Säräjärvi
Lohja, FinlandView mapDirections
Syke publishes the water-quality measurements for Säräjärvi. Here is what has been measured.
- 33 ft max depth
- Limited data
Säräjärvi in Lohja, Finland has official water-quality measurements, shown as reported. Water clarity: 1 m visibility. Phosphorus: 8 µg/L. Maximum depth: 32.8 ft.
How Säräjärvi is classified
Säräjärvi 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 and phosphorus, but not 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.
Säräjärvi is a lake in Lohja County, Finland with a maximum depth of 33 feet.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2020-03-26. Methodology: how these readings are compared.
What Säräjärvi is good for
From access and monitoring records, not editorial picks.
- Deep water32.8 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 Säräjärvi 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 Säräjärvi
These are the measurements Syke publishes for Säräjärvi. More on the source.
Very murky, less than 3.3 ft of visibility. Phosphorus 8 µg/L. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 8µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | No reading 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. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Säräjärvi
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
10 m
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Frequently asked questions about Säräjärvi
Where is Säräjärvi?
- Säräjärvi is a lake in Lohja, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Säräjärvi?
- Säräjärvi in Lohja, Finland has official water-quality measurements, shown as reported. Water clarity: 1 m visibility. Phosphorus: 8 µg/L. Maximum depth: 32.8 ft.
Is Säräjärvi safe to swim in?
- Säräjärvi 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 Säräjärvi?
- Säräjärvi has a maximum depth of 32.8 feet.
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Where this data comes from
2 measurements from 1 monitoring station, 2020. 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 · 2020
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
55226
Authority classifications are shown as the authority published them. See where the data comes from and data sources.