Pöljänjärvi
Siilinjärvi, FinlandView mapDirections
Syke publishes the water-quality measurements for Pöljänjärvi. Here is what has been measured.
- 43 ft max depth
- Limited data
Pöljänjärvi in Siilinjärvi, Finland has official water-quality measurements, shown as reported. Water clarity: 1.5 m visibility. Phosphorus: 24 µg/L. Chlorophyll-a (algae): 14 µg/L. Maximum depth: 43 ft.
How Pöljänjärvi is classified
Pöljänjärvi 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.
Pöljänjärvi is a lake in Siilinjärvi County, Finland with a maximum depth of 43 feet.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-07-07. Methodology: how these readings are compared.
What Pöljänjärvi is good for
From access and monitoring records, not editorial picks.
- Deep water43 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 Pöljänjärvi 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 Pöljänjärvi
These are the measurements Syke publishes for Pöljänjärvi. More on the source.
Murky, only visible to about 4.9 ft. Phosphorus 24 µg/L. Chlorophyll-a 14 µg/L. TSI 54.
| 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 | 24µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 14µg/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. | 54 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Pöljänjärvi
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
13.1 m
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Frequently asked questions about Pöljänjärvi
Where is Pöljänjärvi?
- Pöljänjärvi is a lake in Siilinjärvi, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Pöljänjärvi?
- Pöljänjärvi in Siilinjärvi, Finland has official water-quality measurements, shown as reported. Water clarity: 1.5 m visibility. Phosphorus: 24 µg/L. Chlorophyll-a (algae): 14 µg/L. Maximum depth: 43 ft.
Is Pöljänjärvi safe to swim in?
- Pöljänjärvi 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 Pöljänjärvi?
- Pöljänjärvi has a maximum depth of 43 feet.
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Where this data comes from
39 measurements from 1 monitoring station, 2017–2026. 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-vesla39 samples · 2017–2026
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
54923
Authority classifications are shown as the authority published them. See where the data comes from and data sources.