Public Sites
| State | County | Name |
|---|---|---|
| Iowa | Black Hawk | Stream @ Hwy 281 |
| Iowa | Osceola | Stream @ Hwy 59 |
| Iowa | Lyon | Stream @ Hwy 91 |
| Iowa | Louisa | Stream @ Hwy W66 |
| Iowa | Lyon | Stream @ Log Ave |
| Iowa | O'Brien | Stream @ Warbler Ave |
| Iowa | Harrison | Stream E. of Willow Lake Rec. Area |
| Iowa | Floyd | Stricker Fen |
| Iowa | Adair | Stuart |
| Iowa | Buena Vista | Sturchler Pit |
| Iowa | Johnson | Sugar Bottom Recreational Area |
| Iowa | Van Buren | Sugema Wildlife Unit |
| Michigan | Alger | Sullivans Landing, Pictured Rocks National Seashore |
| Iowa | Warren | Summerset State Park, Banner Lakes |
| Iowa | Warren | Summerset Trail |
| Iowa | Union | Summit Lake |
| Iowa | Scott | Sunderbruch Park |
| Iowa | Appanoose | Sundown Lake Recreation Area |
| Iowa | Allamakee | Sunflower Drive Hill Prairie |
| Iowa | Pocahontas | Sunken Grove State Game Management Area |
| Iowa | Dubuque | Sunnycrest Prairie, Dubuque |
| Iowa | Crawford | Sunset Park |
| Iowa | Buena Vista | Sunset Park |
| Wisconsin | Douglas | Superior |
| Iowa | Dickinson | Superior RR Prairie East |