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LakeQuality

Montcalm County, Québec · Water Quality Report Card

Lac Rond

B
Grade BGood
Oligotrophic

Lac Rond in Montcalm, Québec received a water quality grade of B (Good). Water clarity: 2.6 m visibility. Phosphorus: 7.5 µg/L. Chlorophyll-a (algae): 1.9 µg/L.

Clarity
2.6 m
Type
Oligotrophic

Lac Rond is a cold, clear oligotrophic lake in Montcalm County, Québec. Water quality is graded B based on 3 sampling years through 2024. Compared to the 7 other monitored lakes in Montcalm County, Lac Rond ranks #5 for water quality.

Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2024-08-01. 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 8.5 ft. Phosphorus level: 7.5 µg/L. Chlorophyll-a: 1.9 µg/L. Trophic State Index: 39.

MetricValueGrade
Water Clarity (Secchi Depth)2.6 mC
Phosphorus7.5 µg/LA
Chlorophyll-a (Algae)1.9 µg/LA
Trophic State Index (TSI)39Oligotrophic

Low nutrients, clear water, excellent for swimming

Where to stay near Lac Rond

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Location

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County Ranking

Ranked #5 of 8 lakes in Montcalm

Cleaner Lakes Within 30 Miles

Lac Rond holds Grade B. 4 nearby lakes hold higher grades.

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Nearby Lakes in Montcalm

More records, surveys & data sources

Where this data comes from

Measurements for Lac Rond 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:

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