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LakeQuality

Lake Darling Max Depth vs White Oak Lake

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

Lake Darling Max Depth and White Oak Lake both received the same overall water quality grade of F (Very Poor). Both are in Wisconsin.

Both Lake Darling Max Depth and White Oak 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. These two are within a letter of each other on the rubric — Lake Darling Max Depth (F) versus White Oak Lake (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.

F

Lake Darling Max Depth

Washington County, Wisconsin

Very murky, less than 1.6 ft of visibility.

F

White Oak Lake

Mahaska County, Wisconsin

Very murky, less than 1.4 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 Darling Max DepthWhite Oak Lake
Overall GradeF (Very Poor)F (Very Poor)
Water Clarity1.6 ft1.4 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)60.5 µg/L68.7 µg/L
Maximum Depth--
Surface Area304 acres20 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statehypereutrophichypereutrophic

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 Darling Max Depth: 1.6 ft, White Oak Lake: 1.4 ft) and what you want from the lake. Lake Darling Max Depth matches its peer on species count.