Diamond Lake

Polk County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)114
Maximum Depth (ft)15
Mean Depth (ft)—
Shoreline (miles)—
Bottom Composition60% sand, 20% gravel, 0% rock, 20% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinSEEPAGE
Lake Classlake
Public Access—
Township—
GPS Coordinates45.72370° N, 92.46430° W
WBIC (DNR ID)2461200

Fish Species

3 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassPresent—
Northern PikePresent—
PanfishPresent—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
Diamond Lake AccessRAMP—1-5NoNo

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
Chinese Mystery SnailConfirmed—

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