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LakeQuality

Sysilaxviken Lake

Parainen, FinlandView mapDirections

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

Clarity
0.6 m
Murkier than most
Secchi · sampled 2025
Phosphorus
77 µg/L
More phosphorus than most
Measured by Syke
Chlorophyll-a
45 µg/L
More algae than most
Measured by Syke
Max depth
3.5 m
Bathymetric survey
  • 12 ft max depth
  • Limited data

Sysilaxviken Lake in Parainen, Finland has official water-quality measurements, shown as reported. Water clarity: 0.6 m visibility. Phosphorus: 77 µg/L. Chlorophyll-a (algae): 45 µg/L. Maximum depth: 11.5 ft.

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How Sysilaxviken Lake is classified

Sysilaxviken Lake 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.

Sysilaxviken Lake is a lake in Parainen County, Finland with a maximum depth of 12 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2025-09-11. 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 Sysilaxviken Lake 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 Sysilaxviken Lake

These are the measurements Syke publishes for Sysilaxviken Lake. More on the source.

Very murky, less than 1.8 ft of visibility. Phosphorus 77 µg/L. Chlorophyll-a 45 µg/L. TSI 68.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.55mMeasured, not scored

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

Total phosphorus77µg/LMeasured, not scored

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

Chlorophyll-a (algae)45µg/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.68Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Sysilaxviken Lake

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

Lake Details

Max depth

3.5 m

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Stays near Sysilaxviken Lake

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Fishing Sysilaxviken Lake

Frequently asked questions about Sysilaxviken Lake

Where is Sysilaxviken Lake?

Sysilaxviken Lake is a lake in Parainen, Finland. This page reports official water-quality measurements, shown as reported.

What is the water quality of Sysilaxviken Lake?

Sysilaxviken Lake in Parainen, Finland has official water-quality measurements, shown as reported. Water clarity: 0.6 m visibility. Phosphorus: 77 µg/L. Chlorophyll-a (algae): 45 µg/L. Maximum depth: 11.5 ft.

Measurements on this page ↑

Is Sysilaxviken Lake safe to swim in?

Sysilaxviken Lake 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 Sysilaxviken Lake?

Sysilaxviken Lake has a maximum depth of 11.5 feet.

Where this data comes from

50 measurements from 1 monitoring station, 2017–2025. 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-vesla50 samples · 2017–2025

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 6704

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