Is Harry L. Lake safe to swim in?

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

Haliburton County, Ontario · Water Quality Report Card

Harry L. Lake

Grade B — Good

Oligotrophic

Harry L. Lake in Haliburton, Ontario received a water quality grade of B (Good). Water clarity: 2.9 m visibility. Phosphorus: 5.3 µg/L.

Clarity: 2.9 m
Type: Oligotrophic

Where to stay →Safe to swim?

Harry L. Lake is a cold, clear oligotrophic lake in Haliburton County, Ontario. Water quality is graded B based on 2 sampling years through 2015. Compared to the 217 other monitored lakes in Haliburton County, Harry L. Lake ranks #209 for water quality.

Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2015-05-20. 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: 5.3 µg/L. Trophic State Index: 36.

Metric	Value	Grade
Water Clarity (Secchi Depth)	2.9 m	C
Phosphorus	5.3 µg/L	A
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	36	Oligotrophic

Low nutrients, clear water, excellent for swimming

Where to stay near Harry L. Lake

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Fishing Harry L. Lake

→ Harry L. Lake fishing regulations (limits, seasons, special rules)

Location

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County Ranking

Ranked #209 of 218 lakes in Haliburton

Cleaner Lakes Within 30 Miles

Harry L. Lake holds Grade B. 4 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Haliburton

Explore Harry L. Lake across LakeGrade

Lake Fishing Forecast

Species activity outlook by water temperature and season

Oligotrophic Lakes

Low nutrients, clear water, excellent for swimming

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Other Grade B Lakes in Ontario

Head Lake

Nipissing District · 2.3 m

Pewee Lake

Nipissing District · 2.1 m

Mew Lake

Nipissing District · 2.6 m

Fork Lake

Nipissing District · 2.2 m

Sunday Lake

Nipissing District · 1.8 m

Sasajewan Lake

Nipissing District · 1.9 m

Oligotrophic Lakes in Ontario

Speckled Trout Lake Whitefish Lake Coon Lake Raccoon Lake

More records, surveys & data sources

Where this data comes from

Measurements for Harry L. 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: 2015-05-20

Monitoring stations:

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