Where is Siekkisjärvi?

Siekkisjärvi is a lake in Virrat, Finland. This page reports official water-quality measurements, shown as reported.

Is Siekkisjärvi safe to swim in?

Siekkisjärvi 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 Siekkisjärvi?

Siekkisjärvi has a maximum depth of 66.9 feet.

Siekkisjärvi

Virrat, FinlandView map Directions

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

Clarity

2.2 m

Clearer than most

Secchi · sampled 2023

Phosphorus

9.4 µg/L

Less phosphorus than most

Measured by Syke

Chlorophyll-a

4.8 µg/L

Typical for Finland

Measured by Syke

Max depth

20.4 m

Bathymetric survey

67 ft max depth
Limited data

See the measurements Directions Where to stay

Siekkisjärvi in Virrat, Finland has official water-quality measurements, shown as reported. Water clarity: 2.2 m visibility. Phosphorus: 9.4 µg/L. Chlorophyll-a (algae): 4.8 µg/L. Maximum depth: 66.9 ft.

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How Siekkisjärvi is classified

Siekkisjärvi 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.

Siekkisjärvi is a lake in Virrat County, Finland with a maximum depth of 67 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2023-10-03. Methodology: how these readings are compared.

What Siekkisjärvi is good for

From access and monitoring records, not editorial picks.

Deep water66.9 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 Siekkisjärvi 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 Siekkisjärvi

These are the measurements Syke publishes for Siekkisjärvi. More on the source.

Moderate clarity, visible to about 7.2 ft. Phosphorus 9.4 µg/L. Chlorophyll-a 4.8 µg/L. TSI 44.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	2.2m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	9.4µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	4.8µg/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.	44	Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Siekkisjärvi

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

Lake Details

Max depth

20.4 m

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Stays near Siekkisjärvi

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Fishing Siekkisjärvi

→ Siekkisjärvi fishing regulations (limits, seasons, special rules)

Frequently asked questions about Siekkisjärvi

Where is Siekkisjärvi?: Siekkisjärvi is a lake in Virrat, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Siekkisjärvi?: Siekkisjärvi in Virrat, Finland has official water-quality measurements, shown as reported. Water clarity: 2.2 m visibility. Phosphorus: 9.4 µg/L. Chlorophyll-a (algae): 4.8 µg/L. Maximum depth: 66.9 ft.
Is Siekkisjärvi safe to swim in?: Siekkisjärvi 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 Siekkisjärvi?: Siekkisjärvi has a maximum depth of 66.9 feet.

Explore Siekkisjärvi across LakeQuality

Lake Fishing Forecast

Species activity outlook by water temperature and season

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EU bathing ratings and named-lake measurements

Where this data comes from

21 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-vesla21 samples · 2017–2023

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

8502

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