Cochrane District County, Ontario · Water Quality Report Card
Fletchers Lake
Fletchers Lake in Cochrane District, Ontario received a water quality grade of C (Fair). Water clarity: 0.9 m visibility. Phosphorus: 18 µg/L.
- Clarity
- 0.9 m
- Type
- Eutrophic
Fletchers Lake is a productive, nutrient-rich eutrophic lake in Cochrane District County, Ontario. Water quality is graded C based on 2 sampling years through 2016. Compared to the 134 other monitored lakes in Cochrane District County, Fletchers Lake ranks #120 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2016-05-16. 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: 18 µg/L. Trophic State Index: 54.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.9 m | F |
| Phosphorus | 18 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 54 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Fletchers Lake
Location
County Ranking
Ranked #120 of 135 lakes in Cochrane District
Cleaner Lakes Within 30 Miles
Fletchers Lake holds Grade C. 5 nearby lakes hold higher grades.
- ANellie LakeCochrane District · 12.7 mi · Two grade letters higher (C → A)
- BPool LakeCochrane District · 3.4 mi · Higher grade (C → B)
- BCommando LakeCochrane District · 9 mi · Higher grade (C → B)
- BTailleurs LakeCochrane District · 13.6 mi · Higher grade (C → B)
- BRawcourt LakeCochrane District · 14.7 mi · Higher grade (C → B)
Nearby Lakes in Cochrane District
Explore Fletchers Lake across LakeGrade
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Other Grade C Lakes in Ontario
Eutrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Fletchers 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: 2016-05-16
Monitoring stations: