Bruce County, Ontario · Water Quality Report Card
Boat Lake
Boat Lake in Bruce, Ontario received a water quality grade of B (Good). Water clarity: 1.8 m visibility. Phosphorus: 6.6 µg/L.
- Clarity
- 1.8 m
- Type
- Mesotrophic
Boat Lake is a mesotrophic lake in Bruce County, Ontario. Water quality is graded B based on 2 sampling years through 2023. Compared to the 18 other monitored lakes in Bruce County, Boat Lake ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2023-08-01. 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 5.9 ft. Phosphorus level: 6.6 µg/L. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.8 m | D |
| Phosphorus | 6.6 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Boat Lake
Location
County Ranking
Ranked #11 of 19 lakes in Bruce
Cleaner Lakes Within 30 Miles
Boat Lake holds Grade B. 4 nearby lakes hold higher grades.
- AGould LakeBruce · 9.2 mi · Higher grade (B → A)
- ABass LakeGrey · 11.1 mi · Higher grade (B → A)
- AChesley LakeBruce · 11.9 mi · Higher grade (B → A)
- BFrancis LakeGrey · 10.6 mi · Higher overall water quality score
Nearby Lakes in Bruce
Explore Boat 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 Boat 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: 2023-08-01
Monitoring stations: