Is Lac des Iles Lake safe to swim in?

Good for swimming, clear water with low algae levels. Lac des Iles Lake has an overall water quality grade of B. Always check local health department advisories before swimming.

Thunder Bay District County, Ontario · Water Quality Report Card

Lac des Iles Lake

Grade B — Good

Mesotrophic

Lac des Iles Lake in Thunder Bay District, Ontario received a water quality grade of B (Good). Water clarity: 2 m visibility. Phosphorus: 18.4 µg/L.

Clarity: 2 m
Type: Mesotrophic

Where to stay →Safe to swim?

Lac des Iles Lake is a mesotrophic lake in Thunder Bay District County, Ontario. Water quality is graded B based on 2 sampling years through 2013. Compared to the 301 other monitored lakes in Thunder Bay District County, Lac des Iles Lake ranks #243 for water quality.

Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2013-08-01. Grade methodology: LakeGrade methodology.

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Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Murky, only visible to about 6.6 ft. Phosphorus level: 18.4 µg/L. Trophic State Index: 48.

Metric	Value	Grade
Water Clarity (Secchi Depth)	2 m	D
Phosphorus	18.4 µg/L	A
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	48	Mesotrophic

Moderate nutrients, good water quality

Where to stay near Lac des Iles Lake

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