Algoma District County, Ontario · Water Quality Report Card
Mijinemungshing Lake
Mijinemungshing Lake in Algoma District, Ontario received a water quality grade of B (Good). Water clarity: 2.9 m visibility. Phosphorus: 9.8 µg/L.
- Clarity
- 2.9 m
- Type
- Mesotrophic
Mijinemungshing Lake is a mesotrophic lake in Algoma District County, Ontario. Water quality is graded B based on 2 sampling years through 2025. Compared to the 217 other monitored lakes in Algoma District County, Mijinemungshing Lake ranks #159 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2025-08-01. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Moderate clarity, visible to about 9.4 ft. Phosphorus level: 9.8 µg/L. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.85 m | C |
| Phosphorus | 9.8 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Mijinemungshing Lake
Location
County Ranking
Ranked #159 of 218 lakes in Algoma District
Cleaner Lakes Within 30 Miles
Mijinemungshing Lake holds Grade B. 5 nearby lakes hold higher grades.
- AGamitagama LakeAlgoma District · 3.3 mi · Higher grade (B → A)
- AOld Woman LakeAlgoma District · 4.5 mi · Higher grade (B → A)
- ALittle Dossier LakeAlgoma District · 4.8 mi · Higher grade (B → A)
- ARadium LakeAlgoma District · 8.5 mi · Higher grade (B → A)
- AEar LakeAlgoma District · 9.5 mi · Higher grade (B → A)
Nearby Lakes in Algoma District
Explore Mijinemungshing Lake across LakeGrade
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Other Grade B Lakes in Ontario
Mesotrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Mijinemungshing 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: 2025-08-01
Monitoring stations: