Black Brook Flowage

Polk County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)69
Maximum Depth (ft)23
Mean Depth (ft)7
Shoreline (miles)
Bottom Composition20% sand, 20% gravel, 0% rock, 60% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinDRAINAGE
Lake Classflowage
Public Access
Township
GPS Coordinates45.26580° N, 92.38690° W
WBIC (DNR ID)2621900

Fish Species

4 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassCommon
Northern PikeCommon
PanfishCommon
MuskyPresent

Boat Landings

2 landings

NameTypeRampTrailersFee
Boat Landing 1Public
Boat Landing 2Public

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
Rusty CrayfishConfirmed

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