Where is Iso Petäjälampi?

Iso Petäjälampi is a lake in Kuusamo, Finland. This page reports official water-quality measurements, shown as reported.

Is Iso Petäjälampi safe to swim in?

Iso Petäjälampi 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 Iso Petäjälampi?

Iso Petäjälampi has a maximum depth of 10.2 feet.

Iso Petäjälampi

Kuusamo, FinlandView map Directions

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

Clarity

2.7 m

Clearer than most

Secchi · sampled 2021

Phosphorus

6.2 µg/L

Less phosphorus than most

Measured by Syke

Max depth

3.1 m

Bathymetric survey

10 ft max depth
Limited data

See the measurements Directions Where to stay

Iso Petäjälampi in Kuusamo, Finland has official water-quality measurements, shown as reported. Water clarity: 2.7 m visibility. Phosphorus: 6.2 µg/L. Maximum depth: 10.2 ft.

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How Iso Petäjälampi is classified

Iso Petäjälampi 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 and phosphorus, but not 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.

Iso Petäjälampi is a lake in Kuusamo County, Finland with a maximum depth of 10 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2021-03-18. 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 Iso Petäjälampi 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 Iso Petäjälampi

These are the measurements Syke publishes for Iso Petäjälampi. More on the source.

Moderate clarity, visible to about 8.9 ft. Phosphorus 6.2 µg/L. TSI 38.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	2.7m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	6.2µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)		No reading 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.	38	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Iso Petäjälampi

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

Lake Details

Max depth

3.1 m

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Fishing Iso Petäjälampi

→ Iso Petäjälampi fishing regulations (limits, seasons, special rules)

Frequently asked questions about Iso Petäjälampi

Where is Iso Petäjälampi?: Iso Petäjälampi is a lake in Kuusamo, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Iso Petäjälampi?: Iso Petäjälampi in Kuusamo, Finland has official water-quality measurements, shown as reported. Water clarity: 2.7 m visibility. Phosphorus: 6.2 µg/L. Maximum depth: 10.2 ft.
Is Iso Petäjälampi safe to swim in?: Iso Petäjälampi 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 Iso Petäjälampi?: Iso Petäjälampi has a maximum depth of 10.2 feet.

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Where this data comes from

2 measurements from 1 monitoring station, 2021. 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-vesla2 samples · 2021

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

30086

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