Thunder Bay District County, Ontario · Water Quality Report Card
Pakashkan L. Lake
Pakashkan L. Lake in Thunder Bay District, Ontario received a water quality grade of B (Good). Water clarity: 3 m visibility. Phosphorus: 9.9 µg/L.
- Clarity
- 3 m
- Type
- Mesotrophic
Pakashkan L. Lake is a mesotrophic lake in Thunder Bay District County, Ontario. Water quality is graded B based on 2 sampling years through 2025. Compared to the 301 other monitored lakes in Thunder Bay District County, Pakashkan L. Lake ranks #191 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 9.8 ft. Phosphorus level: 9.9 µg/L. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 m | C |
| Phosphorus | 9.9 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Pakashkan L. Lake
Location
County Ranking
Ranked #191 of 302 lakes in Thunder Bay District
Cleaner Lakes Within 30 Miles
Pakashkan L. Lake holds Grade B. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Thunder Bay District
Explore Pakashkan L. Lake across LakeGrade
More Ontario Lake Rankings
Other Grade B Lakes in Ontario
Mesotrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Pakashkan L. 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: