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LakeQuality

Pietinen Lake

Äänekoski, FinlandView mapDirections

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

Clarity
3 m
Clearer than most
Secchi · sampled 2024
Phosphorus
6.1 µg/L
Less phosphorus than most
Measured by Syke
Chlorophyll-a
4.5 µg/L
Typical for Finland
Measured by Syke
Max depth
13.4 m
Bathymetric survey
  • 44 ft max depth
  • Limited data

Pietinen Lake in Äänekoski, Finland has official water-quality measurements, shown as reported. Water clarity: 3 m visibility. Phosphorus: 6.1 µg/L. Chlorophyll-a (algae): 4.5 µg/L. Maximum depth: 44 ft.

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How Pietinen Lake is classified

Pietinen 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.

Pietinen Lake is a lake in Äänekoski County, Finland with a maximum depth of 44 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2024-10-30. Methodology: how these readings are compared.

What Pietinen Lake is good for

From access and monitoring records, not editorial picks.

  • Deep water44 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 Pietinen 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 Pietinen Lake

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

Moderate clarity, visible to about 9.7 ft. Phosphorus 6.1 µg/L. Chlorophyll-a 4.5 µg/L. TSI 40.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)2.95mMeasured, not scored

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

Total phosphorus6.1µg/LMeasured, not scored

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

Chlorophyll-a (algae)4.5µg/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.40Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

Ask about Pietinen Lake

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

Lake Details

Max depth

13.4 m

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Stays near Pietinen Lake

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Fishing Pietinen Lake

Frequently asked questions about Pietinen Lake

Where is Pietinen Lake?

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

What is the water quality of Pietinen Lake?

Pietinen Lake in Äänekoski, Finland has official water-quality measurements, shown as reported. Water clarity: 3 m visibility. Phosphorus: 6.1 µg/L. Chlorophyll-a (algae): 4.5 µg/L. Maximum depth: 44 ft.

Measurements on this page ↑

Is Pietinen Lake safe to swim in?

Pietinen 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 Pietinen Lake?

Pietinen Lake has a maximum depth of 44 feet.

Where this data comes from

21 measurements from 1 monitoring station, 2017–2024. 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-vesla21 samples · 2017–2024

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 25405

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