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Polvijärvet?
- Polvijärvet in Heinävesi, Finland has official water-quality measurements, shown as reported. Water clarity: 1.5 m visibility. Phosphorus: 12 µg/L. Chlorophyll-a (algae): 5 µg/L. Maximum depth: 47.6 ft.
Is Polvijärvet safe to swim in?
- Polvijärvet 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 Polvijärvet?
- Polvijärvet has a maximum depth of 47.6 feet.
Explore Polvijärvet across LakeQuality
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Where this data comes from
14 measurements from 1 monitoring station, 2017–2025. 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-vesla14 samples · 2017–2025
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
14317
Authority classifications are shown as the authority published them. See where the data comes from and data sources.