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

2 landings

NameTypeRampTrailersFee♿
Voss LandingRAMP—6-10NoNo
——————

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
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: 4/30/2026.