| Jim Obradovich | Central Iowa Water Association | Opposing | GA85 |
| Robert Mulqueen | Central Iowa Water Association | Opposing | 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 |
| Brad Epperly | Federation of Iowa Insurers | Supporting | GA85 |
| Paula Dierenfeld | Federation of Iowa Insurers | Supporting | GA85 |
| Scott Sundstrom | Federation of Iowa Insurers | Supporting | GA85 |
| Bob Rafferty | Iowa American Water Co. | 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 |
| Jessica Hyland | Iowa Association of Municipal Utilities | Supporting | GA85 |
| Julie Smith | Iowa Association of Municipal Utilities | Supporting | GA85 |
| Troy DeJoode | Iowa Association of Municipal Utilities | Supporting | GA85 |
| Linda Kinman | Iowa Association of Water Agencies | Undecided | GA85 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA85 |
| Dustin Miller | Iowa League of Cities | Supporting | GA85 |
| Jessica Hyland | Iowa League of Cities | Supporting | GA85 |
| Craig Walter | Iowa Restaurant Association | 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 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA85 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA85 |
| Emily Piper | Rathbun Regional Water Association | Supporting | GA85 |
| Gary Grant | Urban County Coalition | Undecided | GA85 |
| Larry Murphy | Urban County Coalition | Undecided | GA85 |