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LakeQuality

Tervajärvi

Kangasala, FinlandView mapDirections

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

Clarity
0.7 m
Murkier than most
Secchi · sampled 2026
Phosphorus
50 µg/L
More phosphorus than most
Measured by Syke
Max depth
3.4 m
Bathymetric survey
  • 11 ft max depth
  • Limited data

Tervajärvi in Kangasala, Finland has official water-quality measurements, shown as reported. Water clarity: 0.7 m visibility. Phosphorus: 50 µg/L. Maximum depth: 11.2 ft.

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How Tervajärvi is classified

Tervajärvi 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.

Tervajärvi is a lake in Kangasala 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 2026-07-27. 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 Tervajärvi 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 Tervajärvi

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

Very murky, less than 2.3 ft of visibility. Phosphorus 50 µg/L. TSI 63.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.7mMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus50µg/LMeasured, 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.63Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Tervajärvi

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 Tervajärvi

Frequently asked questions about Tervajärvi

Where is Tervajärvi?

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

What is the water quality of Tervajärvi?

Tervajärvi in Kangasala, Finland has official water-quality measurements, shown as reported. Water clarity: 0.7 m visibility. Phosphorus: 50 µg/L. Maximum depth: 11.2 ft.

Measurements on this page ↑

Is Tervajärvi safe to swim in?

Tervajärvi 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.

Swimming on this page ↑

How deep is Tervajärvi?

Tervajärvi has a maximum depth of 11.2 feet.

Where this data comes from

48 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-vesla48 samples · 2016–2026

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 9226

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