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LakeQuality

Emily Lake vs Minnewaska Lake

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

Minnewaska Lake has a higher water quality grade (B, Good) than Emily Lake (F, Very Poor). Both are in Pope County, Minnesota.

Emily Lake and Minnewaska Lake are both in Minnesota — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. The grades are meaningfully apart: Minnewaska Lake grades a B while Emily Lake grades a F. 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 — Minnewaska 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?

F

Emily Lake

Pope County, Minnesota

Very murky, less than 2 ft of visibility.

B

Minnewaska Lake

Pope County, Minnesota

Good clarity, visible to about 11.2 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.

MetricEmily LakeMinnewaska Lake
Overall GradeF (Very Poor)B (Good)
Water Clarity2 ft11.2 ft
Phosphorus90 µg/L23.5 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth6 ft32 ft
Surface Area2.3K acres8.1K acres
Public AccessYesYes
Fish Species11
Trophic Stateeutrophicmesotrophic

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

Verdict

Minnewaska Lake wins on overall water quality with a Grade B versus Emily Lake's Grade F. Water clarity: 11.2 ft vs 2 ft. For fishing diversity, Minnewaska Lake also leads with 1 species.