Polley Lake
Quesnel River, British ColumbiaView mapDirections
ENV publishes the water-quality measurements for Polley Lake. Here is what has been measured.
- Limited data
Polley Lake in Quesnel River, British Columbia has water-quality measurements published by ENV, shown here as reported. Phosphorus: 13.2 µg/L. Chlorophyll-a (algae): 1.2 µg/L.
Polley Lake is a lake in Quesnel River County, British Columbia.
Source: the British Columbia Ministry of Environment and Parks — not the EPA Water Quality Portal, last sampled 2026-08-18. 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 Polley Lake is safe to swim in today is a call for the British Columbia Ministry of Environment and Parks and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Polley Lake
These are the measurements ENV publishes for Polley Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 13.2 µg/L. Chlorophyll-a 1.2 µg/L. TSI 37.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 13.2µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 1.2µg/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. | 37 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
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Frequently asked questions about Polley Lake
Where is Polley Lake?
- Polley Lake is a lake in Quesnel River, British Columbia. Its water-quality measurements are published by ENV and shown on this page as reported.
What is the water quality of Polley Lake?
- Polley Lake in Quesnel River, British Columbia has water-quality measurements published by ENV, shown here as reported. Phosphorus: 13.2 µg/L. Chlorophyll-a (algae): 1.2 µg/L.
Is Polley Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Polley Lake across LakeQuality
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Where this data comes from
323 measurements from 2 monitoring stations, 2017–2026. Retrieved from British Columbia EnMoDS (not the EPA Water Quality Portal) on 2026-09-06.
Collected and reported by
- British Columbia Ministry of Environment and Parks
enmods-bc323 samples · 2017–2026
Monitoring station identifiers (2)
E207974E207975
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.