Is Crystal L. Lake safe to swim in?

Swimming not recommended, poor water quality with high algae risk. Crystal L. Lake has an overall water quality grade of D. Always check local health department advisories before swimming.

Kenora District County, Ontario · Water Quality Report Card

Crystal L. Lake

Grade D — Poor

Limited DataEutrophic

Crystal L. Lake in Kenora District, Ontario received a water quality grade of D (Poor). Water clarity: 1.8 m visibility.

Clarity: 1.8 m
Type: Eutrophic

Where to stay →Safe to swim?

Crystal L. Lake is a productive, nutrient-rich eutrophic lake in Kenora District County, Ontario. Water quality is graded D based on 1 sampling years through 2022. Compared to the 341 other monitored lakes in Kenora District County, Crystal L. Lake ranks #323 for water quality.

Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2022-05-25. Grade methodology: LakeGrade methodology.

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Swimming Safety

Swimming not recommended, poor water quality with high algae risk

Water Quality Grade: D, Poor

Murky, only visible to about 5.9 ft. Trophic State Index: 52.

Metric	Value	Grade
Water Clarity (Secchi Depth)	1.8 m	D
Phosphorus	No data
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	52	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Crystal L. Lake

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Fishing Crystal L. Lake

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

Location

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County Ranking

Ranked #323 of 342 lakes in Kenora District

Cleaner Lakes Within 30 Miles

Crystal L. Lake holds Grade D. 5 nearby lakes hold higher grades.

Nearby Lakes in Kenora District

Explore Crystal L. Lake across LakeGrade

Lake Fishing Forecast

Species activity outlook by water temperature and season

Eutrophic Lakes

High nutrients, frequent algae, reduced clarity

The State of Ontario's Lakes

Ontario's cleanest and most-polluted lakes, ranked

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Cleanest lakes in Ontario

Top 25 by overall water quality score

Clearest lakes in Ontario

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 D Lakes in Ontario

Selwyn Lake

Thunder Bay District · 1.3 m

Fog Lake

Thunder Bay District · 1.8 m

Smye Lake

Thunder Bay District · 1.5 m

Fitchie Lake

Thunder Bay District · 1.6 m

Bertaud Lake

Thunder Bay District · 1.9 m

Miniss L. Lake

Thunder Bay District · 1.9 m

Eutrophic Lakes in Ontario

Selwyn Lake Farley Lake Fog Lake Cushing Lake

More records, surveys & data sources

Where this data comes from

Measurements for Crystal 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: 2022-05-25

Monitoring stations:

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