| Linda Kinman | Des Moines Water Works | Opposing | GA85 |
| Matt Ohloff | Food & Water Watch | Opposing | GA85 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA85 |
| Lindsay Phillips | Iowa Cattlemen's Association | Undecided | GA85 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA85 |
| Neila Seaman | Iowa Chapter of Sierra Club | Opposing | GA85 |
| Adam Mason | Iowa Citizens for Community Improvement Action Fund | Opposing | GA85 |
| David Goodner | Iowa Citizens for Community Improvement Action Fund | Opposing | GA85 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Opposing | GA85 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Undecided | GA85 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Undecided | GA85 |
| Mark Joyce | Iowa Corn Growers Association(ICG) | Undecided | GA85 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | 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 |
| Dane Schumann | Iowa Farmers Union | Opposing | GA85 |
| Kent Hartwig | Iowa Farmers Union | Opposing | GA85 |
| Threase Harms | Iowa Farmers Union | Opposing | GA85 |
| Cody McKinley | Iowa Pork Producers Association (IPP) | Supporting | GA85 |
| Jerry Fitzgerald | Iowa Pork Producers Association (IPP) | Supporting | GA85 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association (IPP) | Supporting | GA85 |
| Mark Joyce | Iowa Pork Producers Association (IPP) | Supporting | GA85 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA85 |