McGinnis Lake

Adams County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)27
Maximum Depth (ft)28
Mean Depth (ft)9
Shoreline (miles)—
Bottom Composition96% sand, 0% gravel, 0% rock, 4% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinSPRING
Lake Classflowage
Public Access—
Township—
GPS Coordinates43.84240° N, 89.64570° W
WBIC (DNR ID)179100

Fish Species

2 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassCommon—
PanfishCommon—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
McGinnis Lake AccessRAMP—1-5NoNo

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
Banded Mystery SnailConfirmed—
Curly-Leaf PondweedConfirmed—
Hybrid Eurasian / Northern Water-MilfoilConfirmed—

Data sourced from Wisconsin DNR lake surveys. Last scraped: 4/29/2026.