Middle Genesee Lake

Waukesha County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)98
Maximum Depth (ft)40
Mean Depth (ft)8
Shoreline (miles)—
Bottom Composition30% sand, 50% gravel, 0% rock, 20% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinSEEPAGE
Lake Classlake
Public Access—
Township—
GPS Coordinates43.05090° N, 88.47920° W
WBIC (DNR ID)778300

Fish Species

3 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
PanfishAbundant—
Largemouth BassCommon—
Northern PikePresent—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
Middle Genesee LakeRAMP—11-15NoNo

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—
Eurasian Water-MilfoilConfirmed—
Flowering RushConfirmed—
Hybrid Eurasian / Northern Water-MilfoilConfirmed—
Zebra MusselConfirmed—

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

Middle Genesee Lake — Facts & Figures | Stay Northern