Nipissing District County, Ontario · Water Quality Report Card
Net Lake
Net Lake in Nipissing District, Ontario received a water quality grade of B (Good). Water clarity: 2.3 m visibility. Phosphorus: 6.1 µg/L.
- Clarity
- 2.3 m
- Type
- Oligotrophic
Net Lake is a cold, clear oligotrophic lake in Nipissing District County, Ontario. Water quality is graded B based on 2 sampling years through 2025. Compared to the 280 other monitored lakes in Nipissing District County, Net Lake ranks #184 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2025-05-21. 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 7.5 ft. Phosphorus level: 6.1 µg/L. Trophic State Index: 39.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.3 m | C |
| Phosphorus | 6.1 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 39 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
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Fishing Net Lake
Location
County Ranking
Ranked #184 of 281 lakes in Nipissing District
Cleaner Lakes Within 30 Miles
Net Lake holds Grade B. 4 nearby lakes hold higher grades.
- ARib LakeNipissing District · 5.8 mi · Higher grade (B → A)
- ALowell LakeNipissing District · 7.9 mi · Higher grade (B → A)
- AKanichee LakeNipissing District · 1.9 mi · Higher grade (B → A)
- ACassels LakeNipissing District · 5.2 mi · Higher grade (B → A)
Nearby Lakes in Nipissing District
Explore Net Lake across LakeGrade
More Ontario Lake Rankings
Other Grade B Lakes in Ontario
Oligotrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Net 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: 2025-05-21
Monitoring stations: