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LakeQuality

Tihmas Lake

Juva, FinlandView mapDirections

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

Clarity
0.5 m
Murkier than most
Secchi · sampled 2024
Phosphorus
35.5 µg/L
More phosphorus than most
Measured by Syke
Chlorophyll-a
18 µg/L
More algae than most
Measured by Syke
Max depth
6 m
Bathymetric survey
  • 20 ft max depth
  • Limited data

Tihmas Lake in Juva, Finland has official water-quality measurements, shown as reported. Water clarity: 0.5 m visibility. Phosphorus: 35.5 µg/L. Chlorophyll-a (algae): 18 µg/L. Maximum depth: 19.7 ft.

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How Tihmas Lake is classified

Tihmas 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.

Tihmas Lake is a lake in Juva 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 2024-08-07. 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 Tihmas 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 Tihmas Lake

These are the measurements Syke publishes for Tihmas Lake. More on the source.

Very murky, less than 1.6 ft of visibility. Phosphorus 35.5 µg/L. Chlorophyll-a 18 µg/L. TSI 62.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.5mMeasured, not scored

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

Total phosphorus35.5µg/LMeasured, not scored

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

Chlorophyll-a (algae)18µg/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.62Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Tihmas Lake

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

Lake Details

Max depth

6 m

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Fishing Tihmas Lake

Frequently asked questions about Tihmas Lake

Where is Tihmas Lake?

Tihmas Lake is a lake in Juva, Finland. This page reports official water-quality measurements, shown as reported.

What is the water quality of Tihmas Lake?

Tihmas Lake in Juva, Finland has official water-quality measurements, shown as reported. Water clarity: 0.5 m visibility. Phosphorus: 35.5 µg/L. Chlorophyll-a (algae): 18 µg/L. Maximum depth: 19.7 ft.

Measurements on this page ↑

Is Tihmas Lake safe to swim in?

Tihmas 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 Tihmas Lake?

Tihmas Lake has a maximum depth of 19.7 feet.

Where this data comes from

60 measurements from 1 monitoring station, 2016–2024. 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-vesla60 samples · 2016–2024

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 13635

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