Beckman Lake

Green County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)63
Maximum Depth (ft)12
Mean Depth (ft)7
Shoreline (miles)—
Bottom Composition40% sand, 40% gravel, 10% rock, 10% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classflowage
Public Access—
Township—
GPS Coordinates42.58470° N, 89.77460° W
WBIC (DNR ID)894700

Fish Species

3 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
PanfishAbundant—
Largemouth BassCommon—
Northern PikeCommon—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
Beckman Lake - Cadiz Springs Boat RampRAMP—0YesNo

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
Curly-Leaf PondweedConfirmed—
Eurasian Water-MilfoilConfirmed—
Purple LoosestrifeConfirmed—

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