Les Pays-d'en-Haut County, Québec · Water Quality Report Card
Lac Grenier
Lac Grenier in Les Pays-d'en-Haut, Québec received a water quality grade of B (Good). Water clarity: 2.1 m visibility. Phosphorus: 9.1 µg/L. Chlorophyll-a (algae): 5.6 µg/L.
- Clarity
- 2.1 m
- Type
- Mesotrophic
Lac Grenier is a mesotrophic lake in Les Pays-d'en-Haut County, Québec. Water quality is graded B based on 3 sampling years through 2024. Compared to the 108 other monitored lakes in Les Pays-d'en-Haut County, Lac Grenier ranks #89 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2024-08-01. Grade methodology: LakeGrade methodology.
Watch Lac Grenier water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Moderate clarity, visible to about 6.9 ft. Phosphorus level: 9.1 µg/L. Chlorophyll-a: 5.6 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.1 m | C |
| Phosphorus | 9.1 µg/L | A |
| Chlorophyll-a (Algae) | 5.6 µg/L | B |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lac Grenier
Compare lakeside cabins, hotels, and vacation rentals near Lac Grenier in Les Pays-d'en-Haut, Québec — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Lac Grenier
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Lac Grenier?
Get lake water-quality report cards plus the best cabin & lodging deals near Lac Grenier — straight to your inbox. No spam, unsubscribe anytime.
Fishing Lac Grenier
Location
County Ranking
Ranked #89 of 109 lakes in Les Pays-d'en-Haut
Cleaner Lakes Within 30 Miles
Lac Grenier holds Grade B. 5 nearby lakes hold higher grades.
- ALac AshtonLes Pays-d'en-Haut · 2 mi · Higher grade (B → A)
- ALac CastorLes Pays-d'en-Haut · 2.8 mi · Higher grade (B → A)
- ALac CharleboisLes Pays-d'en-Haut · 2.9 mi · Higher grade (B → A)
- ALac MooneyMatawinie · 3.3 mi · Higher grade (B → A)
- ALac CrocheLes Pays-d'en-Haut · 1.6 mi · Higher grade (B → A)
Nearby Lakes in Les Pays-d'en-Haut
Explore Lac Grenier 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 Grenier 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: 2024-08-01
Monitoring stations: