Rimouski-Neigette County, Québec · Water Quality Report Card
Lac à L'Anguille
Lac à L'Anguille in Rimouski-Neigette, Québec received a water quality grade of B (Good). Water clarity: 2.5 m visibility. Phosphorus: 18.9 µg/L. Chlorophyll-a (algae): 6.8 µg/L.
- Clarity
- 2.5 m
- Type
- Mesotrophic
Lac à L'Anguille is a mesotrophic lake in Rimouski-Neigette County, Québec. Water quality is graded B based on 3 sampling years through 2025. Compared to the 11 other monitored lakes in Rimouski-Neigette County, Lac à L'Anguille ranks #8 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
Moderate clarity, visible to about 8.2 ft. Phosphorus level: 18.9 µg/L. Chlorophyll-a: 6.8 µg/L. Trophic State Index: 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.5 m | C |
| Phosphorus | 18.9 µg/L | A |
| Chlorophyll-a (Algae) | 6.8 µg/L | B |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Lac à L'Anguille
Location
County Ranking
Ranked #8 of 12 lakes in Rimouski-Neigette
Cleaner Lakes Within 30 Miles
Lac à L'Anguille holds Grade B. 5 nearby lakes hold higher grades.
- ALac à GasseRimouski-Neigette · 1 mi · Higher grade (B → A)
- ALac NoirRimouski-Neigette · 7.3 mi · Higher grade (B → A)
- ALac FerréRimouski-Neigette · 14.7 mi · Higher grade (B → A)
- BLac PlourdeRimouski-Neigette · 9.7 mi · Higher overall water quality score
- BLac NeigetteRimouski-Neigette · 9.7 mi · Higher overall water quality score
Nearby Lakes in Rimouski-Neigette
Explore Lac à L'Anguille 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 à L'Anguille 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: