Grave Lake
Elk River, British ColumbiaView mapDirections
ENV publishes the water-quality measurements for Grave Lake. Here is what has been measured.
- Limited data
Grave Lake in Elk River, British Columbia has water-quality measurements published by ENV, shown here as reported. Phosphorus: 24.9 µg/L.
Grave 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 2025-08-15. 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 Grave 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 Grave Lake
These are the measurements ENV publishes for Grave 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 24.9 µg/L. TSI 51.
| 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 | 24.9µg/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. | 51 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Frequently asked questions about Grave Lake
Where is Grave Lake?
- Grave 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 Grave Lake?
- Grave Lake in Elk River, British Columbia has water-quality measurements published by ENV, shown here as reported. Phosphorus: 24.9 µg/L.
Is Grave 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
1 measurement from 1 monitoring station, 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-bc1 sample · 2025
Monitoring station identifiers (1)
E338205
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.