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LakeQuality

Iso-Tarus Lake

Padasjoki, FinlandView mapDirections

Syke publishes the water-quality measurements for Iso-Tarus Lake. Here is what has been measured.

Clarity
1.3 m
Typical for Finland
Secchi · sampled 2022
Phosphorus
16 µg/L
Typical for Finland
Measured by Syke
Chlorophyll-a
10.9 µg/L
Typical for Finland
Measured by Syke
Max depth
6 m
Bathymetric survey
  • 20 ft max depth
  • Limited data

Iso-Tarus Lake in Padasjoki, Finland has official water-quality measurements, shown as reported. Water clarity: 1.3 m visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 10.9 µg/L. Maximum depth: 19.7 ft.

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How Iso-Tarus Lake is classified

Iso-Tarus Lake 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.

Iso-Tarus Lake is a lake in Padasjoki County, Finland with a maximum depth of 20 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2022-08-30. 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 Iso-Tarus Lake 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 Iso-Tarus Lake

These are the measurements Syke publishes for Iso-Tarus Lake. More on the source.

Murky, only visible to about 4.3 ft. Phosphorus 16 µg/L. Chlorophyll-a 10.9 µg/L. TSI 51.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1.3mMeasured, not scored

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

Total phosphorus16µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)10.9µg/LMeasured, 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.51Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

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

Lake Details

Max depth

6 m

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Frequently asked questions about Iso-Tarus Lake

Where is Iso-Tarus Lake?

Iso-Tarus Lake is a lake in Padasjoki, Finland. This page reports official water-quality measurements, shown as reported.

What is the water quality of Iso-Tarus Lake?

Iso-Tarus Lake in Padasjoki, Finland has official water-quality measurements, shown as reported. Water clarity: 1.3 m visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 10.9 µg/L. Maximum depth: 19.7 ft.

Measurements on this page ↑

Is Iso-Tarus Lake safe to swim in?

Iso-Tarus Lake 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 Iso-Tarus Lake?

Iso-Tarus Lake has a maximum depth of 19.7 feet.

Where this data comes from

8 measurements from 1 monitoring station, 2022. 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-vesla8 samples · 2022

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 82

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