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Cook'S Lake

Cochrane District, OntarioView mapDirections

Ontario MECP publishes the water-quality measurements for Cook'S Lake. Here is what has been measured.

Phosphorus
10.1 µg/L
Typical for Ontario
Measured by Ontario MECP
  • Limited data

Cook'S Lake in Cochrane District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Phosphorus: 10.1 µg/L.

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Cook'S 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 2019-05-30. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Cook'S 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.

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Water quality measurements for Cook'S Lake

These are the measurements Ontario MECP publishes for Cook'S 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 10.1 µg/L. TSI 37.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus10.1µg/LMeasured, 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.37Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

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Frequently asked questions about Cook'S Lake

Where is Cook'S Lake?

Cook'S 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 Cook'S Lake?

Cook'S Lake in Cochrane District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Phosphorus: 10.1 µg/L.

Measurements on this page ↑

Is Cook'S Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Where this data comes from

Measurements for Cook'S 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.