Papineau County, Québec · Water Quality Report Card
Lac Lemery
Lac Lemery in Papineau, Québec received a water quality grade of A (Excellent). Water clarity: 4 m visibility. Phosphorus: 9.7 µg/L. Chlorophyll-a (algae): 4.2 µg/L.
- Clarity
- 4 m
- Type
- Mesotrophic
Lac Lemery is a mesotrophic lake in Papineau County, Québec. Water quality is graded A based on 3 sampling years through 2025. Compared to the 32 other monitored lakes in Papineau County, Lac Lemery ranks #30 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2025-08-01. Grade methodology: LakeGrade methodology.
Watch Lac Lemery water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Good clarity, visible to about 13 ft. Phosphorus level: 9.7 µg/L. Chlorophyll-a: 4.2 µg/L. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.95 m | B |
| Phosphorus | 9.7 µg/L | A |
| Chlorophyll-a (Algae) | 4.2 µg/L | A |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lac Lemery
Compare lakeside cabins, hotels, and vacation rentals near Lac Lemery in Papineau, 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 Lemery
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 Lemery?
Get lake water-quality report cards plus the best cabin & lodging deals near Lac Lemery — straight to your inbox. No spam, unsubscribe anytime.
Fishing Lac Lemery
Location
County Ranking
Ranked #30 of 33 lakes in Papineau
Nearby Lakes in Papineau
Explore Lac Lemery across LakeGrade
More Québec Lake Rankings
Other Grade A Lakes in Québec
Mesotrophic Lakes in Québec
More records, surveys & data sources
Where this data comes from
Measurements for Lac Lemery 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: