Is Blackfox Lake safe to swim in?

Good for swimming, clear water with low algae levels. Blackfox 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

Blackfox Lake

Grade B — Good

Mesotrophic

Blackfox Lake in Nipissing District, Ontario received a water quality grade of B (Good). Water clarity: 4.5 m visibility. Phosphorus: 33.8 µg/L.

Clarity: 4.5 m
Type: Mesotrophic

Where to stay →Safe to swim?

Blackfox Lake is a mesotrophic lake in Nipissing District County, Ontario. Water quality is graded B based on 2 sampling years through 2019. Compared to the 280 other monitored lakes in Nipissing District County, Blackfox Lake ranks #249 for water quality.

Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2019-05-16. Grade methodology: LakeGrade methodology.

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Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Good clarity, visible to about 14.8 ft. Phosphorus level: 33.8 µg/L. Trophic State Index: 47.

Metric	Value	Grade
Water Clarity (Secchi Depth)	4.5 m	B
Phosphorus	33.8 µg/L	C
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	47	Mesotrophic

Moderate nutrients, good water quality

Where to stay near Blackfox Lake

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Fishing Blackfox Lake

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

Location

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County Ranking

Ranked #249 of 281 lakes in Nipissing District

Cleaner Lakes Within 30 Miles

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

See full comparison →

Nearby Lakes in Nipissing District

Explore Blackfox Lake across LakeGrade

Lake Fishing Forecast

Species activity outlook by water temperature and season

Mesotrophic Lakes

Moderate nutrients, good water quality

The State of Ontario's Lakes

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Cleanest lakes in Ontario

Top 25 by overall water quality score

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Top 25 by Secchi water clarity

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Grade A/B + low algae filter

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Panfish-rich, public access

All Ontario lakes

Full state directory

Other Grade B Lakes in Ontario

Haliburton · 6 m

Haliburton · 2.9 m

Haliburton · 2.6 m

Haliburton · 2.4 m

Haliburton · 2.9 m

Haliburton · 2.1 m

Mesotrophic Lakes in Ontario

Rosepond Lake Rock Lake Cecil Lake Clydesgale L. Lake

More records, surveys & data sources

Where this data comes from

Measurements for Blackfox 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: 2019-05-16

Monitoring stations:

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