Saarijärvi
Lohja, FinlandView mapDirections
Syke publishes the water-quality measurements for Saarijärvi. Here is what has been measured.
- 44 ft max depth
- Limited data
Saarijärvi in Lohja, Finland has official water-quality measurements, shown as reported. Water clarity: 2.1 m visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 7.3 µg/L. Maximum depth: 44.3 ft.
How Saarijärvi is classified
Saarijärvi 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.
Saarijärvi is a lake in Lohja County, Finland with a maximum depth of 44 feet.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-07-15. Methodology: how these readings are compared.
What Saarijärvi is good for
From access and monitoring records, not editorial picks.
- Deep water44.3 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 Saarijärvi 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 Saarijärvi
These are the measurements Syke publishes for Saarijärvi. More on the source.
Moderate clarity, visible to about 6.9 ft. Phosphorus 10 µg/L. Chlorophyll-a 7.3 µg/L. TSI 46.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.1m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 10µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 7.3µg/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. | 46 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Saarijärvi
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
13.5 m
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Frequently asked questions about Saarijärvi
Where is Saarijärvi?
- Saarijärvi is a lake in Lohja, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Saarijärvi?
- Saarijärvi in Lohja, Finland has official water-quality measurements, shown as reported. Water clarity: 2.1 m visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 7.3 µg/L. Maximum depth: 44.3 ft.
Is Saarijärvi safe to swim in?
- Saarijärvi 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 Saarijärvi?
- Saarijärvi has a maximum depth of 44.3 feet.
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Where this data comes from
23 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-vesla23 samples · 2017–2026
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
62268
Authority classifications are shown as the authority published them. See where the data comes from and data sources.