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LakeQuality

Lake Miami Max Depth vs Roberts Creek Lake

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

Lake Miami Max Depth and Roberts Creek Lake both received the same overall water quality grade of F (Very Poor). Both are in Wisconsin.

Both Lake Miami Max Depth and Roberts Creek Lake sit in Iowa. 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 close: Lake Miami Max Depth (F) and Roberts Creek Lake (F) are within one letter of each other on the LakeGrade rubric. The per-parameter sub-grades below will show where the small differences actually live.

With grades this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.

F

Lake Miami Max Depth

Monroe County, Wisconsin

Very murky, less than 1.3 ft of visibility.

F

Roberts Creek Lake

Marion County, Wisconsin

Very murky, less than 1.5 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.

MetricLake Miami Max DepthRoberts Creek Lake
Overall GradeF (Very Poor)F (Very Poor)
Water Clarity1.3 ft1.5 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)58.6 µg/L44.6 µg/L
Maximum Depth--
Surface Area140 acres296 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statehypereutrophiceutrophic

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

Verdict

Both lakes earn the same Grade F. The tiebreakers come down to clarity (Lake Miami Max Depth: 1.3 ft, Roberts Creek Lake: 1.5 ft) and what you want from the lake. Lake Miami Max Depth matches its peer on species count.