Juojärvi
Tuusniemi, FinlandView mapDirections
Syke publishes the water-quality measurements for Juojärvi. Here is what has been measured.
- 144 ft max depth
- Limited data
Juojärvi in Tuusniemi, Finland has official water-quality measurements, shown as reported. Water clarity: 3.2 m visibility. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 3.4 µg/L. Maximum depth: 144.4 ft.
How Juojärvi is classified
Juojärvi 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.
Juojärvi is a lake in Tuusniemi County, Finland with a maximum depth of 144 feet.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-03-19. Methodology: how these readings are compared.
What Juojärvi is good for
From access and monitoring records, not editorial picks.
- Clear water10.5 ft of visibility
- Deep water144.4 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 Juojärvi 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 Juojärvi
These are the measurements Syke publishes for Juojärvi. More on the source.
Good clarity, visible to about 10.5 ft. Phosphorus 6 µg/L. Chlorophyll-a 3.4 µg/L. TSI 39.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.2m | 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) | 3.4µg/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 Juojärvi
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
44 m
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Frequently asked questions about Juojärvi
Where is Juojärvi?
- Juojärvi is a lake in Tuusniemi, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Juojärvi?
- Juojärvi in Tuusniemi, Finland has official water-quality measurements, shown as reported. Water clarity: 3.2 m visibility. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 3.4 µg/L. Maximum depth: 144.4 ft.
Is Juojärvi safe to swim in?
- Juojärvi 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 Juojärvi?
- Juojärvi has a maximum depth of 144.4 feet.
Explore Juojärvi across LakeQuality
More lakes in Finland
Where this data comes from
475 measurements from 18 monitoring stations, 2016–2026. 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-vesla475 samples · 2016–2026
Analytical methods
- SYKE VESLA
Monitoring station identifiers (18)
197761977760095198425070850709620484227793248932519324993250406164293260483672586048260484
Authority classifications are shown as the authority published them. See where the data comes from and data sources.