Nighthawk Lake
Cochrane District, OntarioView mapDirections
Ontario MECP publishes the water-quality measurements for Nighthawk Lake. Here is what has been measured.
- Limited data
Nighthawk Lake in Cochrane District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Phosphorus: 57.8 µg/L.
Stays via Stay22
Stays near Nighthawk Lake
Compare lakeside cabins, hotels, and vacation rentals near Nighthawk Lake in Cochrane District, Ontario — 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 Nighthawk Lake
Prices for Sep 18–20, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Follow Nighthawk Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Nighthawk 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 2010-06-08. Grade methodology: LakeQuality methodology.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Nighthawk 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 Nighthawk Lake
These are the measurements Ontario MECP publishes for Nighthawk 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 57.8 µg/L. TSI 63.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 57.8 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 63 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Fishing Nighthawk Lake
Nearby Lakes in Cochrane District
Frequently asked questions about Nighthawk Lake
Ask about Nighthawk Lake
Answers come straight from the public measurements and survey records on this page.
Where is Nighthawk Lake?
- Nighthawk 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 Nighthawk Lake?
- Nighthawk Lake in Cochrane District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Phosphorus: 57.8 µg/L.
Is Nighthawk Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Nighthawk Lake across LakeQuality
More lakes in Ontario
Other Lakes in Ontario
Eutrophic Lakes in Ontario
Where this data comes from
Measurements for Nighthawk 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.