Is Lac Richer safe to swim in?

Good for swimming, clear water with low algae levels. Lac Richer has an overall water quality grade of B. Algae concentration (chlorophyll-a) is 4.5 µg/L. Always check local health department advisories before swimming.

Les Laurentides County, Québec · Water Quality Report Card

Lac Richer

Grade B — Good

Mesotrophic

Lac Richer in Les Laurentides, Québec received a water quality grade of B (Good). Water clarity: 1.9 m visibility. Phosphorus: 13.4 µg/L. Chlorophyll-a (algae): 4.5 µg/L.

Clarity: 1.9 m
Type: Mesotrophic

Where to stay →Safe to swim?

Lac Richer is a mesotrophic lake in Les Laurentides County, Québec. Water quality is graded B based on 3 sampling years through 2025. Compared to the 118 other monitored lakes in Les Laurentides County, Lac Richer ranks #107 for water quality.

Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2025-08-01. Grade methodology: LakeGrade methodology.

Watch Lac Richer 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

Murky, only visible to about 6.2 ft. Phosphorus level: 13.4 µg/L. Chlorophyll-a: 4.5 µg/L. Trophic State Index: 46.

Metric	Value	Grade
Water Clarity (Secchi Depth)	1.9 m	D
Phosphorus	13.4 µg/L	A
Chlorophyll-a (Algae)	4.5 µg/L	A
Trophic State Index (TSI)	46	Mesotrophic

Moderate nutrients, good water quality

Where to stay near Lac Richer

Compare lakeside cabins, hotels, and vacation rentals near Lac Richer in Les Laurentides, 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 Richer

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 Richer?

Get lake water-quality report cards plus the best cabin & lodging deals near Lac Richer — straight to your inbox. No spam, unsubscribe anytime.

Fishing Lac Richer

→ Lac Richer fishing regulations (limits, seasons, special rules)

Location

Loading map…

County Ranking

Ranked #107 of 119 lakes in Les Laurentides

Cleaner Lakes Within 30 Miles

Lac Richer holds Grade B. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Les Laurentides

Explore Lac Richer across LakeGrade

Lake Fishing Forecast

Species activity outlook by water temperature and season

Mesotrophic Lakes

Moderate nutrients, good water quality

The State of Québec's Lakes

Québec's cleanest and most-polluted lakes, ranked

More Québec Lake Rankings

Cleanest lakes in Québec

Top 25 by overall water quality score

Clearest lakes in Québec

Top 25 by Secchi water clarity

Best swimming lakes in Québec

Grade A/B + low algae filter

Family fishing lakes in Québec

Panfish-rich, public access

All Québec lakes

Full state directory

Other Grade B Lakes in Québec

Lac des Trois FrèRes

Les Pays-d'en-Haut · 3 m

Petit Lac Sainte-Marie

Les Pays-d'en-Haut · 2.5 m

Lac Mohawk

Les Pays-d'en-Haut · 2.3 m

Lac des Pins

Les Pays-d'en-Haut · 2.7 m

Lac BéLanger

Les Pays-d'en-Haut · 2.4 m

Lac Corbeil

Les Pays-d'en-Haut · 1.9 m

Mesotrophic Lakes in Québec

Lac Cornu Lac Long Lac des Trois FrèRes Petit Lac Sainte-Marie

More records, surveys & data sources

Where this data comes from

Measurements for Lac Richer 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:

Where to stay near Lac Richer →