Bellechasse County, Québec · Water Quality Report Card
Lac Beaumont
Lac Beaumont in Bellechasse, Québec received a water quality grade of C (Fair). Water clarity: 0.9 m visibility. Phosphorus: 22.6 µg/L. Chlorophyll-a (algae): 7.6 µg/L.
- Clarity
- 0.9 m
- Type
- Eutrophic
Lac Beaumont is a productive, nutrient-rich eutrophic lake in Bellechasse County, Québec. Water quality is graded C based on 3 sampling years through 2025. Compared to the 8 other monitored lakes in Bellechasse County, Lac Beaumont ranks #7 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
Very murky, less than 3 ft of visibility. Phosphorus level: 22.6 µg/L. Chlorophyll-a: 7.6 µg/L. Trophic State Index: 54.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.9 m | F |
| Phosphorus | 22.6 µg/L | B |
| Chlorophyll-a (Algae) | 7.6 µg/L | B |
| Trophic State Index (TSI) | 54 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lac Beaumont
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Fishing Lac Beaumont
Location
County Ranking
Ranked #7 of 9 lakes in Bellechasse
Cleaner Lakes Within 30 Miles
Lac Beaumont holds Grade C. 5 nearby lakes hold higher grades.
- ALac BeauportLa Jacques-Cartier · 18.1 mi · Two grade letters higher (C → A)
- BLac la RetenueLa Côte-de-Beaupré · 14.8 mi · Higher grade (C → B)
- BLac TourbillonLa Jacques-Cartier · 17.4 mi · Higher grade (C → B)
- BLac Pierre-PaulBellechasse · 15.5 mi · Higher grade (C → B)
- BLac DionBellechasse · 17.7 mi · Higher grade (C → B)
Nearby Lakes in Bellechasse
Explore Lac Beaumont 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 Lac Beaumont 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: