Pontiac County, Québec · Water Quality Report Card
Lac Presley
Lac Presley in Pontiac, Québec received a water quality grade of B (Good). Water clarity: 4 m visibility.
- Clarity
- 4 m
- Type
- Mesotrophic
Lac Presley is a mesotrophic lake in Pontiac County, Québec. Water quality is graded B based on 1 sampling years through 2025. Compared to the 17 other monitored lakes in Pontiac County, Lac Presley ranks #18 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2025-08-01. Grade methodology: LakeGrade methodology.
Watch Lac Presley 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
Good clarity, visible to about 13.1 ft. Trophic State Index: 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4 m | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 40 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lac Presley
Compare lakeside cabins, hotels, and vacation rentals near Lac Presley in Pontiac, 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 Presley
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 Presley?
Get lake water-quality report cards plus the best cabin & lodging deals near Lac Presley — straight to your inbox. No spam, unsubscribe anytime.
Fishing Lac Presley
Location
County Ranking
Ranked #18 of 18 lakes in Pontiac
Cleaner Lakes Within 30 Miles
Lac Presley holds Grade B. 2 nearby lakes hold higher grades.
Nearby Lakes in Pontiac
Explore Lac Presley 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 Presley 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: