St Croix Flowage

Douglas County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)2,247
Maximum Depth (ft)28
Mean Depth (ft)7
Shoreline (miles)—
Bottom Composition48% sand, 0% gravel, 30% rock, 22% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classflowage
Public Access—
Township—
GPS Coordinates46.25610° N, 91.87130° W
WBIC (DNR ID)2740300

Fish Species

4 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassCommon—
Northern PikeCommon—
PanfishCommon—
MuskyPresent—

Boat Landings

2 landings

NameTypeRampTrailersFee♿
Gordon Dam Park Boat LandingRAMP—6-10NoNo
North Flowage Boat LandingRAMP—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
Banded Mystery SnailConfirmed—
Chinese Mystery SnailConfirmed—
Curly-Leaf PondweedConfirmed—
Eurasian Water-MilfoilConfirmed—
Purple LoosestrifeConfirmed—

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