Les Laurentides County, Québec · Water Quality Report Card
Lac à L'Île
Lac à L'Île in Les Laurentides, Québec received a water quality grade of B (Good). Water clarity: 2.3 m visibility. Phosphorus: 11.8 µg/L. Chlorophyll-a (algae): 7.2 µg/L.
- Clarity
- 2.3 m
- Type
- Mesotrophic
Lac à L'Île is a mesotrophic lake in Les Laurentides County, Québec. Water quality is graded B based on 3 sampling years through 2010. Compared to the 118 other monitored lakes in Les Laurentides County, Lac à L'Île ranks #103 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2010-08-01. 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 7.5 ft. Phosphorus level: 11.8 µg/L. Chlorophyll-a: 7.2 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.3 m | C |
| Phosphorus | 11.8 µg/L | A |
| Chlorophyll-a (Algae) | 7.2 µg/L | B |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Lac à L'Île
Location
County Ranking
Ranked #103 of 119 lakes in Les Laurentides
Cleaner Lakes Within 30 Miles
Lac à L'Île holds Grade B. 5 nearby lakes hold higher grades.
- ALac JosephLes Laurentides · 2 mi · Higher grade (B → A)
- ALac de la Montagne NoireLes Laurentides · 3.3 mi · Higher grade (B → A)
- ALac du RocherLes Laurentides · 2.7 mi · Higher grade (B → A)
- ALac QuenouilleLes Laurentides · 2.8 mi · Higher grade (B → A)
- BPetit Lac de L'OrignalLes Laurentides · 1.2 mi · Higher overall water quality score
Nearby Lakes in Les Laurentides
Explore Lac à L'Île 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'Île 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: 2010-08-01
Monitoring stations: