Nipissing District County, Ontario · Water Quality Report Card
Hangstone Lake
Hangstone Lake in Nipissing District, Ontario received a water quality grade of B (Good). Water clarity: 2.1 m visibility. Phosphorus: 7.9 µg/L.
- Clarity
- 2.1 m
- Type
- Mesotrophic
Hangstone Lake is a mesotrophic 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, Hangstone Lake ranks #208 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 6.9 ft. Phosphorus level: 7.9 µg/L. Trophic State Index: 42.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.1 m | C |
| Phosphorus | 7.9 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Hangstone Lake
Location
County Ranking
Ranked #208 of 281 lakes in Nipissing District
Cleaner Lakes Within 30 Miles
Hangstone Lake holds Grade B. 5 nearby lakes hold higher grades.
- ACross LakeNipissing District · 5.5 mi · Higher grade (B → A)
- ADevils LakeNipissing District · 5.9 mi · Higher grade (B → A)
- AJumping Cariboo LakeNipissing District · 7.3 mi · Higher grade (B → A)
- AAileen LakeNipissing District · 7.4 mi · Higher grade (B → A)
- AOlive LakeNipissing District · 3.6 mi · Higher grade (B → A)
Nearby Lakes in Nipissing District
Explore Hangstone 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 Hangstone 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: