Swan Lake

Columbia County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)407
Maximum Depth (ft)82
Mean Depth (ft)32
Shoreline (miles)
Bottom Composition30% sand, 15% gravel, 0% rock, 55% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinDRAINAGE
Lake Classlake
Public Access
Township
GPS Coordinates43.54500° N, 89.36490° W
WBIC (DNR ID)179800

Fish Species

5 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassCommon
PanfishCommon
WalleyeCommon
MuskyPresent
Northern PikePresent

Boat Landings

1 landing

NameTypeRampTrailersFee
Public Boat LandingPublic

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
Japanese knotweed (Fallopia japonica)Confirmed
Purple LoosestrifeConfirmed

Data sourced from Wisconsin DNR lake surveys. Last scraped: 3/24/2026.