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LakeQuality

Mehtiö Lake

Pieksämäki, FinlandView mapDirections

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

Clarity
1.8 m
Typical for Finland
Secchi · sampled 2023
Phosphorus
13.5 µg/L
Typical for Finland
Measured by Syke
Chlorophyll-a
5.5 µg/L
Typical for Finland
Measured by Syke
Max depth
48 m
Bathymetric survey
  • 158 ft max depth
  • Limited data

Mehtiö Lake in Pieksämäki, Finland has official water-quality measurements, shown as reported. Water clarity: 1.8 m visibility. Phosphorus: 13.5 µg/L. Chlorophyll-a (algae): 5.5 µg/L. Maximum depth: 157.5 ft.

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How Mehtiö Lake is classified

Mehtiö 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.

Mehtiö Lake is a lake in Pieksämäki County, Finland with a maximum depth of 158 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2023-10-25. Methodology: how these readings are compared.

What Mehtiö Lake is good for

From access and monitoring records, not editorial picks.

  • Deep water157.5 ft surveyed max depth

Swimming conditions

No reading

Limited data

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

Whether Mehtiö 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 Mehtiö Lake

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

Murky, only visible to about 5.7 ft. Phosphorus 13.5 µg/L. Chlorophyll-a 5.5 µg/L. TSI 47.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1.75mMeasured, not scored

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

Total phosphorus13.5µg/LMeasured, not scored

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

Chlorophyll-a (algae)5.5µg/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.47Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Mehtiö Lake

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

Lake Details

Max depth

48 m

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Fishing Mehtiö Lake

Frequently asked questions about Mehtiö Lake

Where is Mehtiö Lake?

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

What is the water quality of Mehtiö Lake?

Mehtiö Lake in Pieksämäki, Finland has official water-quality measurements, shown as reported. Water clarity: 1.8 m visibility. Phosphorus: 13.5 µg/L. Chlorophyll-a (algae): 5.5 µg/L. Maximum depth: 157.5 ft.

Measurements on this page ↑

Is Mehtiö Lake safe to swim in?

Mehtiö 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 Mehtiö Lake?

Mehtiö Lake has a maximum depth of 157.5 feet.

Where this data comes from

17 measurements from 1 monitoring station, 2017–2023. 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-vesla17 samples · 2017–2023

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 14670

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