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LakeQuality

Bradley Brook Reservoir vs Lake Moraine

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

Bradley Brook Reservoir and Lake Moraine both received the same overall water quality grade of A (Excellent). Both are in Madison County, Wisconsin.

Both Bradley Brook Reservoir and Lake Moraine sit in New York. 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 — Bradley Brook Reservoir (A) versus Lake Moraine (A). 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.

A

Bradley Brook Reservoir

Madison County, Wisconsin

Crystal clear, you can see 20.7 ft down.

A

Lake Moraine

Madison County, Wisconsin

Crystal clear, you can see 20.3 ft down.

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.

MetricBradley Brook ReservoirLake Moraine
Overall GradeA (Excellent)A (Excellent)
Water Clarity20.7 ft20.3 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth--
Surface Area141 acres260 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateoligotrophicoligotrophic

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

Verdict

Both lakes earn the same Grade A. The tiebreakers come down to clarity (Bradley Brook Reservoir: 20.7 ft, Lake Moraine: 20.3 ft) and what you want from the lake. Bradley Brook Reservoir matches its peer on species count.