Renfrew County, Ontario · Water Quality Report Card
Muskrat Lake
Muskrat Lake in Renfrew, Ontario received a water quality grade of C (Fair). Water clarity: 1.8 m visibility. Phosphorus: 29.7 µg/L.
- Clarity
- 1.8 m
- Type
- Eutrophic
Muskrat Lake is a productive, nutrient-rich eutrophic lake in Renfrew County, Ontario. Water quality is graded C based on 2 sampling years through 2022. Compared to the 82 other monitored lakes in Renfrew County, Muskrat Lake ranks #82 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2022-05-09. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 5.9 ft. Phosphorus level: 29.7 µg/L. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.8 m | D |
| Phosphorus | 29.7 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Muskrat Lake
Location
County Ranking
Ranked #82 of 83 lakes in Renfrew
Cleaner Lakes Within 30 Miles
Muskrat Lake holds Grade C. 5 nearby lakes hold higher grades.
- AJeffreys LakeRenfrew · 8.9 mi · Two grade letters higher (C → A)
- AMink LakeRenfrew · 9.9 mi · Two grade letters higher (C → A)
- ADore LakeRenfrew · 10.6 mi · Two grade letters higher (C → A)
- BLower Allumette LakePontiac · 8.6 mi · Higher grade (C → B)
- BLower Allumette LakeRenfrew · 8.9 mi · Higher grade (C → B)
Nearby Lakes in Renfrew
Explore Muskrat 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 Muskrat 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: 2022-05-09
Monitoring stations: