Antrim Lake
Sudbury District, OntarioView mapDirections
Ontario MECP publishes the water-quality measurements for Antrim Lake. Here is what has been measured.
- 85 ft max depth
- Limited data
Antrim Lake in Sudbury District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Phosphorus: 7.8 µg/L.
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Antrim Lake is a lake in Sudbury District County, Ontario with an estimated average depth of about 85 feet.
Source: Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring) — not the EPA Water Quality Portal, last sampled 2004-05-17. 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 Antrim 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 Antrim Lake
These are the measurements Ontario MECP publishes for Antrim 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 7.8 µg/L. TSI 34.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 7.8 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 34 | Oligotrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~25.9 m est. |
| Average Depth | ~6.1 m est. |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Ontario has not published bathymetry for Antrim Lake.
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
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Frequently asked questions about Antrim Lake
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Answers come straight from the public measurements and survey records on this page.
Where is Antrim Lake?
- Antrim Lake is a lake in Sudbury District, Ontario. Its water-quality measurements are published by Ontario MECP and shown on this page as reported.
What is the water quality of Antrim Lake?
- Antrim Lake in Sudbury District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Phosphorus: 7.8 µg/L.
Is Antrim Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Antrim Lake?
- No published bathymetric survey covers Antrim Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 85 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
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Where this data comes from
Measurements for Antrim 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.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)