WI · ranked by public data
7 Washington County lakes are at least 50 acres with a current DNR water-clarity reading, out of 54 documented lakes in the county. Updated July 2026.
Washington County, WI
14.3 ft water clarity (Jun 2026) · 260 acres, 56 ft max depth · 1 public landing
Washington County, WI
10.5 ft water clarity (Apr 2026) · 937 acres, 105 ft max depth · 3 public landings
Washington County, WI
10 ft water clarity (Jun 2026) · 104 acres, 23 ft max depth · No verified public access
Washington County, WI
9 ft water clarity (Sep 2025) · 461 acres, 45 ft max depth · 5 public landings
Washington County, WI
7 ft water clarity (Oct 2024) · 70 acres, 37 ft max depth · 2 public landings
Washington County, WI
6.6 ft water clarity (Aug 2023) · 65 acres, 34 ft max depth · No verified public access
Washington County, WI
6.5 ft water clarity (Sep 2025) · 122 acres, 53 ft max depth · 1 public landing
Methodology
FAQ
Little Cedar Lake — By most recent Secchi reading, Little Cedar Lake in Washington County is the clearest monitored lake in Washington County, with 14.3 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.