Gardno
LW21028, PolandView mapDirections
GIOŚ publishes the water-quality measurements for Gardno. Here is what has been measured.
- Limited data
Gardno in LW21028, Poland has official water-quality measurements, shown as reported. Water clarity: 0.4 m visibility. Phosphorus: 203 µg/L. Chlorophyll-a (algae): 130.2 µg/L.
How Gardno is classified
Gardno 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).
Gardno is a lake in LW21028 County, Poland.
Source: the Chief Inspectorate of Environmental Protection (Główny Inspektorat Ochrony Środowiska) — not the EPA Water Quality Portal, last sampled 2026-06-08. 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 Gardno 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 Gardno
These are the measurements GIOŚ publishes for Gardno. More on the source.
Very murky, less than 1.1 ft of visibility. Phosphorus 203 µg/L. Chlorophyll-a 130.2 µg/L. TSI 78.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.35m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 203µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 130µg/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. | 78 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
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Frequently asked questions about Gardno
Where is Gardno?
- Gardno is a lake in LW21028, Poland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Gardno?
- Gardno in LW21028, Poland has official water-quality measurements, shown as reported. Water clarity: 0.4 m visibility. Phosphorus: 203 µg/L. Chlorophyll-a (algae): 130.2 µg/L.
Is Gardno safe to swim in?
- Gardno 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
5 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 Środowiska
gios-pjwp5 samples · —
Analytical methods
- GIOŚ PJWP lake monitoring
Monitoring station identifiers (1)
PL01S0202_0067
Authority classifications are shown as the authority published them. See where the data comes from and data sources.