St Andrews Lake
Frontenac, OntarioView mapDirections
Ontario MECP publishes the water-quality measurements for St Andrews Lake. Here is what has been measured.
St Andrews Lake in Frontenac, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Water clarity: 3.5 m visibility. Phosphorus: 14.3 µg/L.
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St Andrews Lake is a lake in Frontenac County, Ontario.
Source: Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring) — not the EPA Water Quality Portal, last sampled 2022-05-07. Grade methodology: LakeQuality methodology.
What St Andrews Lake is good for
From access and monitoring records, not editorial picks.
- Clear water11.5 ft of visibility
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether St Andrews 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 St Andrews Lake
These are the measurements Ontario MECP publishes for St Andrews Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 11.5 ft. Phosphorus 14.3 µg/L. TSI 42.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.5 m | Measured, not scored |
| Phosphorus | 14.3 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Fishing St Andrews Lake
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Frequently asked questions about St Andrews Lake
Ask about St Andrews Lake
Answers come straight from the public measurements and survey records on this page.
Where is St Andrews Lake?
- St Andrews Lake is a lake in Frontenac, Ontario. Its water-quality measurements are published by Ontario MECP and shown on this page as reported.
What is the water quality of St Andrews Lake?
- St Andrews Lake in Frontenac, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Water clarity: 3.5 m visibility. Phosphorus: 14.3 µg/L.
Is St Andrews Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for St Andrews 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.