| F. Thornton | Agri Drain Corp. | Undecided | GA85 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA85 |
| Craig Lang | Board of Regents, State of Iowa | Undecided | GA85 |
| Jeneane Beck | Board of Regents, State of Iowa | Undecided | GA85 |
| Joe Murphy | Board of Regents, State of Iowa | Undecided | GA85 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA85 |
| Robert Donley | Board of Regents, State of 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 | Undecided | GA85 |
| Josh Mandelbaum | Environmental Law and Policy Center | Supporting | GA85 |
| Josh Mandelbaum | Environmental Law and Policy Center | Undecided | GA85 |
| Steve Falck | Environmental Law and Policy Center | Supporting | GA85 |
| Angela Davis | Home Builders Association of Iowa | Opposing | GA85 |
| Bill Wimmer | Home Builders Association of Iowa | Opposing | 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 |
| Linda Kinman | Iowa Association of Water Agencies | Undecided | GA85 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA85 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA85 |
| Matt Gronewald | Iowa Dept. of Agriculture | Opposing | GA85 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA85 |
| John Torbert | Iowa Drainage District Association | Undecided | GA85 |
| Mona Bond | Iowa Drainage District Association | Undecided | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Undecided | GA85 |
| Dane Schumann | Iowa Farmers Union | Supporting | GA85 |
| Kent Hartwig | Iowa Farmers Union | Supporting | GA85 |
| Threase Harms | Iowa Farmers Union | Supporting | GA85 |
| Dustin Miller | Iowa League of Cities | Undecided | GA85 |
| Jessica Hyland | Iowa League of Cities | Undecided | GA85 |
| Julie Smith | Iowa League of Cities | Undecided | GA85 |
| Don Brazelton | Iowa Rivers Revival | Supporting | GA85 |
| Emily Piper | Iowa Rural Water Association | Undecided | 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 | Supporting | GA85 |
| MIke Delaney | Raccoon River Watershed Association | Supporting | GA85 |
| Emily Piper | Rathbun Regional Water Association | Undecided | GA85 |