Matawinie County, Québec · Water Quality Report Card
Lac de la FromentièRe
Lac de la FromentièRe in Matawinie, Québec received a water quality grade of B (Good). Water clarity: 2 m visibility. Phosphorus: 8.9 µg/L. Chlorophyll-a (algae): 3.6 µg/L.
- Clarity
- 2 m
- Type
- Mesotrophic
Lac de la FromentièRe is a mesotrophic lake in Matawinie County, Québec. Water quality is graded B based on 3 sampling years through 2025. Compared to the 111 other monitored lakes in Matawinie County, Lac de la FromentièRe ranks #90 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
Murky, only visible to about 6.6 ft. Phosphorus level: 8.9 µg/L. Chlorophyll-a: 3.6 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 m | D |
| Phosphorus | 8.9 µg/L | A |
| Chlorophyll-a (Algae) | 3.6 µg/L | A |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Lac de la FromentièRe
Location
County Ranking
Ranked #90 of 112 lakes in Matawinie
Cleaner Lakes Within 30 Miles
Lac de la FromentièRe holds Grade B. 5 nearby lakes hold higher grades.
- ALac des PinsMatawinie · 0.8 mi · Higher grade (B → A)
- ALac PatrickMatawinie · 1.9 mi · Higher grade (B → A)
- ALac RougeMatawinie · 1.9 mi · Higher grade (B → A)
- ALac VertMatawinie · 1.3 mi · Higher grade (B → A)
- ALac CréPeauMatawinie · 1.6 mi · Higher grade (B → A)
Nearby Lakes in Matawinie
Explore Lac de la FromentièRe 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 de la FromentièRe 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: