Kenora District County, Ontario · Water Quality Report Card
Catherine Lake
Catherine Lake in Kenora District, Ontario received a water quality grade of B (Good). Water clarity: 2.8 m visibility. Phosphorus: 20.3 µg/L.
- Clarity
- 2.8 m
- Type
- Mesotrophic
Catherine Lake is a mesotrophic lake in Kenora District County, Ontario. Water quality is graded B based on 2 sampling years through 2024. Compared to the 341 other monitored lakes in Kenora District County, Catherine Lake ranks #232 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2024-05-21. 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 ft. Phosphorus level: 20.3 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.75 m | C |
| Phosphorus | 20.3 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Catherine Lake
Location
County Ranking
Ranked #232 of 342 lakes in Kenora District
Cleaner Lakes Within 30 Miles
Catherine Lake holds Grade B. 4 nearby lakes hold higher grades.
- APickerel LakeKenora District · 4.9 mi · Higher grade (B → A)
- ACatastrophe LakeKenora District · 3.9 mi · Higher grade (B → A)
- BLow LakeKenora District · 4.3 mi · Higher overall water quality score
- BCulloden LakeKenora District · 4.4 mi · Higher overall water quality score
Nearby Lakes in Kenora District
Explore Catherine 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 Catherine 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: 2024-05-21
Monitoring stations: