| Jim Obradovich | Association of Regional Water Organizations | Opposing | GA89 |
| Robert Mulqueen | Association of Regional Water Organizations | Opposing | GA89 |
| Clara Wulfsen | Department of Revenue | Undecided | GA89 |
| Threase Harms | Des Moines Water Works | Undecided | GA89 |
| Bob Rafferty | Iowa American Water Co. | Supporting | GA89 |
| Nick Laning | Iowa American Water Co. | Supporting | GA89 |
| Rachel Ong | Iowa American Water Co. | Supporting | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Alex Cutchey | Iowa Association of Municipal Utilities | Opposing | GA89 |
| Brad Epperly | Iowa Association of Municipal Utilities | Opposing | GA89 |
| Dustin Miller | Iowa Association of Municipal Utilities | Opposing | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA89 |
| Angela Davis | Iowa Environmental Council | Undecided | GA89 |
| Emily Piper | Iowa Rural Water Association | Opposing | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA89 |
| Jim Carney | Iowa State Bar Association | Undecided | GA89 |
| Maison Bleam | Iowa Utilities Board | Undecided | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Jake Ketzner | Urbandale Water Utility | Undecided | GA89 |
| Larry Blixt | Urbandale Water Utility | Undecided | GA89 |