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LakeQuality

Januszewskie

LW20754, PolandView mapDirections

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

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

Januszewskie in LW20754, Poland has official water-quality measurements, shown as reported. Water clarity: 0.6 m visibility. Phosphorus: 94 µg/L.

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How Januszewskie is classified

Januszewskie 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).

Januszewskie is a lake in LW20754 County, Poland.

Source: the Chief Inspectorate of Environmental Protection (Główny Inspektorat Ochrony Środowiska) — not the EPA Water Quality Portal, last sampled 2026-06-17. 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 Januszewskie 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 Januszewskie

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

Very murky, less than 1.8 ft of visibility. Phosphorus 94 µg/L. TSI 69.

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 phosphorus94µg/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.69Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Januszewskie

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

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Fishing Januszewskie

Frequently asked questions about Januszewskie

Where is Januszewskie?

Januszewskie is a lake in LW20754, Poland. This page reports official water-quality measurements, shown as reported.

What is the water quality of Januszewskie?

Januszewskie in LW20754, Poland has official water-quality measurements, shown as reported. Water clarity: 0.6 m visibility. Phosphorus: 94 µg/L.

Measurements on this page ↑

Is Januszewskie safe to swim in?

Januszewskie 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)
  • PL01S0302_0260

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