Second Lake

Trempealeau County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)24
Maximum Depth (ft)7
Mean Depth (ft)4
Shoreline (miles)
Bottom Composition98% sand, 0% gravel, 0% rock, 2% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinDRAINAGE
Lake Classlake
Public Access
Township
GPS Coordinates43.99810° N, 91.42050° W
WBIC (DNR ID)728800

Fish Species

3 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassCommon
Northern PikePresent
PanfishPresent

Boat Landings

1 landing

NameTypeRampTrailersFee
Second Lake AccessRAMP6-10NoNo

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.

Second Lake — Facts & Figures | Stay Northern