Half Moon Lake

Polk County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)550
Maximum Depth (ft)60
Mean Depth (ft)25
Shoreline (miles)
Bottom Composition65% sand, 0% gravel, 0% rock, 35% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinDRAINAGE
Lake Classlake
Public Access
Township
GPS Coordinates45.49460° N, 92.42050° W
WBIC (DNR ID)2621100

Fish Species

4 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassAbundant
Northern PikeCommon
PanfishCommon
WalleyePresent

Boat Landings

3 landings

NameTypeRampTrailersFee
Boat Landing 1Public
Boat Landing 2Public
Boat Landing 3Public

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
Chinese Mystery SnailConfirmed
Curly-Leaf PondweedConfirmed
Eurasian Water-MilfoilConfirmed
Rusty CrayfishConfirmed
Yellow IrisConfirmed

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

Half Moon Lake — Facts & Figures | Stay Northern