Les Laurentides County, Québec · Water Quality Report Card
Lac Lacasse
Lac Lacasse in Les Laurentides, Québec received a water quality grade of B (Good). Water clarity: 3 m visibility. Phosphorus: 5.9 µg/L. Chlorophyll-a (algae): 3.8 µg/L.
- Clarity
- 3 m
- Type
- Oligotrophic
Lac Lacasse is a cold, clear oligotrophic lake in Les Laurentides County, Québec. Water quality is graded B based on 3 sampling years through 2015. Compared to the 118 other monitored lakes in Les Laurentides County, Lac Lacasse ranks #88 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2015-08-01. 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 9.7 ft. Phosphorus level: 5.9 µg/L. Chlorophyll-a: 3.8 µg/L. Trophic State Index: 39.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.95 m | C |
| Phosphorus | 5.9 µg/L | A |
| Chlorophyll-a (Algae) | 3.8 µg/L | A |
| Trophic State Index (TSI) | 39 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
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Fishing Lac Lacasse
Location
County Ranking
Ranked #88 of 119 lakes in Les Laurentides
Cleaner Lakes Within 30 Miles
Lac Lacasse holds Grade B. 4 nearby lakes hold higher grades.
- ALac ÉQuerreLes Laurentides · 1.5 mi · Higher grade (B → A)
- ALac GauthierLes Laurentides · 1.9 mi · Higher grade (B → A)
- ALac CarréLes Laurentides · 2 mi · Higher grade (B → A)
- ALac LauzonLes Laurentides · 0.7 mi · Higher grade (B → A)
Nearby Lakes in Les Laurentides
Explore Lac Lacasse across LakeGrade
More Québec Lake Rankings
Other Grade B Lakes in Québec
Oligotrophic Lakes in Québec
More records, surveys & data sources
Where this data comes from
Measurements for Lac Lacasse 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: 2015-08-01
Monitoring stations: