Where is Rusutjärvi?

Rusutjärvi is a lake in Tuusula, Finland. This page reports official water-quality measurements, shown as reported.

Is Rusutjärvi safe to swim in?

Rusutjärvi 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 Rusutjärvi?

Rusutjärvi has a maximum depth of 11.2 feet.

Rusutjärvi

Tuusula, FinlandView map Directions

Syke publishes the water-quality measurements for Rusutjärvi. Here is what has been measured.

Clarity

0.8 m

Murkier than most

Secchi · sampled 2026

Phosphorus

49 µg/L

More phosphorus than most

Measured by Syke

Chlorophyll-a

33 µg/L

More algae than most

Measured by Syke

Max depth

3.4 m

Bathymetric survey

11 ft max depth
Limited data

See the measurements Directions Where to stay

Rusutjärvi in Tuusula, Finland has official water-quality measurements, shown as reported. Water clarity: 0.8 m visibility. Phosphorus: 49 µg/L. Chlorophyll-a (algae): 33 µg/L. Maximum depth: 11.2 ft.

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How Rusutjärvi is classified

Rusutjärvi 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.

Rusutjärvi is a lake in Tuusula County, Finland with a maximum depth of 11 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-03-09. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Rusutjärvi 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.

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Water quality measurements for Rusutjärvi

These are the measurements Syke publishes for Rusutjärvi. More on the source.

Very murky, less than 2.6 ft of visibility. Phosphorus 49 µg/L. Chlorophyll-a 33 µg/L. TSI 63.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	0.8m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	49µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	33µg/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.	63	Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Rusutjärvi

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

3.4 m

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Fishing Rusutjärvi

→ Rusutjärvi fishing regulations (limits, seasons, special rules)

Frequently asked questions about Rusutjärvi

Where is Rusutjärvi?: Rusutjärvi is a lake in Tuusula, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Rusutjärvi?: Rusutjärvi in Tuusula, Finland has official water-quality measurements, shown as reported. Water clarity: 0.8 m visibility. Phosphorus: 49 µg/L. Chlorophyll-a (algae): 33 µg/L. Maximum depth: 11.2 ft.
Is Rusutjärvi safe to swim in?: Rusutjärvi 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 Rusutjärvi?: Rusutjärvi has a maximum depth of 11.2 feet.

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Where this data comes from

164 measurements from 1 monitoring station, 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 Centressyke-vesla164 samples · 2016–2026

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

830

Authority classifications are shown as the authority published them. See where the data comes from and data sources.