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LakeQuality

Brookfield Lake vs Marceline Lake

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

Brookfield Lake has a higher water quality grade (B, Good) than Marceline Lake (F, Very Poor). Both are in Linn County, Wisconsin.

Both Brookfield Lake and Marceline Lake 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. Brookfield Lake (B) is materially cleaner than Marceline 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 — Brookfield 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?

B

Brookfield Lake

Linn County, Wisconsin

Murky, only visible to about 4.4 ft.

F

Marceline Lake

Linn County, Wisconsin

Very murky, less than 1.9 ft of visibility.

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.

MetricBrookfield LakeMarceline Lake
Overall GradeB (Good)F (Very Poor)
Water Clarity4.4 ft1.9 ft
Phosphorus19.7 µg/L110.9 µg/L
Chlorophyll-a (Algae)4.9 µg/L25.7 µg/L
Maximum Depth--
Surface Area106 acres65 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statemesotrophiceutrophic

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

Verdict

Brookfield Lake wins on overall water quality with a Grade B versus Marceline Lake's Grade F. Water clarity: 4.4 ft vs 1.9 ft. For fishing diversity, Brookfield Lake also leads with 0 species.