Eastern Ontario County, Ontario · Water Quality Report Card
Colonel by Lake
Colonel by Lake in Eastern Ontario, Ontario received a water quality grade of D (Poor). Water clarity: 0.5 m visibility. Phosphorus: 44.1 µg/L.
- Clarity
- 0.5 m
- Type
- Eutrophic
Colonel by Lake is a productive, nutrient-rich eutrophic lake in Eastern Ontario County, Ontario. Water quality is graded D based on 2 sampling years through 2018. Compared to the 4 other monitored lakes in Eastern Ontario County, Colonel by Lake ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2018-05-09. Grade methodology: LakeGrade methodology.
Watch Colonel by Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 1.6 ft of visibility. Phosphorus level: 44.1 µg/L. Trophic State Index: 64.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.5 m | F |
| Phosphorus | 44.1 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 64 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Colonel by Lake
Compare lakeside cabins, hotels, and vacation rentals near Colonel by Lake in Eastern Ontario, 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 Colonel by 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 Colonel by Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Colonel by Lake — straight to your inbox. No spam, unsubscribe anytime.
Fishing Colonel by Lake
Location
County Ranking
Ranked #5 of 5 lakes in Eastern Ontario
Cleaner Lakes Within 30 Miles
Colonel by Lake holds Grade D. 5 nearby lakes hold higher grades.
- ASydenham LakeFrontenac · 10.7 mi · Two grade letters higher (D → A)
- ALittle Long LakeFrontenac · 12.1 mi · Two grade letters higher (D → A)
- ALoughborough LakeFrontenac · 7.9 mi · Two grade letters higher (D → A)
- BCollins LakeFrontenac · 4.7 mi · Two grade letters higher (D → B)
- BInverary LakeFrontenac · 6.3 mi · Two grade letters higher (D → B)
Nearby Lakes in Eastern Ontario
Explore Colonel by Lake across LakeGrade
More Ontario Lake Rankings
Other Grade D Lakes in Ontario
Eutrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Colonel by 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: 2018-05-09
Monitoring stations: