Beaver Lake

Waukesha County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)313
Maximum Depth (ft)46
Mean Depth (ft)15
Shoreline (miles)—
Bottom Composition60% sand, 0% gravel, 5% rock, 35% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinSPRING
Lake Classlake
Public Access—
Township—
GPS Coordinates43.12880° N, 88.36060° W
WBIC (DNR ID)774400

Fish Species

3 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
PanfishCommon—
Largemouth BassPresent—
Northern PikePresent—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
Beaver Lake Public AccessCARRY-IN—0NoNo

Invasive Species

Invasive species have been documented in or near this lake. Please clean, drain, and dry all watercraft and equipment before leaving to prevent spread.

SpeciesStatusFirst Detected
Eurasian Water-MilfoilConfirmed—
Reed Manna GrassConfirmed—
Rusty CrayfishConfirmed—
Zebra MusselConfirmed—

Data sourced from Wisconsin DNR lake surveys. Last scraped: 4/30/2026.

Beaver Lake — Facts & Figures | Stay Northern