D'Autray County, Québec · Water Quality Report Card
Lac Mcgrey
Lac Mcgrey in D'Autray, Québec received a water quality grade of B (Good). Water clarity: 3 m visibility. Phosphorus: 6.5 µg/L. Chlorophyll-a (algae): 4.2 µg/L.
- Clarity
- 3 m
- Type
- Oligotrophic
Lac Mcgrey is a cold, clear oligotrophic lake in D'Autray County, Québec. Water quality is graded B based on 3 sampling years through 2024. Compared to the 13 other monitored lakes in D'Autray County, Lac Mcgrey ranks #9 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2024-08-01. Grade methodology: LakeGrade methodology.
Watch Lac Mcgrey 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 9.8 ft. Phosphorus level: 6.5 µg/L. Chlorophyll-a: 4.2 µg/L. Trophic State Index: 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 m | C |
| Phosphorus | 6.5 µg/L | A |
| Chlorophyll-a (Algae) | 4.2 µg/L | A |
| Trophic State Index (TSI) | 40 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Lac Mcgrey
Compare lakeside cabins, hotels, and vacation rentals near Lac Mcgrey in D'Autray, 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 Mcgrey
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 Mcgrey?
Get lake water-quality report cards plus the best cabin & lodging deals near Lac Mcgrey — straight to your inbox. No spam, unsubscribe anytime.
Fishing Lac Mcgrey
Location
County Ranking
Ranked #9 of 14 lakes in D'Autray
Cleaner Lakes Within 30 Miles
Lac Mcgrey holds Grade B. 5 nearby lakes hold higher grades.
- ALac CreuxD'Autray · 2.7 mi · Higher grade (B → A)
- ALac LambertMaskinongé · 3.6 mi · Higher grade (B → A)
- ALac LambertMaskinongé · 4.1 mi · Higher grade (B → A)
- ALac LongD'Autray · 1.6 mi · Higher grade (B → A)
- ALac RougeD'Autray · 2.5 mi · Higher grade (B → A)
Nearby Lakes in D'Autray
Explore Lac Mcgrey 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 Mcgrey 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: