WI · ranked by public data
57 Polk County lakes are at least 50 acres with a documented maximum depth, out of 250 documented lakes in the county. Updated July 2026.
Polk County, WI
102 ft maximum depth · 96 acres · 1 public landing
Polk County, WI
71 ft maximum depth · 56 acres · No verified public access
Polk County, WI
68 ft maximum depth · 293 acres · 1 public landing · DNR impairment listed
Polk County, WI
60 ft maximum depth · 550 acres · 2 public landings
Polk County, WI
58 ft maximum depth · 216 acres · 1 public landing
Polk County, WI
57 ft maximum depth · 398 acres · 1 public landing
Polk County, WI
46 ft maximum depth · 786 acres · 1 public landing
Polk County, WI
45 ft maximum depth · 87 acres · 1 public landing
Polk County, WI
44 ft maximum depth · 61 acres · 1 public landing
Polk County, WI
43 ft maximum depth · 1,667 acres · 2 public landings
| Rank | Lake | County | Max depth | Acres | Public access |
|---|---|---|---|---|---|
| 11 | Ward Lakeimpaired | Polk | 43 ft | 82 | 1 landing |
| 12 | Balsam Lake | Polk | 37 ft | 1,901 | 4 landings |
| 13 | Herby Lake | Polk | 36 ft | 63 | 1 landing |
| 14 | Poplar Lake | Polk | 34 ft | 117 | 1 landing |
| 15 | Pine Lake | Polk | 34 ft | 88 | 1 landing |
| 16 | Pike Lake | Polk | 33 ft | 148 | 1 landing |
| 17 | Wapogasset Lakeimpaired | Polk | 32 ft | 1,189 | 2 landings |
| 18 | Cedar Lakeimpaired | Polk | 32 ft | 1,120 | 1 landing |
| 19 | Swede Lake | Polk | 32 ft | 66 | 1 landing |
| 20 | Grenquist Lake | Polk | 30 ft | 59 | 1 landing |
| 21 | Alabama Lake | Polk | 28 ft | 132 | — |
| 22 | Lamont Lake | Polk | 28 ft | 88 | — |
| 23 | North Twin Lake | Polk | 27 ft | 129 | 1 landing |
| 24 | Magnor Lake | Polk | 26 ft | 229 | 1 landing |
| 25 | Bass Lake | Polk | 26 ft | 79 | — |
Methodology
FAQ
Lower Pine Lake — Lower Pine Lake in Polk County is the deepest documented lake in Polk County, at 102 feet maximum depth.
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.