Abitibi-Témiscamingue County, Québec · Water Quality Report Card
Petit Lac Dufresnoy
Petit Lac Dufresnoy in Abitibi-Témiscamingue, Québec received a water quality grade of C (Fair). Water clarity: 1 m visibility. Phosphorus: 24.3 µg/L. Chlorophyll-a (algae): 3.9 µg/L.
- Clarity
- 1 m
- Type
- Eutrophic
Petit Lac Dufresnoy is a productive, nutrient-rich eutrophic lake in Abitibi-Témiscamingue County, Québec. Water quality is graded C based on 3 sampling years through 2024. Compared to the 18 other monitored lakes in Abitibi-Témiscamingue County, Petit Lac Dufresnoy ranks #13 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2024-08-01. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Very murky, less than 3.3 ft of visibility. Phosphorus level: 24.3 µg/L. Chlorophyll-a: 3.9 µg/L. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1 m | F |
| Phosphorus | 24.3 µg/L | B |
| Chlorophyll-a (Algae) | 3.9 µg/L | A |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Petit Lac Dufresnoy
Location
County Ranking
Ranked #13 of 19 lakes in Abitibi-Témiscamingue
Cleaner Lakes Within 30 Miles
Petit Lac Dufresnoy holds Grade C. 4 nearby lakes hold higher grades.
- ALac DufaultAbitibi-Témiscamingue · 8.7 mi · Two grade letters higher (C → A)
- ALac OsiskoAbitibi-Témiscamingue · 13.3 mi · Two grade letters higher (C → A)
- BLac D'AlembertAbitibi-Témiscamingue · 3.7 mi · Higher grade (C → B)
- BLac MarlonAbitibi-Témiscamingue · 12.4 mi · Higher grade (C → B)
Nearby Lakes in Abitibi-Témiscamingue
Explore Petit Lac Dufresnoy across LakeGrade
More Québec Lake Rankings
Other Grade C Lakes in Québec
Eutrophic Lakes in Québec
More records, surveys & data sources
Where this data comes from
Measurements for Petit Lac Dufresnoy 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: 2024-08-01
Monitoring stations: