WI · ranked by public data
4 Portage County lakes are at least 50 acres with a current DNR water-clarity reading, out of 77 documented lakes in the county. Updated July 2026.
Portage County, WI
9 ft water clarity (Aug 2025) · 247 acres, 19 ft max depth · 2 public landings
Portage County, WI
8.5 ft water clarity (Jun 2026) · 73 acres, 33 ft max depth · 1 public landing
Portage County, WI
8 ft water clarity (Jul 2026) · 89 acres, 20 ft max depth · 1 public landing
Portage County, WI
4.8 ft water clarity (Aug 2022) · 84 acres, 7 ft max depth · 2 public landings
Methodology
FAQ
McDill Pond — By most recent Secchi reading, McDill Pond in Portage County is the clearest monitored lake in Portage County, with 9 feet of visibility.
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.