Ristijärvi
Puolanka, FinlandView mapDirections
Syke publishes the water-quality measurements for Ristijärvi. Here is what has been measured.
- 24 ft max depth
- Limited data
Ristijärvi in Puolanka, Finland has official water-quality measurements, shown as reported. Water clarity: 1.4 m visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 9 µg/L. Maximum depth: 24 ft.
How Ristijärvi is classified
Ristijärvi 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.
Ristijärvi is a lake in Puolanka County, Finland with a maximum depth of 24 feet.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2021-10-11. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Ristijärvi 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 Ristijärvi
These are the measurements Syke publishes for Ristijärvi. More on the source.
Murky, only visible to about 4.4 ft. Phosphorus 16 µg/L. Chlorophyll-a 9 µg/L. TSI 51.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.35m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 16µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 9µg/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. | 51 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
7.3 m
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Frequently asked questions about Ristijärvi
Where is Ristijärvi?
- Ristijärvi is a lake in Puolanka, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Ristijärvi?
- Ristijärvi in Puolanka, Finland has official water-quality measurements, shown as reported. Water clarity: 1.4 m visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 9 µg/L. Maximum depth: 24 ft.
Is Ristijärvi safe to swim in?
- Ristijärvi 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 Ristijärvi?
- Ristijärvi has a maximum depth of 24 feet.
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Where this data comes from
10 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-vesla10 samples · 2021
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
35617
Authority classifications are shown as the authority published them. See where the data comes from and data sources.