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Vanhankylänjärvi Gammelby Träsk

Loviisa, FinlandView mapDirections

Syke publishes the water-quality measurements for Vanhankylänjärvi Gammelby Träsk. Here is what has been measured.

Clarity
0.3 m
Murkier than most
Secchi · sampled 2026
Phosphorus
100 µg/L
More phosphorus than most
Measured by Syke
Chlorophyll-a
48 µg/L
More algae than most
Measured by Syke
Max depth
1 m
Bathymetric survey
  • 3 ft max depth
  • Limited data

Vanhankylänjärvi Gammelby Träsk in Loviisa, Finland has official water-quality measurements, shown as reported. Water clarity: 0.3 m visibility. Phosphorus: 100 µg/L. Chlorophyll-a (algae): 48 µg/L. Maximum depth: 3.3 ft.

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How Vanhankylänjärvi Gammelby Träsk is classified

Vanhankylänjärvi Gammelby Träsk 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.

Vanhankylänjärvi Gammelby Träsk is a lake in Loviisa County, Finland with a maximum depth of 3 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-07-23. 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 Vanhankylänjärvi Gammelby Träsk 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 Vanhankylänjärvi Gammelby Träsk

These are the measurements Syke publishes for Vanhankylänjärvi Gammelby Träsk. More on the source.

Very murky, less than 1 ft of visibility. Phosphorus 100 µg/L. Chlorophyll-a 48 µg/L. TSI 72.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.3mMeasured, not scored

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

Total phosphorus100µg/LMeasured, not scored

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

Chlorophyll-a (algae)48µg/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.72Hypereutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Very high nutrients, dense algae, poor clarity

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

Lake Details

Max depth

1 m

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Frequently asked questions about Vanhankylänjärvi Gammelby Träsk

Where is Vanhankylänjärvi Gammelby Träsk?

Vanhankylänjärvi Gammelby Träsk is a lake in Loviisa, Finland. This page reports official water-quality measurements, shown as reported.

What is the water quality of Vanhankylänjärvi Gammelby Träsk?

Vanhankylänjärvi Gammelby Träsk in Loviisa, Finland has official water-quality measurements, shown as reported. Water clarity: 0.3 m visibility. Phosphorus: 100 µg/L. Chlorophyll-a (algae): 48 µg/L. Maximum depth: 3.3 ft.

Measurements on this page ↑

Is Vanhankylänjärvi Gammelby Träsk safe to swim in?

Vanhankylänjärvi Gammelby Träsk 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 Vanhankylänjärvi Gammelby Träsk?

Vanhankylänjärvi Gammelby Träsk has a maximum depth of 3.3 feet.

Explore Vanhankylänjärvi Gammelby Träsk across LakeQuality

Where this data comes from

13 measurements from 1 monitoring station, 2019–2026. 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-vesla13 samples · 2019–2026

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 2564

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