| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Nick Laning | Des Moines Water Works | Supporting | GA91 |
| Noah Hackbart | Des Moines Water Works | Supporting | GA91 |
| Threase Harms | Des Moines Water Works | Supporting | GA91 |
| David Peck | Iowa Association of Municipal Utilities | Supporting | GA91 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Supporting | GA91 |
| Greta Haas | Iowa Association of Realtors | Undecided | GA91 |
| Greta Haas | Iowa Association of Realtors | Opposing | GA91 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA91 |
| Jennifer Kingland | Iowa Association of Realtors | Opposing | GA91 |
| Kelsey Schott | Iowa Association of Water Agencies | Supporting | GA91 |
| Matt McKinney | Iowa Association of Water Agencies | Supporting | GA91 |
| RG Schwarm | Iowa Association of Water Agencies | Supporting | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA91 |
| Cody Smith | Iowa Environmental Council | Supporting | GA91 |
| Colleen Fowle | Iowa Environmental Council | Supporting | GA91 |
| Kerri Johannsen | Iowa Environmental Council | Supporting | GA91 |
| Michael Schmidt | Iowa Environmental Council | Supporting | GA91 |
| Noah Hackbart | Iowa Environmental Council | Supporting | GA91 |
| Sarah Green | Iowa Environmental Council | Supporting | GA91 |
| Threase Harms | Iowa Environmental Council | Supporting | GA91 |
| Jefferson Fink | Iowa Environmental Health Association | Supporting | GA91 |
| Jim Obradovich | Iowa Environmental Health Association | Supporting | GA91 |
| Victoria Sinclair | Iowa Environmental Health Association | Supporting | GA91 |
| Andy Conlin | Iowa Manufactured Housing Association | Supporting | GA91 |
| Dennis Tibben | Iowa Manufactured Housing Association | Supporting | GA91 |
| Emily Piper | Iowa Rural Water Association | Supporting | GA91 |
| Logan Shine | Iowa Rural Water Association | Supporting | GA91 |
| Kate Walton | Iowa Section American Water Works Association | Supporting | GA91 |
| Madeleine Bradley | Iowa Section American Water Works Association | Supporting | GA91 |
| Matt Eide | Iowa Section American Water Works Association | Supporting | GA91 |
| Stephanie Weisenbach | Iowa Utilities Commission | Undecided | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |
| Jake Ketzner | Urbandale Water Utility | Supporting | GA91 |
| Larry Blixt | Urbandale Water Utility | Supporting | GA91 |
| Nick Boeyink | Urbandale Water Utility | Supporting | GA91 |
| Kate Walton | West Des Moines Water Works | Supporting | GA91 |
| Madeleine Bradley | West Des Moines Water Works | Supporting | GA91 |
| Matt Eide | West Des Moines Water Works | Supporting | GA91 |