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LakeQuality

Pleasant Hill Reservoir vs Tappan Lake

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

Pleasant Hill Reservoir and Tappan Lake both received the same overall water quality grade of F (Very Poor). Both are in Wisconsin.

Both Pleasant Hill Reservoir and Tappan Lake sit in Ohio. 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 — Pleasant Hill Reservoir (F) versus Tappan 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

Pleasant Hill Reservoir

Richland County, Wisconsin

Very murky, less than 3 ft of visibility.

F

Tappan Lake

Harrison County, Wisconsin

Very murky, less than 1.8 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.

MetricPleasant Hill ReservoirTappan Lake
Overall GradeF (Very Poor)F (Very Poor)
Water Clarity3 ft1.8 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth--
Surface Area2.6K acres2.4K 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 F. The tiebreakers come down to clarity (Pleasant Hill Reservoir: 3 ft, Tappan Lake: 1.8 ft) and what you want from the lake. Pleasant Hill Reservoir matches its peer on species count.