Is Lac à la Perchaude safe to swim in?

Good for swimming, clear water with low algae levels. Lac à la Perchaude has an overall water quality grade of B. Algae concentration (chlorophyll-a) is 5.1 µg/L. Always check local health department advisories before swimming.

Maskinongé County, Québec · Water Quality Report Card

Lac à la Perchaude

Grade B — Good

Mesotrophic

Lac à la Perchaude in Maskinongé, Québec received a water quality grade of B (Good). Water clarity: 2.2 m visibility. Phosphorus: 13.3 µg/L. Chlorophyll-a (algae): 5.1 µg/L.

Clarity: 2.2 m
Type: Mesotrophic

Where to stay →Safe to swim?

Lac à la Perchaude is a mesotrophic lake in Maskinongé County, Québec. Water quality is graded B based on 3 sampling years through 2025. Compared to the 31 other monitored lakes in Maskinongé County, Lac à la Perchaude ranks #28 for water quality.

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

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Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Moderate clarity, visible to about 7.2 ft. Phosphorus level: 13.3 µg/L. Chlorophyll-a: 5.1 µg/L. Trophic State Index: 46.

Metric	Value	Grade
Water Clarity (Secchi Depth)	2.2 m	C
Phosphorus	13.3 µg/L	A
Chlorophyll-a (Algae)	5.1 µg/L	B
Trophic State Index (TSI)	46	Mesotrophic

Moderate nutrients, good water quality

Where to stay near Lac à la Perchaude

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