Grettum Flowage

Burnett County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)249
Maximum Depth (ft)—
Mean Depth (ft)—
Shoreline (miles)—
Bottom Composition—
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classflowage
Public Access—
Township—
GPS Coordinates45.70990° N, 92.69240° W
WBIC (DNR ID)2637800

Fish Species

AbundantCommonPresentRare

No fish species data available for this lake.

Boat Landings

No boat landing data available.

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
Purple LoosestrifeConfirmed—

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

Grettum Flowage — Facts & Figures | Stay Northern