Hasmer Lake

Washington County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)13
Maximum Depth (ft)34
Mean Depth (ft)17
Shoreline (miles)
Bottom Composition99% sand, 0% gravel, 0% rock, 1% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinDRAINAGE
Lake Classlake
Public Access
Township
GPS Coordinates43.32680° N, 88.18030° W
WBIC (DNR ID)24000

Fish Species

3 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassAbundant
Northern PikeCommon
PanfishPresent

Boat Landings

1 landing

NameTypeRampTrailersFee
Hasmer Lake AccessCARRY-IN0NoYes

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
Hairy Willow HerbConfirmed

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

Hasmer Lake — Facts & Figures | Stay Northern