Is Shawandasee Lake safe to swim in?

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

Nipissing District County, Ontario · Water Quality Report Card

Shawandasee Lake

Grade B — Good

Mesotrophic

Shawandasee Lake in Nipissing District, Ontario received a water quality grade of B (Good). Water clarity: 1.6 m visibility. Phosphorus: 8.6 µg/L.

Clarity: 1.6 m
Type: Mesotrophic

Where to stay →Safe to swim?

Shawandasee Lake is a mesotrophic lake in Nipissing District County, Ontario. Water quality is graded B based on 2 sampling years through 2002. Compared to the 280 other monitored lakes in Nipissing District County, Shawandasee Lake ranks #245 for water quality.

Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2002-06-26. 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 5.2 ft. Phosphorus level: 8.6 µg/L. Trophic State Index: 44.

Metric	Value	Grade
Water Clarity (Secchi Depth)	1.6 m	D
Phosphorus	8.6 µg/L	A
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	44	Mesotrophic

Moderate nutrients, good water quality

Where to stay near Shawandasee Lake

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Fishing Shawandasee Lake

→ Shawandasee Lake fishing regulations (limits, seasons, special rules)

Location

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County Ranking

Ranked #245 of 281 lakes in Nipissing District

Cleaner Lakes Within 30 Miles

Shawandasee Lake holds Grade B. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Nipissing District

Explore Shawandasee Lake across LakeGrade

Lake Fishing Forecast

Species activity outlook by water temperature and season

Mesotrophic Lakes

Moderate nutrients, good water quality

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Grade A/B + low algae filter

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Other Grade B Lakes in Ontario

Haliburton · 2.5 m

Haliburton · 2.8 m

Haliburton · 2.1 m

Haliburton · 2.8 m

Haliburton · 2.9 m

Haliburton · 1.8 m

Mesotrophic Lakes in Ontario

Greenwood Lake Sunrise Lake Snow Lake Crystalline Lake

More records, surveys & data sources

Where this data comes from

Measurements for Shawandasee Lake 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: 2002-06-26

Monitoring stations:

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