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Ouse Lake

Nipissing District, OntarioView mapDirections

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

Clarity
3 m
Typical for Ontario
Secchi · sampled 2024
Phosphorus
9.6 µg/L
Typical for Ontario
Measured by Ontario MECP

Ouse Lake in Nipissing District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Water clarity: 3 m visibility. Phosphorus: 9.6 µg/L.

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Ouse Lake is a lake in Nipissing District County, Ontario.

Source: Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring) — not the EPA Water Quality Portal, last sampled 2024-08-01. Methodology: how these readings are compared.

What Ouse Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water9.8 ft of visibility

Swimming conditions

No reading

Not rated

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

Whether Ouse 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 Ouse Lake

These are the measurements Ontario MECP publishes for Ouse Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Moderate clarity, visible to about 9.8 ft. Phosphorus 9.6 µg/L. TSI 40.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)3mMeasured, not scored

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

Total phosphorus9.6µg/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.40Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

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Stays near Ouse Lake

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Fishing Ouse Lake

Nearby Lakes in Nipissing District

Frequently asked questions about Ouse Lake

Where is Ouse Lake?

Ouse Lake is a lake in Nipissing District, Ontario. Its water-quality measurements are published by Ontario MECP and shown on this page as reported.

What is the water quality of Ouse Lake?

Ouse Lake in Nipissing District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Water clarity: 3 m visibility. Phosphorus: 9.6 µg/L.

Measurements on this page ↑

Is Ouse 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 Ouse 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.