Black River Lake
Cochrane District, OntarioView mapDirections
Ontario MECP publishes the water-quality measurements for Black River Lake. Here is what has been measured.
Black River Lake in Cochrane District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Water clarity: 0.5 m visibility. Phosphorus: 38.3 µg/L.
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Black River Lake is a lake in Cochrane District County, Ontario.
Source: Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring) — not the EPA Water Quality Portal, last sampled 2018-06-07. Grade methodology: LakeQuality methodology.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Black River Lake is safe to swim in today is a call for the Ontario Ministry of the Environment, Conservation and Parks and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Black River Lake
These are the measurements Ontario MECP publishes for Black River Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 1.6 ft of visibility. Phosphorus 38.3 µg/L. TSI 63.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.5 m | Measured, not scored |
| Phosphorus | 38.3 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 63 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Fishing Black River Lake
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Frequently asked questions about Black River Lake
Ask about Black River Lake
Answers come straight from the public measurements and survey records on this page.
Where is Black River Lake?
- Black River Lake is a lake in Cochrane District, Ontario. Its water-quality measurements are published by Ontario MECP and shown on this page as reported.
What is the water quality of Black River Lake?
- Black River Lake in Cochrane District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Water clarity: 0.5 m visibility. Phosphorus: 38.3 µg/L.
Is Black River 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
Measurements for Black River Lake come from Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring), not the EPA Water Quality Portal. Per-sample source details are not recorded for this lake. Contains information licensed under the Open Government Licence – Ontario. See data sources.