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LakeQuality

Ala-Pajujärvi

Heinola, FinlandView mapDirections

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

Clarity
1.7 m
Typical for Finland
Secchi · sampled 2026
Phosphorus
16 µg/L
Typical for Finland
Measured by Syke
Chlorophyll-a
9.2 µg/L
Typical for Finland
Measured by Syke
  • Limited data

Ala-Pajujärvi in Heinola, Finland has official water-quality measurements, shown as reported. Water clarity: 1.7 m visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 9.2 µg/L.

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How Ala-Pajujärvi is classified

Ala-Pajujärvi 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.

Ala-Pajujärvi is a lake in Heinola County, Finland.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-07-09. 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 Ala-Pajujärvi 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 Ala-Pajujärvi

These are the measurements Syke publishes for Ala-Pajujärvi. More on the source.

Murky, only visible to about 5.6 ft. Phosphorus 16 µg/L. Chlorophyll-a 9.2 µg/L. TSI 50.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1.7mMeasured, not scored

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

Total phosphorus16µg/LMeasured, not scored

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

Chlorophyll-a (algae)9.2µg/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.50Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Ala-Pajujärvi

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

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Fishing Ala-Pajujärvi

Frequently asked questions about Ala-Pajujärvi

Where is Ala-Pajujärvi?

Ala-Pajujärvi is a lake in Heinola, Finland. This page reports official water-quality measurements, shown as reported.

What is the water quality of Ala-Pajujärvi?

Ala-Pajujärvi in Heinola, Finland has official water-quality measurements, shown as reported. Water clarity: 1.7 m visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 9.2 µg/L.

Measurements on this page ↑

Is Ala-Pajujärvi safe to swim in?

Ala-Pajujärvi 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 ↑

Where this data comes from

20 measurements from 2 monitoring stations, 2017–2026. 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-vesla20 samples · 2017–2026

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (2)
  • 69428
  • 70754

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