Where is Suuri Linnanen Lake?

Suuri Linnanen Lake is a lake in Mikkeli, Finland. This page reports official water-quality measurements, shown as reported.

Is Suuri Linnanen Lake safe to swim in?

Suuri Linnanen 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.

How deep is Suuri Linnanen Lake?

The available depth estimate for Suuri Linnanen Lake is shallower than its measured water clarity, which cannot be right, so no depth is shown.

Suuri Linnanen Lake

Mikkeli, FinlandView map Directions

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

Clarity

1.5 m

Typical for Finland

Secchi · sampled 2023

Phosphorus

7.5 µg/L

Less phosphorus than most

Measured by Syke

Chlorophyll-a

5 µg/L

Typical for Finland

Measured by Syke

Limited data

See the measurements Directions Where to stay

Suuri Linnanen Lake in Mikkeli, Finland has official water-quality measurements, shown as reported. Water clarity: 1.5 m visibility. Phosphorus: 7.5 µg/L. Chlorophyll-a (algae): 5 µg/L.

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How Suuri Linnanen Lake is classified

Suuri Linnanen 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.

Suuri Linnanen Lake is a lake in Mikkeli County, Finland.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2023-09-05. 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 Suuri Linnanen 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 Suuri Linnanen Lake

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

Murky, only visible to about 4.8 ft. Phosphorus 7.5 µg/L. Chlorophyll-a 5 µg/L. TSI 45.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	1.45m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	7.5µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	5µg/L	Measured, 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.	45	Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Suuri Linnanen Lake

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

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Fishing Suuri Linnanen Lake

→ Suuri Linnanen Lake fishing regulations (limits, seasons, special rules)

Frequently asked questions about Suuri Linnanen Lake

Where is Suuri Linnanen Lake?: Suuri Linnanen Lake is a lake in Mikkeli, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Suuri Linnanen Lake?: Suuri Linnanen Lake in Mikkeli, Finland has official water-quality measurements, shown as reported. Water clarity: 1.5 m visibility. Phosphorus: 7.5 µg/L. Chlorophyll-a (algae): 5 µg/L.
Is Suuri Linnanen Lake safe to swim in?: Suuri Linnanen 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.
How deep is Suuri Linnanen Lake?: The available depth estimate for Suuri Linnanen Lake is shallower than its measured water clarity, which cannot be right, so no depth is shown.

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Where this data comes from

6 measurements from 1 monitoring station, 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-vesla6 samples · 2023

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

15781

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