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LakeQuality

Clear Lake vs Gun Lake

Water quality, depth, fish species, and recreation comparison.

Clear Lake has a higher water quality grade (A, Excellent) than Gun Lake (C, Fair). Both are in Aitkin County, Minnesota.

Reviewed by LakeQuality Editorial Team · Updated

Both Clear Lake and Gun Lake sit in Minnesota. A same-state comparison strips out the state-level water-quality regime as a variable: any grade differences here are about the lakes themselves, not the agencies grading them. The grades are meaningfully apart: Clear Lake grades a A while Gun Lake grades a C. That two-letter spread reflects real underlying differences — different watershed inputs, different depth profiles, or different monitoring rigor.

For a recreational visitor, the wider grade gap is decisive — Clear Lake is the better water-quality choice. For a researcher, the gap is the interesting part: what is different about the two watersheds, and which of those differences is mutable?

A

Clear Lake

Aitkin County, Minnesota

Crystal clear, you can see 15 ft down.

C

Gun Lake

Aitkin County, Minnesota

Moderate clarity, visible to about 7 ft.

Side-by-Side Metrics

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

MetricClear LakeGun Lake
Overall GradeA (Excellent)C (Fair)
Water Clarity15 ft7 ft
Phosphorus15 µg/LNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth24 ft44 ft
Surface Area573.5 acres711.9 acres
Public AccessYesYes
Fish Species1416
Trophic Statemesotrophicmesotrophic

Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).

Verdict

Clear Lake wins on overall water quality with a Grade A versus Gun Lake's Grade C. Water clarity: 15 ft vs 7 ft. For more fish-species variety, Gun Lake edges ahead with 16 documented species.