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LakeQuality

Fordville Dam Lake vs Whitman Dam Lake

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

Whitman Dam Lake has a higher water quality grade (B, Good) than Fordville Dam Lake (C, Fair). Both are in Wisconsin.

Both Fordville Dam Lake and Whitman Dam Lake sit in North Dakota. 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: Fordville Dam Lake (C) and Whitman Dam Lake (B) 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.

C

Fordville Dam Lake

Grand Forks County, Wisconsin

Murky, only visible to about 4.4 ft.

B

Whitman Dam Lake

Nelson County, Wisconsin

Good clarity, visible to about 12 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.

MetricFordville Dam LakeWhitman Dam Lake
Overall GradeC (Fair)B (Good)
Water Clarity4.4 ft12 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)5.2 µg/LNo data
Maximum Depth--
Surface Area197.1 acres143.4 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophicmesotrophic

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

Verdict

Whitman Dam Lake wins on overall water quality with a Grade B versus Fordville Dam Lake's Grade C. Water clarity: 12 ft vs 4.4 ft. For fishing diversity, Whitman Dam Lake also leads with 0 species.