Skrwilno
LW20012, PolandView mapDirections
GIOŚ publishes the water-quality measurements for Skrwilno. Here is what has been measured.
- Limited data
Skrwilno in LW20012, Poland has official water-quality measurements, shown as reported. Water clarity: 0.4 m visibility. Phosphorus: 419.5 µg/L. Chlorophyll-a (algae): 151.6 µg/L.
How Skrwilno is classified
Skrwilno 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).
Skrwilno is a lake in LW20012 County, Poland.
Source: the Chief Inspectorate of Environmental Protection (Główny Inspektorat Ochrony Środowiska) — not the EPA Water Quality Portal, last sampled 2026-06-05. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Skrwilno 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 Skrwilno
These are the measurements GIOŚ publishes for Skrwilno. More on the source.
Very murky, less than 1.4 ft of visibility. Phosphorus 419.5 µg/L. Chlorophyll-a 151.6 µg/L. TSI 81.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.43m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 420µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 152µg/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. | 81 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
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Frequently asked questions about Skrwilno
Where is Skrwilno?
- Skrwilno is a lake in LW20012, Poland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Skrwilno?
- Skrwilno in LW20012, Poland has official water-quality measurements, shown as reported. Water clarity: 0.4 m visibility. Phosphorus: 419.5 µg/L. Chlorophyll-a (algae): 151.6 µg/L.
Is Skrwilno safe to swim in?
- Skrwilno 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
16 measurements from 1 monitoring station, 2025–2026. Retrieved from GIOŚ lake monitoring (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Główny Inspektorat Ochrony Środowiska
gios-pjwp16 samples · —
Analytical methods
- GIOŚ PJWP lake monitoring
Monitoring station identifiers (1)
PL01S0602_0449
Authority classifications are shown as the authority published them. See where the data comes from and data sources.