WI · ranked by public data
2 Ozaukee County lakes cover at least 50 acres, out of 22 documented lakes in the county. Updated July 2026.
Ozaukee County, WI
148 acres · 4 ft max depth · No verified public access
Ozaukee County, WI
60 acres · 22 ft max depth · No verified public access
Methodology
FAQ
Mud Lake — Mud Lake in Ozaukee County is the biggest lake in Ozaukee County, at 148 acres.
Source data: Wisconsin DNR lake and monitoring records as aggregated by LakeList. Figures reflect the most recent documented values, not new surveys — verify access and rules before you go. Lake outlines are shoreline shapes from LakeList and the USGS National Hydrography Dataset; they illustrate a lake's form and are not depth or navigation charts.