Lake Poygan

Winnebago, Waushara County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)14,024
Maximum Depth (ft)11
Mean Depth (ft)
Shoreline (miles)
Bottom Composition30% sand, 10% gravel, 0% rock, 60% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinDRAINAGE
Lake Classlake
Public Access
Township
GPS Coordinates44.14620° N, 88.83920° W
WBIC (DNR ID)242800

Fish Species

8 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
CatfishAbundant
PanfishAbundant
SturgeonAbundant
Largemouth BassCommon
Northern PikeCommon
WalleyeCommon
MuskyPresent
Smallmouth BassPresent

Boat Landings

6 landings

NameTypeRampTrailersFee
Boat Landing 1Public
Boat Landing 2Public
Boat Landing 3Public
Boat Landing 4Public
Boat Landing 5Public
Boat Landing 6Public

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
Curly-Leaf PondweedConfirmed
Eurasian Water-MilfoilConfirmed
Faucet SnailConfirmed
Flowering RushConfirmed
Rusty CrayfishConfirmed
Zebra MusselConfirmed

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