Les Laurentides County, Québec · Water Quality Report Card
Lac Fer à Cheval
Lac Fer à Cheval in Les Laurentides, Québec received a water quality grade of B (Good). Water clarity: 2.5 m visibility. Phosphorus: 11.4 µg/L. Chlorophyll-a (algae): 3.8 µg/L.
- Clarity
- 2.5 m
- Type
- Mesotrophic
Lac Fer à Cheval is a mesotrophic lake in Les Laurentides County, Québec. Water quality is graded B based on 3 sampling years through 2025. Compared to the 118 other monitored lakes in Les Laurentides County, Lac Fer à Cheval ranks #98 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: 11.4 µg/L. Chlorophyll-a: 3.8 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.5 m | C |
| Phosphorus | 11.4 µg/L | A |
| Chlorophyll-a (Algae) | 3.8 µg/L | A |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lac Fer à Cheval
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Fishing Lac Fer à Cheval
Location
County Ranking
Ranked #98 of 119 lakes in Les Laurentides
Cleaner Lakes Within 30 Miles
Lac Fer à Cheval holds Grade B. 5 nearby lakes hold higher grades.
- ALac ManitouLes Laurentides · 0.7 mi · Higher grade (B → A)
- ALac AzurLes Laurentides · 2 mi · Higher grade (B → A)
- ALac de la GriseLes Laurentides · 2.7 mi · Higher grade (B → A)
- ALac CornuLes Laurentides · 2.8 mi · Higher grade (B → A)
- ALac des SablesLes Laurentides · 3.1 mi · Higher grade (B → A)
Nearby Lakes in Les Laurentides
Explore Lac Fer à Cheval 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 Fer à Cheval 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: