| Site | Name | County | Lat | Lon | Range | Updated |
|---|---|---|---|---|---|---|
| 001 (1) | Quimby | Cherokee | 42.66944 | -95.61322 | 25 | 2017-11-21 |
| 002 (2) | Everly | Clay | 43.15917 | -95.25527 | 25 | 2017-11-21 |
| 003 (3) | Storm Lake | Buena Vista | 42.69858 | -95.22942 | 25 | 2018-09-02 |
| 004 (4) | Ruthven | Palo Alto | 43.15053 | -94.85775 | 25 | 2016-10-24 |
| 005 (5) | Lake City | Calhoun | 42.33969 | -94.77358 | 25 | 2016-10-24 |
| 006 (6) | Glidden | Carroll | 42.08511 | -94.7345 | 25 | 2016-10-24 |
| 007 (7) | Pocahontas | Pocahontas | 42.71777 | -94.65449 | 25 | 2019-10-28 |
| 008 (8) | Humboldt | Humboldt | 42.6755 | -94.18619 | 25 | 2016-10-24 |
| 009 (9) | Burt | Kossuth | 43.19746 | -94.21969 | 25 | 2016-10-24 |
| 010 (A) | Grand Junction | Greene | 42.00824 | -94.24181 | 25 | 2016-10-24 |
| 011 (B) | Webster City | Hamilton | 42.47143 | -93.81695 | 25 | 2016-10-24 |
| 012 (C) | Klemme | Hancock | 42.98044 | -93.60495 | 25 | 2016-10-24 |
| 013 (D) | Nevada | Story | 42.03706 | -93.39275 | 25 | 2016-10-24 |
| 014 (E) | Hampton | Franklin | 42.74009 | -93.20613 | 25 | 2016-10-24 |
| 015 (F) | Wellsburg | Grundy | 42.43474 | -92.92323 | 25 | 2016-10-24 |
| 016 (10) | Plainfield | Bremer | 42.84684 | -92.54308 | 25 | 2016-10-24 |
| 017 (11) | Dinsdale | Tama | 42.25915 | -92.54492 | 25 | 2016-10-24 |