Le Val-Saint-François County, Québec · Water Quality Report Card
Lac Boissonneault
Lac Boissonneault in Le Val-Saint-François, Québec received a water quality grade of B (Good). Water clarity: 1.5 m visibility. Phosphorus: 17.3 µg/L. Chlorophyll-a (algae): 6.5 µg/L.
- Clarity
- 1.5 m
- Type
- Mesotrophic
Lac Boissonneault is a mesotrophic lake in Le Val-Saint-François County, Québec. Water quality is graded B based on 3 sampling years through 2024. Compared to the 9 other monitored lakes in Le Val-Saint-François County, Lac Boissonneault ranks #7 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
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 4.9 ft. Phosphorus level: 17.3 µg/L. Chlorophyll-a: 6.5 µg/L. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.5 m | D |
| Phosphorus | 17.3 µg/L | A |
| Chlorophyll-a (Algae) | 6.5 µg/L | B |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Lac Boissonneault
Location
County Ranking
Ranked #7 of 10 lakes in Le Val-Saint-François
Cleaner Lakes Within 30 Miles
Lac Boissonneault holds Grade B. 4 nearby lakes hold higher grades.
- APetit Lac BromptonLe Val-Saint-François · 13.7 mi · Higher grade (B → A)
- ALac MiroirLe Haut-Saint-François · 15.3 mi · Higher grade (B → A)
- BLac DesmaraisLe Val-Saint-François · 14 mi · Higher overall water quality score
- BLac MillerLe Val-Saint-François · 15 mi · Higher overall water quality score
Nearby Lakes in Le Val-Saint-François
Explore Lac Boissonneault across LakeGrade
More Québec Lake Rankings
Other Grade B Lakes in Québec
Mesotrophic Lakes in Québec
More records, surveys & data sources
Where this data comes from
Measurements for Lac Boissonneault 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: