Muskoka District County, Ontario · 45.33°N · Water Quality Report Card
Deer Lake
Deer Lake in Muskoka District, Ontario received a water quality grade of A (Excellent). Water clarity: 8.5 m visibility.
- Clarity
- 8.5 m
- Type
- Oligotrophic
Deer Lake is a cold, clear oligotrophic lake in Muskoka District County, Ontario. Water quality is graded A based on 1 sampling years through 1998. Compared to the 169 other monitored lakes in Muskoka District County, Deer Lake ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 1998-05-18. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Crystal clear, you can see 27.9 ft down. Trophic State Index: 29.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.5 m | A |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 29 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
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Fishing Deer Lake
Location
County Ranking
Ranked #8 of 170 lakes in Muskoka District
Nearby Lakes in Muskoka District
Explore Deer Lake across LakeGrade
More Ontario Lake Rankings
Other Grade A Lakes in Ontario
Oligotrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Deer 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: 1998-05-18
Monitoring stations: