Haliburton County, Ontario · Water Quality Report Card
Poorhouse Lake
Poorhouse Lake in Haliburton, Ontario received a water quality grade of B (Good). Water clarity: 2.1 m visibility. Phosphorus: 10.8 µg/L.
- Clarity
- 2.1 m
- Type
- Mesotrophic
Poorhouse Lake is a mesotrophic lake in Haliburton County, Ontario. Water quality is graded B based on 2 sampling years through 2023. Compared to the 217 other monitored lakes in Haliburton County, Poorhouse Lake ranks #211 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2023-08-01. 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: 10.8 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.1 m | C |
| Phosphorus | 10.8 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Poorhouse Lake
Location
County Ranking
Ranked #211 of 218 lakes in Haliburton
Cleaner Lakes Within 30 Miles
Poorhouse Lake holds Grade B. 4 nearby lakes hold higher grades.
- ALouie LakeHaliburton · 2.5 mi · Higher grade (B → A)
- AFletcher LakeHaliburton · 0.6 mi · Higher grade (B → A)
- ALivingstone LakeHaliburton · 1.1 mi · Higher grade (B → A)
- ATroutspawn LakeHaliburton · 2.2 mi · Higher grade (B → A)
Nearby Lakes in Haliburton
Explore Poorhouse 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 Poorhouse 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: 2023-08-01
Monitoring stations: