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LakeQuality

Tonowskie

LW10204, PolandView mapDirections

GIOŚ publishes the water-quality measurements for Tonowskie. Here is what has been measured.

Clarity
0.5 m
Murkier than most
Secchi · sampled 2026
Phosphorus
185.5 µg/L
More phosphorus than most
Measured by GIOŚ
  • Limited data

Tonowskie in LW10204, Poland has official water-quality measurements, shown as reported. Water clarity: 0.5 m visibility. Phosphorus: 185.5 µg/L.

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How Tonowskie is classified

Tonowskie in Poland 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 and phosphorus, but not algae (chlorophyll-a).

LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.

Monitoring: the Chief Inspectorate of Environmental Protection (Główny Inspektorat Ochrony Środowiska).

Tonowskie is a lake in LW10204 County, Poland.

Source: the Chief Inspectorate of Environmental Protection (Główny Inspektorat Ochrony Środowiska) — not the EPA Water Quality Portal, last sampled 2026-06-10. 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 Tonowskie is safe to swim in today is a call for the Chief Inspectorate of Environmental Protection (Główny Inspektorat Ochrony Środowiska) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Tonowskie

These are the measurements GIOŚ publishes for Tonowskie. More on the source.

Very murky, less than 1.5 ft of visibility. Phosphorus 185.5 µg/L. TSI 75.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.45mMeasured, not scored

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

Total phosphorus186µg/LMeasured, not scored

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

Chlorophyll-a (algae)No reading

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.75Hypereutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Very high nutrients, dense algae, poor clarity

Ask about Tonowskie

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

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Stays near Tonowskie

Compare lakeside cabins, hotels, and vacation rentals near Tonowskie in LW10204, Poland — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

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Fishing Tonowskie

Frequently asked questions about Tonowskie

Where is Tonowskie?

Tonowskie is a lake in LW10204, Poland. This page reports official water-quality measurements, shown as reported.

What is the water quality of Tonowskie?

Tonowskie in LW10204, Poland has official water-quality measurements, shown as reported. Water clarity: 0.5 m visibility. Phosphorus: 185.5 µg/L.

Measurements on this page ↑

Is Tonowskie safe to swim in?

Tonowskie 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

4 measurements from 1 monitoring station, 2026. Retrieved from GIOŚ lake monitoring (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

  • Główny Inspektorat Ochrony Środowiskagios-pjwp4 samples · —

Analytical methods

  • GIOŚ PJWP lake monitoring
Monitoring station identifiers (1)
  • PL02S0602_3036

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