Berżnik
LW30676, PolandView mapDirections
GIOŚ publishes the water-quality measurements for Berżnik. Here is what has been measured.
- Limited data
Berżnik in LW30676, Poland has official water-quality measurements, shown as reported. Water clarity: 4.8 m visibility. Phosphorus: 52 µg/L. Chlorophyll-a (algae): 3.3 µg/L.
How Berżnik is classified
Berżnik 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).
Berżnik is a lake in LW30676 County, Poland.
Source: the Chief Inspectorate of Environmental Protection (Główny Inspektorat Ochrony Środowiska) — not the EPA Water Quality Portal, last sampled 2025-10-28. Methodology: how these readings are compared.
What Berżnik is good for
From access and monitoring records, not editorial picks.
- Clear water15.6 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Berżnik 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.
Water quality measurements for Berżnik
These are the measurements GIOŚ publishes for Berżnik. More on the source.
Crystal clear, you can see 15.6 ft down. Phosphorus 52 µg/L. Chlorophyll-a 3.3 µg/L. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.75m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 52µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 3.3µg/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. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Berżnik
Answers come straight from the public measurements and survey records on this page.
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Frequently asked questions about Berżnik
Where is Berżnik?
- Berżnik is a lake in LW30676, Poland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Berżnik?
- Berżnik in LW30676, Poland has official water-quality measurements, shown as reported. Water clarity: 4.8 m visibility. Phosphorus: 52 µg/L. Chlorophyll-a (algae): 3.3 µg/L.
Is Berżnik safe to swim in?
- Berżnik 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
9 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 Środowiska
gios-pjwp9 samples · —
Analytical methods
- GIOŚ PJWP lake monitoring
Monitoring station identifiers (1)
PL07S0802_0093
Authority classifications are shown as the authority published them. See where the data comes from and data sources.