Ojajärvi
Orimattila, FinlandView mapDirections
Syke publishes the water-quality measurements for Ojajärvi. Here is what has been measured.
- 34 ft max depth
- Limited data
Ojajärvi in Orimattila, Finland has official water-quality measurements, shown as reported. Phosphorus: 13 µg/L. Chlorophyll-a (algae): 5.8 µg/L. Maximum depth: 34.4 ft.
How Ojajärvi is classified
Ojajärvi 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 phosphorus and algae (chlorophyll-a), but not water clarity.
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.
Ojajärvi is a lake in Orimattila County, Finland with a maximum depth of 34 feet.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-06-24. Methodology: how these readings are compared.
What Ojajärvi is good for
From access and monitoring records, not editorial picks.
- Deep water34.4 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 Ojajärvi 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 Ojajärvi
These are the measurements Syke publishes for Ojajärvi. More on the source.
No clarity data. Phosphorus 13 µg/L. Chlorophyll-a 5.8 µg/L. TSI 44.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 13µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 5.8µg/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. | 44 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Ojajärvi
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
10.5 m
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Frequently asked questions about Ojajärvi
Where is Ojajärvi?
- Ojajärvi is a lake in Orimattila, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Ojajärvi?
- Ojajärvi in Orimattila, Finland has official water-quality measurements, shown as reported. Phosphorus: 13 µg/L. Chlorophyll-a (algae): 5.8 µg/L. Maximum depth: 34.4 ft.
Is Ojajärvi safe to swim in?
- Ojajärvi 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 Ojajärvi?
- Ojajärvi has a maximum depth of 34.4 feet.
Explore Ojajärvi across LakeQuality
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Where this data comes from
2 measurements from 1 monitoring station, 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-vesla2 samples · 2026
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
472
Authority classifications are shown as the authority published them. See where the data comes from and data sources.