Pyhävesi
Mäntyharju, FinlandView mapDirections
Syke publishes the water-quality measurements for Pyhävesi. Here is what has been measured.
- 77 ft max depth
- Limited data
Pyhävesi in Mäntyharju, Finland has official water-quality measurements, shown as reported. Water clarity: 2 m visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 7.2 µg/L. Maximum depth: 76.8 ft.
How Pyhävesi is classified
Pyhävesi 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.
Pyhävesi is a lake in Mäntyharju County, Finland with a maximum depth of 77 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 Pyhävesi is good for
From access and monitoring records, not editorial picks.
- Deep water76.8 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 Pyhävesi 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 Pyhävesi
These are the measurements Syke publishes for Pyhävesi. More on the source.
Murky, only visible to about 6.6 ft. Phosphorus 10 µg/L. Chlorophyll-a 7.2 µg/L. TSI 46.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 10µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 7.2µg/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. | 46 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Pyhävesi
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
23.4 m
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Frequently asked questions about Pyhävesi
Where is Pyhävesi?
- Pyhävesi is a lake in Mäntyharju, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Pyhävesi?
- Pyhävesi in Mäntyharju, Finland has official water-quality measurements, shown as reported. Water clarity: 2 m visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 7.2 µg/L. Maximum depth: 76.8 ft.
Is Pyhävesi safe to swim in?
- Pyhävesi 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 Pyhävesi?
- Pyhävesi has a maximum depth of 76.8 feet.
Explore Pyhävesi across LakeQuality
More lakes in Finland
Where this data comes from
162 measurements from 10 monitoring stations, 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-vesla162 samples · 2016–2025
Analytical methods
- SYKE VESLA
Monitoring station identifiers (10)
15625156311563215619156431564915633156158788861515
Authority classifications are shown as the authority published them. See where the data comes from and data sources.