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LakeQuality

Badger Creek Max Depth Lake vs Dale Maffitt Reservoir

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

Dale Maffitt Reservoir has a higher water quality grade (B, Good) than Badger Creek Max Depth Lake (F, Very Poor). Both are in Wisconsin.

Badger Creek Max Depth Lake and Dale Maffitt Reservoir are both in Iowa — 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: Dale Maffitt Reservoir grades a B while Badger Creek Max Depth 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 — Dale Maffitt Reservoir 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

Badger Creek Max Depth Lake

Madison County, Wisconsin

Very murky, less than 1.6 ft of visibility.

B

Dale Maffitt Reservoir

Dallas County, Wisconsin

Moderate clarity, visible to about 9.8 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.

MetricBadger Creek Max Depth LakeDale Maffitt Reservoir
Overall GradeF (Very Poor)B (Good)
Water Clarity1.6 ft9.8 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)77.7 µg/L2.5 µg/L
Maximum Depth--
Surface Area276 acres230 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statehypereutrophicmesotrophic

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

Verdict

Dale Maffitt Reservoir wins on overall water quality with a Grade B versus Badger Creek Max Depth Lake's Grade F. Water clarity: 9.8 ft vs 1.6 ft. For fishing diversity, Dale Maffitt Reservoir also leads with 0 species.