Turtle Lake

Walworth County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)141
Maximum Depth (ft)30
Mean Depth (ft)—
Shoreline (miles)—
Bottom Composition15% sand, 0% gravel, 0% rock, 85% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinSPRING
Lake Classlake
Public Access—
Township—
GPS Coordinates42.72680° N, 88.68200° W
WBIC (DNR ID)795100

Fish Species

3 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassPresent—
Northern PikePresent—
PanfishPresent—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
Turtle Lake RampRAMP—6-10NoNo

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—
Hybrid Eurasian / Northern Water-MilfoilConfirmed—
Phragmites (non-native)Confirmed—
Purple LoosestrifeConfirmed—
Spiny NaiadConfirmed—
Zebra MusselConfirmed—

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