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LakeQuality

Iowa Lkt Lake vs Lake Darling Max Depth

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

Iowa Lkt Lake has a higher water quality grade (D, Poor) than Lake Darling Max Depth (F, Very Poor). Both are in Wisconsin.

Both Iowa Lkt Lake and Lake Darling Max Depth 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. These two are within a letter of each other on the rubric — Iowa Lkt Lake (D) versus Lake Darling Max Depth (F). The deciding factors for a recreational visitor are likely physical (depth, access, fish species) rather than water-quality differences.

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.

D

Iowa Lkt Lake

Iowa County, Wisconsin

Murky, only visible to about 3.7 ft.

F

Lake Darling Max Depth

Washington County, Wisconsin

Very murky, less than 1.6 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.

MetricIowa Lkt LakeLake Darling Max Depth
Overall GradeD (Poor)F (Very Poor)
Water Clarity3.7 ft1.6 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)No data60.5 µg/L
Maximum Depth--
Surface Area92 acres304 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophichypereutrophic

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

Verdict

Iowa Lkt Lake wins on overall water quality with a Grade D versus Lake Darling Max Depth's Grade F. Water clarity: 3.7 ft vs 1.6 ft. For fishing diversity, Iowa Lkt Lake also leads with 0 species.