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LakeQuality

Porkkalampi

Joutsa, FinlandView mapDirections

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

Clarity
0.7 m
Murkier than most
Secchi · sampled 2026
Phosphorus
23 µg/L
Typical for Finland
Measured by Syke
Chlorophyll-a
10.5 µg/L
Typical for Finland
Measured by Syke
Max depth
2 m
Bathymetric survey
  • 7 ft max depth
  • Limited data

Porkkalampi in Joutsa, Finland has official water-quality measurements, shown as reported. Water clarity: 0.7 m visibility. Phosphorus: 23 µg/L. Chlorophyll-a (algae): 10.5 µg/L. Maximum depth: 6.6 ft.

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How Porkkalampi is classified

Porkkalampi 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.

Porkkalampi is a lake in Joutsa County, Finland with a maximum depth of 7 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-02-17. 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 Porkkalampi 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 Porkkalampi

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

Very murky, less than 2.3 ft of visibility. Phosphorus 23 µg/L. Chlorophyll-a 10.5 µg/L. TSI 56.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.7mMeasured, not scored

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

Total phosphorus23µg/LMeasured, not scored

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

Chlorophyll-a (algae)10.5µg/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.56Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Porkkalampi

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

Lake Details

Max depth

2 m

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Fishing Porkkalampi

Frequently asked questions about Porkkalampi

Where is Porkkalampi?

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

What is the water quality of Porkkalampi?

Porkkalampi in Joutsa, Finland has official water-quality measurements, shown as reported. Water clarity: 0.7 m visibility. Phosphorus: 23 µg/L. Chlorophyll-a (algae): 10.5 µg/L. Maximum depth: 6.6 ft.

Measurements on this page ↑

Is Porkkalampi safe to swim in?

Porkkalampi 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 Porkkalampi?

Porkkalampi has a maximum depth of 6.6 feet.

Where this data comes from

52 measurements from 1 monitoring station, 2016–2026. 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-vesla52 samples · 2016–2026

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 26103

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