Public Sites
| State | County | Name |
|---|---|---|
| Iowa | Wayne | Wayne County |
| Iowa | Bremer | Waverly |
| Iowa | Allamakee | Waukon City Park |
| Iowa | Allamakee | Waukon |
| Iowa | Dallas | Waukee |
| Iowa | Fayette | Waucoma |
| Iowa | Fremont | Waubonsie State Park |
| West Virginia | Pocahontas | Watoga State Park |
| Iowa | Johnson | Waterworks Prairie Park, Iowa City |
| Iowa | Dickinson | Watertower Prairie |
| Iowa | O'Brien | Waterman Wildlife Area |
| Iowa | O'Brien | Waterman Wildlife Addition |
| Iowa | O'Brien | Waterman Prairie South |
| Iowa | O'Brien | Waterman Prairie |
| Iowa | O'Brien | Waterman Creek/Little Sioux River |
| Iowa | Black Hawk | Waterloo Airport |
| Iowa | Black Hawk | Waterloo |
| Iowa | Polk | Waterbury |
| Iowa | Polk | Water Works Park, Des Moines |
| South Dakota | Pennington | Wasta |
| Iowa | Cherokee | Washta |
| Iowa | Linn | Washington High School, Cedar Rapids |
| Iowa | Washington | Washington County |
| Iowa | Washington | Washington |
| Iowa | Warren | Warren County |