La Vallée-de-l'Or County, Québec · Water Quality Report Card
Lac Blouin
Lac Blouin in La Vallée-de-l'Or, Québec received a water quality grade of B (Good). Water clarity: 1 m visibility. Phosphorus: 15.5 µg/L. Chlorophyll-a (algae): 3 µg/L.
- Clarity
- 1 m
- Type
- Mesotrophic
Lac Blouin is a mesotrophic lake in La Vallée-de-l'Or County, Québec. Water quality is graded B based on 3 sampling years through 2025. Compared to the 6 other monitored lakes in La Vallée-de-l'Or County, Lac Blouin ranks #5 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
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Very murky, less than 3.1 ft of visibility. Phosphorus level: 15.5 µg/L. Chlorophyll-a: 3 µg/L. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.95 m | F |
| Phosphorus | 15.5 µg/L | A |
| Chlorophyll-a (Algae) | 3 µg/L | A |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lac Blouin
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Fishing Lac Blouin
Location
County Ranking
Ranked #5 of 7 lakes in La Vallée-de-l'Or
Cleaner Lakes Within 30 Miles
Lac Blouin holds Grade B. 5 nearby lakes hold higher grades.
- ALac LegendreAbitibi · 15.9 mi · Higher grade (B → A)
- BLac SabourinLa Vallée-de-l'Or · 13.7 mi · Higher overall water quality score
- BLac LemoineLa Vallée-de-l'Or · 13.9 mi · Higher overall water quality score
- BLac TiblemontLa Vallée-de-l'Or · 20.6 mi · Higher overall water quality score
- BLac des CarifelAbitibi · 22.2 mi · Higher overall water quality score
Nearby Lakes in La Vallée-de-l'Or
Explore Lac Blouin 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 Blouin 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: