Wadley Lake - Marathon County - Critical Habitat Designation
| 2007 |
Wapogasset Lake - Polk County - Critical Habitat Designation
| 1989 |
Ward Lake, Polk County-Critical Habitat Designation
| 1999 |
Waterville Lake, Waukesha County- Critical Habitat Designation
| 2006 |
Whitefish (Bardon) Lake, Douglas County - Critical Habitat Designation
| 2004 |
Whitewater Lake - Walworth County - Critical Habitat Designation
| 1992 |
Wind Lake - Racine County - Critical Habitat Designation
| 2006 |
Wissota Lake - Chippewa County - Critical Habitat Area Designation
| 2006 |
Wolf Lake, Adams County - Critical Habitat Designation
| 2006 |
Wood Lake, Burnett County, Critical Habitat Designation
| 1998 |