Is Zioło safe to swim in?

Zioło 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.

Zioło

Not yet rated

0.7 m clear · Hypereutrophic

Limited DataHypereutrophic

Zioło in LW10193, Poland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.7 m visibility. Phosphorus: 212 µg/L.

Clarity: 0.7 m

Where to stay →Safe to swim?

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Why Zioło has no A–F grade

Zioło in Poland is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded water clarity and phosphorus, but not algae (chlorophyll-a).

A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.

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

Zioło is a lake in LW10193 County, Poland.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-04-29. Grade methodology: LakeGrade methodology.

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Swimming Safety

Not rated

Limited data

Not rated for swimming — there is not enough monitoring data to judge this lake

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Water quality measurements for Zioło

These readings exist but do not meet the evidence bar for an A–F grade — see why.

Very murky, less than 2.3 ft of visibility. Phosphorus level: 212 µg/L. Trophic State Index: 73.

Metric	Value	Grade
Water Clarity (Secchi Depth)	0.7 m	Not graded
Phosphorus	212 µg/L	Not graded
Chlorophyll-a (Algae)	No recent samples
Trophic State Index (TSI)	73	Hypereutrophic

Very high nutrients, dense algae, poor clarity

Where to stay near Zioło

Compare lakeside cabins, hotels, and vacation rentals near Zioło in LW10193, 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.

Top-rated places to stay near Zioło

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Fishing Zioło

→ Zioło fishing regulations (limits, seasons, special rules)

Frequently asked questions about Zioło

What is the water quality of Zioło?: Zioło in LW10193, Poland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.7 m visibility. Phosphorus: 212 µg/L.
Is Zioło safe to swim in?: Zioło 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.

Explore Zioło across LakeGrade

Lake Fishing Forecast

Species activity outlook by water temperature and season

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Lakes in Poland

Official water quality for lakes in Poland

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EU bathing ratings and named-lake measurements

Where this data comes from

10 measurements from 1 monitoring station, 2024–2026. Retrieved from GIOŚ lake monitoring (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

Główny Inspektorat Ochrony Środowiskagios-pjwp10 samples · —

Analytical methods

GIOŚ PJWP lake monitoring

Monitoring station identifiers (1)

PL02S0602_0346

Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.

Data Sources

Water quality data from the EPA Water Quality Portal

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion

Most recent sample: 2026-04-29

Monitoring stations: 1

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