Where is Dolskie Wielkie?

Dolskie Wielkie is a lake in LW10123, Poland. This page reports official water-quality measurements, shown as reported.

Is Dolskie Wielkie safe to swim in?

Dolskie Wielkie 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.

Dolskie Wielkie

LW10123, PolandView map Directions

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

Clarity

0.6 m

Murkier than most

Secchi · sampled 2025

Phosphorus

95.5 µg/L

More phosphorus than most

Measured by GIOŚ

Chlorophyll-a

63.2 µg/L

More algae than most

Measured by GIOŚ

Limited data

See the measurements Directions Where to stay

Dolskie Wielkie in LW10123, Poland has official water-quality measurements, shown as reported. Water clarity: 0.6 m visibility. Phosphorus: 95.5 µg/L. Chlorophyll-a (algae): 63.2 µg/L.

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How Dolskie Wielkie is classified

Dolskie Wielkie 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, 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 Chief Inspectorate of Environmental Protection (Główny Inspektorat Ochrony Środowiska).

Dolskie Wielkie is a lake in LW10123 County, Poland.

Source: the Chief Inspectorate of Environmental Protection (Główny Inspektorat Ochrony Środowiska) — not the EPA Water Quality Portal, last sampled 2025-10-14. 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 Dolskie Wielkie 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 Dolskie Wielkie

These are the measurements GIOŚ publishes for Dolskie Wielkie. More on the source.

Very murky, less than 2 ft of visibility. Phosphorus 95.5 µg/L. Chlorophyll-a 63.2 µg/L. TSI 70.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	0.6m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	95.5µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	63.2µg/L	Measured, 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.	70	Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Dolskie Wielkie

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

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Stays near Dolskie Wielkie

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Fishing Dolskie Wielkie

→ Dolskie Wielkie fishing regulations (limits, seasons, special rules)

Frequently asked questions about Dolskie Wielkie

Where is Dolskie Wielkie?: Dolskie Wielkie is a lake in LW10123, Poland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Dolskie Wielkie?: Dolskie Wielkie in LW10123, Poland has official water-quality measurements, shown as reported. Water clarity: 0.6 m visibility. Phosphorus: 95.5 µg/L. Chlorophyll-a (algae): 63.2 µg/L.
Is Dolskie Wielkie safe to swim in?: Dolskie Wielkie 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.

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Where this data comes from

12 measurements from 1 monitoring station, 2025. Retrieved from GIOŚ lake monitoring (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

Główny Inspektorat Ochrony Środowiskagios-pjwp12 samples · —

Analytical methods

GIOŚ PJWP lake monitoring

Monitoring station identifiers (1)

PL02S0502_3165

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