| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Neila Seaman | Iowa Chapter of Sierra Club | Opposing | GA85 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA85 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA85 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA85 |
| Jim Obradovich | Iowa Environmental Council | Opposing | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Opposing | GA85 |
| John Benson | Iowa Homeland Security & Emergency Management Div. | Undecided | GA85 |
| Don Brazelton | Iowa Rivers Revival | Opposing | GA85 |
| Hanna DeGroot | Iowa State Association of Counties | Undecided | GA85 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA85 |
| Linda Hinton | Iowa State Association of Counties | Undecided | GA85 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA85 |
| William Peterson | Iowa State Association of Counties | Undecided | GA85 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA85 |
| MIke Delaney | Izaak Walton League - Iowa Division | Opposing | GA85 |
| Gary Grant | LDWC (Lake Delhi Watershed Committee, LLC) | Supporting | GA85 |
| Gary Grant | Lake Delhi Combined Water Quality & Recreational Facility District | Supporting | GA85 |
| Larry Murphy | Lake Delhi Combined Water Quality & Recreational Facility District | Supporting | GA85 |
| John Pederson | Missouri River Energy Services | Undecided | GA85 |
| Matt Eide | Missouri River Energy Services | Undecided | GA85 |
| MIke Delaney | Raccoon River Watershed Association | Opposing | GA85 |