Piaseczno
Piaseczno in LW30692, Poland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 5.3 m visibility. Chlorophyll-a (algae): 2.4 µg/L.
- Clarity
- 5.3 m
Why Piaseczno has no A–F grade
Piaseczno 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 algae (chlorophyll-a), but not phosphorus.
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).
Piaseczno is a lake in LW30692 County, Poland.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-06-22. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Piaseczno
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Crystal clear, you can see 17.2 ft down. Chlorophyll-a: 2.4 µg/L. Trophic State Index: 38.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.25 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 2.4 µg/L | Not graded |
| Trophic State Index (TSI) | 38 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Piaseczno
Compare lakeside cabins, hotels, and vacation rentals near Piaseczno in LW30692, 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 Piaseczno
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Fishing Piaseczno
Frequently asked questions about Piaseczno
What is the water quality of Piaseczno?
- Piaseczno in LW30692, Poland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 5.3 m visibility. Chlorophyll-a (algae): 2.4 µg/L.
Is Piaseczno safe to swim in?
- Piaseczno 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 Piaseczno across LakeGrade
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Where this data comes from
3 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-pjwp3 samples · —
Analytical methods
- GIOŚ PJWP lake monitoring
Monitoring station identifiers (1)
PL01S1102_0659
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: 2026-06-22
Monitoring stations: 1