Matawinie County, Québec · Water Quality Report Card
Lac Sawin
Lac Sawin in Matawinie, Québec received a water quality grade of A (Excellent). Water clarity: 9.1 m visibility. Phosphorus: 1.9 µg/L. Chlorophyll-a (algae): 0.6 µg/L.
- Clarity
- 9.1 m
- Type
- Oligotrophic
Lac Sawin is a cold, clear oligotrophic lake in Matawinie County, Québec. Water quality is graded A based on 3 sampling years through 2024. Compared to the 111 other monitored lakes in Matawinie County, Lac Sawin ranks #21 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2024-08-01. Grade methodology: LakeGrade methodology.
Watch Lac Sawin 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
Crystal clear, you can see 29.9 ft down. Phosphorus level: 1.9 µg/L. Chlorophyll-a: 0.6 µg/L. Trophic State Index: 22.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9.1 m | A |
| Phosphorus | 1.9 µg/L | A |
| Chlorophyll-a (Algae) | 0.6 µg/L | A |
| Trophic State Index (TSI) | 22 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Lac Sawin
Compare lakeside cabins, hotels, and vacation rentals near Lac Sawin in Matawinie, 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 Sawin
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 Sawin?
Get lake water-quality report cards plus the best cabin & lodging deals near Lac Sawin — straight to your inbox. No spam, unsubscribe anytime.
Fishing Lac Sawin
Location
County Ranking
Ranked #21 of 112 lakes in Matawinie
Nearby Lakes in Matawinie
Explore Lac Sawin across LakeGrade
More Québec Lake Rankings
Other Grade A Lakes in Québec
Oligotrophic Lakes in Québec
More records, surveys & data sources
Where this data comes from
Measurements for Lac Sawin 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: