Is Lac Maillé safe to swim in?

Good for swimming, clear water with low algae levels. Lac Maillé has an overall water quality grade of B. Algae concentration (chlorophyll-a) is 3.4 µg/L. Always check local health department advisories before swimming.

La Rivière-du-Nord County, Québec · Water Quality Report Card

Lac Maillé

Grade B — Good

Mesotrophic

Lac Maillé in La Rivière-du-Nord, Québec received a water quality grade of B (Good). Water clarity: 2.9 m visibility. Phosphorus: 10.1 µg/L. Chlorophyll-a (algae): 3.4 µg/L.

Clarity: 2.9 m
Type: Mesotrophic

Where to stay →Safe to swim?

Lac Maillé is a mesotrophic lake in La Rivière-du-Nord County, Québec. Water quality is graded B based on 3 sampling years through 2016. Compared to the 16 other monitored lakes in La Rivière-du-Nord County, Lac Maillé ranks #10 for water quality.

Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2016-08-01. 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 9.5 ft. Phosphorus level: 10.1 µg/L. Chlorophyll-a: 3.4 µg/L. Trophic State Index: 42.

Metric	Value	Grade
Water Clarity (Secchi Depth)	2.9 m	C
Phosphorus	10.1 µg/L	A
Chlorophyll-a (Algae)	3.4 µg/L	A
Trophic State Index (TSI)	42	Mesotrophic

Moderate nutrients, good water quality

Where to stay near Lac Maillé

Compare lakeside cabins, hotels, and vacation rentals near Lac Maillé in La Rivière-du-Nord, 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.

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Fishing Lac Maillé

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

Location

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County Ranking

Ranked #10 of 17 lakes in La Rivière-du-Nord

Cleaner Lakes Within 30 Miles

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

See full comparison →

Nearby Lakes in La Rivière-du-Nord

Explore Lac Maillé 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

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More Québec Lake Rankings

Cleanest lakes in Québec

Top 25 by overall water quality score

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Grade A/B + low algae filter

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Panfish-rich, public access

All Québec lakes

Full state directory

Other Grade B Lakes in Québec

Lac Parent

Les Pays-d'en-Haut · 2.4 m

Lac Melançon

Les Pays-d'en-Haut · 2 m

Lac à L'Ours

Les Pays-d'en-Haut · 2.2 m

Lac Colette

Les Pays-d'en-Haut · 1.8 m

Lac Suzanne

Les Pays-d'en-Haut · 2.8 m

Lac Canard

Les Pays-d'en-Haut · 1.9 m

Mesotrophic Lakes in Québec

Lac Parent Lac Melançon Lac à L'Ours Lac Colette

More records, surveys & data sources

Where this data comes from

Measurements for Lac Maillé 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: 2016-08-01

Monitoring stations:

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