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LakeQuality

Elmwood Lake vs Milan Lake North

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

Milan Lake North has a higher water quality grade (B, Good) than Elmwood Lake (F, Very Poor). Both are in Sullivan County, Wisconsin.

Both Elmwood Lake and Milan Lake North sit in Missouri. 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. Milan Lake North (B) is materially cleaner than Elmwood Lake (F). A gap that wide is unlikely to close in a single year of remediation work; it reflects multi-decade differences in the lakes themselves.

For a recreational visitor, the wider grade gap is decisive — Milan Lake North 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

Elmwood Lake

Sullivan County, Wisconsin

Very murky, less than 2.7 ft of visibility.

B

Milan Lake North

Sullivan County, Wisconsin

No clarity data.

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.

MetricElmwood LakeMilan Lake North
Overall GradeF (Very Poor)B (Good)
Water Clarity2.7 ftNo data
Phosphorus70.8 µg/L51.8 µg/L
Chlorophyll-a (Algae)35.2 µg/L7.8 µg/L
Maximum Depth--
Surface Area224 acres15 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophiceutrophic

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

Verdict

Milan Lake North wins on overall water quality with a Grade B versus Elmwood Lake's Grade F. For fishing diversity, Milan Lake North also leads with 0 species.