Les Collines-de-l'Outaouais County, Québec · Water Quality Report Card
Lac Donaldson
Lac Donaldson in Les Collines-de-l'Outaouais, Québec received a water quality grade of C (Fair). Water clarity: 3 m visibility.
- Clarity
- 3 m
- Type
- Mesotrophic
Lac Donaldson is a mesotrophic lake in Les Collines-de-l'Outaouais County, Québec. Water quality is graded C based on 1 sampling years through 2025. Compared to the 10 other monitored lakes in Les Collines-de-l'Outaouais County, Lac Donaldson ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2025-08-01. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 9.8 ft. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 m | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lac Donaldson
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Fishing Lac Donaldson
Location
County Ranking
Ranked #11 of 11 lakes in Les Collines-de-l'Outaouais
Cleaner Lakes Within 30 Miles
Lac Donaldson holds Grade C. 5 nearby lakes hold higher grades.
- ALac à la PerdrixLes Collines-de-l'Outaouais · 8 mi · Two grade letters higher (C → A)
- ALac SmallianPapineau · 17 mi · Two grade letters higher (C → A)
- ALac HawkPapineau · 17.1 mi · Two grade letters higher (C → A)
- ALac FarrandPapineau · 17.7 mi · Two grade letters higher (C → A)
- ALac la BlanchePapineau · 13.1 mi · Two grade letters higher (C → A)
Nearby Lakes in Les Collines-de-l'Outaouais
Explore Lac Donaldson across LakeGrade
More Québec Lake Rankings
Other Grade C Lakes in Québec
Mesotrophic Lakes in Québec
More records, surveys & data sources
Where this data comes from
Measurements for Lac Donaldson 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: