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LakeQuality

Hanhijärvi

Lappeenranta, FinlandView mapDirections

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

Clarity
0.5 m
Murkier than most
Secchi · sampled 2023
Phosphorus
53.5 µg/L
More phosphorus than most
Measured by Syke
Chlorophyll-a
52.7 µg/L
More algae than most
Measured by Syke
  • Limited data

Hanhijärvi in Lappeenranta, Finland has official water-quality measurements, shown as reported. Water clarity: 0.5 m visibility. Phosphorus: 53.5 µg/L. Chlorophyll-a (algae): 52.7 µg/L.

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How Hanhijärvi is classified

Hanhijärvi 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.

Hanhijärvi is a lake in Lappeenranta County, Finland.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2023-07-24. 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 Hanhijärvi 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 Hanhijärvi

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

Very murky, less than 1.6 ft of visibility. Phosphorus 53.5 µg/L. Chlorophyll-a 52.7 µg/L. TSI 67.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.5mMeasured, not scored

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

Total phosphorus53.5µg/LMeasured, not scored

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

Chlorophyll-a (algae)52.7µg/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.67Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

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

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Fishing Hanhijärvi

Frequently asked questions about Hanhijärvi

Where is Hanhijärvi?

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

What is the water quality of Hanhijärvi?

Hanhijärvi in Lappeenranta, Finland has official water-quality measurements, shown as reported. Water clarity: 0.5 m visibility. Phosphorus: 53.5 µg/L. Chlorophyll-a (algae): 52.7 µg/L.

Measurements on this page ↑

Is Hanhijärvi safe to swim in?

Hanhijärvi 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

80 measurements from 1 monitoring station, 2016–2023. 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-vesla80 samples · 2016–2023

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 68101

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