| Jim Obradovich | Association of Regional Water Organizations | Supporting | GA89 |
| Robert Mulqueen | Association of Regional Water Organizations | Supporting | GA89 |
| Gary Grant | City of Cedar Rapids | Undecided | GA89 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA89 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA89 |
| Karla Fultz McHenry | Delta Dental of Iowa | Supporting | GA89 |
| Lynh Patterson | Delta Dental of Iowa | Supporting | GA89 |
| Nick Laning | Des Moines Water Works | Undecided | GA89 |
| Threase Harms | Des Moines Water Works | Undecided | GA89 |
| Hannah McDowell | Grow Clinton County | Undecided | GA89 |
| Nick Laning | Grow Clinton County | Undecided | GA89 |
| Threase Harms | Grow Clinton County | Undecided | GA89 |
| Bob Rafferty | Iowa American Water Co. | Undecided | GA89 |
| Nick Laning | Iowa American Water Co. | Undecided | GA89 |
| Rachel Ong | Iowa American Water Co. | Undecided | GA89 |
| Alex Cutchey | Iowa Association of Municipal Utilities | Undecided | GA89 |
| Brad Epperly | Iowa Association of Municipal Utilities | Undecided | GA89 |
| Dustin Miller | Iowa Association of Municipal Utilities | Undecided | GA89 |
| Julie Smith | Iowa Association of Water Agencies | Undecided | GA89 |
| David Adelman | Iowa Dental Association | Supporting | GA89 |
| Frank Chiodo | Iowa Dental Association | Supporting | GA89 |
| Joshua Carpenter | Iowa Dental Association | Supporting | GA89 |
| Matt Hinch | Iowa Dental Association | Supporting | GA89 |
| Sara Allen | Iowa Dental Association | Supporting | GA89 |
| Jon Murphy | Iowa Dental Hygienists Association | Supporting | GA89 |
| Tom Cope | Iowa Dental Hygienists Association | Supporting | GA89 |
| Tammie Krausman | Iowa Dept. of Natural Resources | Undecided | GA89 |
| Maddie Wilcox | Iowa Dept. of Public Health | Undecided | GA89 |
| Angela Davis | Iowa Environmental Council | Undecided | GA89 |
| Alan Kemp | Iowa League of Cities | Undecided | GA89 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA89 |
| Robert Palmer | Iowa League of Cities | Undecided | GA89 |
| Amy Campbell | Iowa Nurses Association | Supporting | GA89 |
| Craig Patterson | Iowa Nurses Association | Supporting | GA89 |
| Amy Campbell | Iowa Primary Care Association | Supporting | GA89 |
| Craig Patterson | Iowa Primary Care Association | Supporting | GA89 |
| Lina Tucker Reinders | Iowa Public Health Association | Supporting | GA89 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA89 |
| Maison Bleam | Iowa Utilities Board | Undecided | GA89 |
| David Scott | Iowa Water Well Association | Undecided | GA89 |
| Cyndi Pederson | United Way of Central Iowa | Supporting | GA89 |
| Dave Stone | United Way of Central Iowa | Supporting | GA89 |
| John Pederson | United Way of Central Iowa | Supporting | GA89 |
| Jake Ketzner | Urbandale Water Utility | Undecided | GA89 |
| Larry Blixt | Urbandale Water Utility | Undecided | GA89 |