Central Ontario County, Ontario · Water Quality Report Card
Canal Lake
Canal Lake in Central Ontario, Ontario received a water quality grade of B (Good). Water clarity: 2 m visibility. Phosphorus: 18.8 µg/L.
- Clarity
- 2 m
- Type
- Mesotrophic
Canal Lake is a mesotrophic lake in Central Ontario County, Ontario. Water quality is graded B based on 2 sampling years through 2025. Compared to the 19 other monitored lakes in Central Ontario County, Canal Lake ranks #14 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2025-10-14. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 6.6 ft. Phosphorus level: 18.8 µg/L. Trophic State Index: 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 m | D |
| Phosphorus | 18.8 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Canal Lake
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Fishing Canal Lake
Location
County Ranking
Ranked #14 of 20 lakes in Central Ontario
Cleaner Lakes Within 30 Miles
Canal Lake holds Grade B. 5 nearby lakes hold higher grades.
- AYoung LakeCentral Ontario · 11.6 mi · Higher grade (B → A)
- ABalsam LakeCentral Ontario · 10.4 mi · Higher grade (B → A)
- ARush LakeCentral Ontario · 12.1 mi · Higher grade (B → A)
- ACameron LakeCentral Ontario · 14 mi · Higher grade (B → A)
- BHead LakeCentral Ontario · 14.2 mi · Higher overall water quality score
Nearby Lakes in Central Ontario
Explore Canal Lake across LakeGrade
More Ontario Lake Rankings
Other Grade B Lakes in Ontario
Mesotrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Canal Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2025-10-14
Monitoring stations: