Sudbury District County, Ontario · Water Quality Report Card
Three Mile Lake
Three Mile Lake in Sudbury District, Ontario received a water quality grade of B (Good). Water clarity: 3.8 m visibility.
- Clarity
- 3.8 m
- Type
- Mesotrophic
Three Mile Lake is a mesotrophic lake in Sudbury District County, Ontario. Water quality is graded B based on 1 sampling years through 2004. Compared to the 264 other monitored lakes in Sudbury District County, Three Mile Lake ranks #187 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2004-10-06. Grade methodology: LakeGrade methodology.
Watch Three Mile Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 12.5 ft. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.8 m | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Three Mile Lake
Compare lakeside cabins, hotels, and vacation rentals near Three Mile Lake in Sudbury District, Ontario — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Three Mile Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Three Mile Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Three Mile Lake — straight to your inbox. No spam, unsubscribe anytime.
Fishing Three Mile Lake
Location
County Ranking
Ranked #187 of 265 lakes in Sudbury District
Nearby Lakes in Sudbury District
Explore Three Mile 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 Three Mile 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: 2004-10-06
Monitoring stations: