Hartley Lake
Elk River, British ColumbiaView mapDirections
ENV publishes the water-quality measurements for Hartley Lake. Here is what has been measured.
- Limited data
Hartley Lake in Elk River, British Columbia has water-quality measurements published by ENV, shown here as reported. Phosphorus: 15.6 µg/L.
Hartley Lake is a lake in Elk River County, British Columbia.
Source: the British Columbia Ministry of Environment and Parks — not the EPA Water Quality Portal, last sampled 2025-08-12. 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 Hartley 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 Hartley Lake
These are the measurements ENV publishes for Hartley 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 15.6 µg/L. TSI 44.
| 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 | 15.6µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | No reading 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. | 44 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Frequently asked questions about Hartley Lake
Where is Hartley Lake?
- Hartley Lake is a lake in Elk River, British Columbia. Its water-quality measurements are published by ENV and shown on this page as reported.
What is the water quality of Hartley Lake?
- Hartley Lake in Elk River, British Columbia has water-quality measurements published by ENV, shown here as reported. Phosphorus: 15.6 µg/L.
Is Hartley Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
2 measurements from 1 monitoring station, 2022–2025. 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-bc2 samples · 2022–2025
Monitoring station identifiers (1)
E329892
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.