Nipissing District County, Ontario · Water Quality Report Card
Red Lake
Red Lake in Nipissing District, Ontario received a water quality grade of B (Good). Water clarity: 1.4 m visibility. Phosphorus: 17.8 µg/L.
- Clarity
- 1.4 m
- Type
- Eutrophic
Red Lake is a productive, nutrient-rich eutrophic lake in Nipissing District County, Ontario. Water quality is graded B based on 2 sampling years through 2019. Compared to the 280 other monitored lakes in Nipissing District County, Red Lake ranks #262 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2019-05-21. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 4.6 ft. Phosphorus level: 17.8 µg/L. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.4 m | D |
| Phosphorus | 17.8 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 50 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Red Lake
Location
County Ranking
Ranked #262 of 281 lakes in Nipissing District
Cleaner Lakes Within 30 Miles
Red Lake holds Grade B. 5 nearby lakes hold higher grades.
- AWestward LakeNipissing District · 4.5 mi · Higher grade (B → A)
- ACanoe LakeNipissing District · 3.7 mi · Higher grade (B → A)
- ABonita LakeNipissing District · 4 mi · Higher grade (B → A)
- ATea LakeNipissing District · 4.1 mi · Higher grade (B → A)
- ASmoke LakeNipissing District · 5.2 mi · Higher grade (B → A)
Nearby Lakes in Nipissing District
Explore Red Lake across LakeGrade
More Ontario Lake Rankings
Other Grade B Lakes in Ontario
Eutrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Red 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: 2019-05-21
Monitoring stations: