Skip to main content
LakeQuality

Hamilton Lake vs Pony Express Lake

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

Hamilton Lake and Pony Express Lake both received the same overall water quality grade of D (Poor). Both are in Wisconsin.

Both Hamilton Lake and Pony Express Lake sit in Missouri. 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 — Hamilton Lake (D) versus Pony Express Lake (D). 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

Hamilton Lake

Caldwell County, Wisconsin

No clarity data.

D

Pony Express Lake

DeKalb County, Wisconsin

Very murky, less than 1.3 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.

MetricHamilton LakePony Express Lake
Overall GradeD (Poor)D (Poor)
Water ClarityNo data1.3 ft
Phosphorus64.2 µg/L53.2 µg/L
Chlorophyll-a (Algae)20.7 µg/L26.3 µg/L
Maximum Depth--
Surface Area76 acres164 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophiceutrophic

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

Verdict

Both lakes earn the same Grade D. The tiebreakers come down to what you want from the lake. Hamilton Lake matches its peer on species count.