Eau Claire Flowage

Marathon County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)184
Maximum Depth (ft)10
Mean Depth (ft)4
Shoreline (miles)—
Bottom Composition45% sand, 10% gravel, 0% rock, 45% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classflowage
Public Access—
Township—
GPS Coordinates44.91970° N, 89.60720° W
WBIC (DNR ID)1437800

Fish Species

4 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Northern PikeCommon—
PanfishCommon—
Smallmouth BassCommon—
Largemouth BassPresent—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
Schofield Dam Boat LaunchRAMP—11-15YesNo

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—
Eurasian Water-MilfoilConfirmed—
Rusty CrayfishConfirmed—

Data sourced from Wisconsin DNR lake surveys. Last scraped: 4/29/2026.

Eau Claire Flowage — Facts & Figures | Stay Northern