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LakeQuality

Horseshoe Lake

Haliburton, OntarioView mapDirections

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

Clarity
6.2 m
Secchi · sampled 2025
Phosphorus
6.8 µg/L
Measured by Ontario MECP

Horseshoe Lake in Haliburton, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Water clarity: 6.2 m visibility. Phosphorus: 6.8 µg/L.

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Horseshoe Lake is a lake in Haliburton County, Ontario.

Source: Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring) — not the EPA Water Quality Portal, last sampled 2025-06-08. Grade methodology: LakeQuality methodology.

What Horseshoe Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water20.3 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 Horseshoe 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 Horseshoe Lake

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

Crystal clear, you can see 20.3 ft down. Phosphorus 6.8 µg/L. TSI 33.

MetricValueEPA condition class
Water Clarity (Secchi Depth)6.2 mMeasured, not scored
Phosphorus6.8 µg/LMeasured, not scored
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)33Oligotrophic

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

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Frequently asked questions about Horseshoe Lake

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Answers come straight from the public measurements and survey records on this page.

Where is Horseshoe Lake?

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

What is the water quality of Horseshoe Lake?

Horseshoe Lake in Haliburton, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Water clarity: 6.2 m visibility. Phosphorus: 6.8 µg/L.

Is Horseshoe Lake safe to swim in?

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

Where this data comes from

Measurements for Horseshoe 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.