| F. Thornton | Agri Drain Corp. | Supporting | GA85 |
| Jerry Fitzgerald | Agribusiness Association of Iowa | Undecided | GA85 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Undecided | GA85 |
| Mark Joyce | Agribusiness Association of Iowa | Undecided | GA85 |
| David Scott | American Water Works Association | Supporting | GA85 |
| MIke Delaney | Citizens For A Healthy Iowa | Undecided | GA85 |
| Gary Grant | City of Cedar Rapids | Undecided | GA85 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA85 |
| Linda Kinman | Des Moines Water Works | Supporting | GA85 |
| Laverne Schroeder | Hungry Canyons Alliance | 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 |
| Julie Smith | Iowa Association of Municipal Utilities | Supporting | GA85 |
| Troy DeJoode | Iowa Association of Municipal Utilities | Supporting | GA85 |
| Brice Oakley | Iowa Association of Regional Councils (IARC) | Supporting | GA85 |
| Don Avenson | Iowa Association of Regional Councils (IARC) | Supporting | GA85 |
| Tom Cope | Iowa Association of Regional Councils (IARC) | Supporting | GA85 |
| Linda Kinman | Iowa Association of Water Agencies | Supporting | GA85 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA85 |
| Tom Chapman | Iowa Catholic Conference | Undecided | GA85 |
| Justine Stevenson | Iowa Cattlemen's Association | Undecided | 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 |
| Lana Shope | Iowa Community Action Association | Undecided | 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 | Undecided | GA85 |
| Ralph Rosenberg | Iowa Environmental Council | Undecided | GA85 |
| Carolann Jensen | Iowa Finance Authority | Undecided | GA85 |
| Wes Peterson | Iowa Finance Authority | Undecided | GA85 |
| Lana Shope | Iowa Head Start Association | Undecided | GA85 |
| Dustin Miller | Iowa League of Cities | Supporting | GA85 |
| Jessica Hyland | Iowa League of Cities | Supporting | GA85 |
| Jerry Fitzgerald | Iowa Pork Producers Association (IPP) | Undecided | GA85 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association (IPP) | Undecided | GA85 |
| Mark Joyce | Iowa Pork Producers Association (IPP) | Undecided | GA85 |
| Courtney Willits | Iowa Rivers Revival | Supporting | GA85 |
| Kent Hartwig | Iowa Rivers Revival | Supporting | GA85 |
| Threase Harms | Iowa Rivers Revival | Supporting | GA85 |
| Emily Piper | Iowa Rural Water Association | Supporting | GA85 |
| Brad Epperly | Iowa Water Well Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Water Well Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Water Well Association | Undecided | GA85 |
| MIke Delaney | Izaak Walton League - Iowa Division | Undecided | GA85 |
| Laverne Schroeder | Loess Hills Alliance | Undecided | GA85 |
| Brad Epperly | Monsanto Company | Undecided | GA85 |
| Scott Sundstrom | Monsanto Company | Undecided | GA85 |
| MIke Delaney | Raccoon River Watershed Association | Undecided | GA85 |
| Emily Piper | Rathbun Regional Water Association | Supporting | GA85 |
| Steven Schoenebaum | Smithfield Foods, Inc. | Undecided | GA85 |