Cochrane District County, Ontario · Water Quality Report Card
Departure Lake
Departure Lake in Cochrane District, Ontario received a water quality grade of C (Fair). Water clarity: 0.9 m visibility. Phosphorus: 15.2 µg/L.
- Clarity
- 0.9 m
- Type
- Eutrophic
Departure Lake is a productive, nutrient-rich eutrophic lake in Cochrane District County, Ontario. Water quality is graded C based on 2 sampling years through 2024. Compared to the 134 other monitored lakes in Cochrane District County, Departure Lake ranks #119 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2024-05-13. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Very murky, less than 3 ft of visibility. Phosphorus level: 15.2 µg/L. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.9 m | F |
| Phosphorus | 15.2 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Departure Lake
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Fishing Departure Lake
Location
County Ranking
Ranked #119 of 135 lakes in Cochrane District
Cleaner Lakes Within 30 Miles
Departure Lake holds Grade C. 5 nearby lakes hold higher grades.
- BWatersnake LakeCochrane District · 9.5 mi · Higher grade (C → B)
- BShackleton LakeCochrane District · 7.1 mi · Higher grade (C → B)
- BLegault'S LakeCochrane District · 11.3 mi · Higher grade (C → B)
- BPike LakeCochrane District · 16.4 mi · Higher grade (C → B)
- BReturn LakeCochrane District · 17.1 mi · Higher grade (C → B)
Nearby Lakes in Cochrane District
Explore Departure Lake across LakeGrade
More Ontario Lake Rankings
Other Grade C Lakes in Ontario
Eutrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Departure 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: 2024-05-13
Monitoring stations: