| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Nick Laning | Des Moines Water Works | Undecided | GA91 |
| Noah Hackbart | Des Moines Water Works | Undecided | GA91 |
| Threase Harms | Des Moines Water Works | Undecided | GA91 |
| BRITTANY LUMLEY | Iowa American Water Co. | Supporting | GA91 |
| Courtney Craig | Iowa American Water Co. | Supporting | GA91 |
| Elliott Meyer | Iowa American Water Co. | Supporting | GA91 |
| Jeffrey Boeyink | Iowa American Water Co. | Supporting | GA91 |
| David Peck | Iowa Association of Municipal Utilities | Undecided | GA91 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Undecided | GA91 |
| Kelsey Schott | Iowa Association of Water Agencies | Undecided | GA91 |
| Matt McKinney | Iowa Association of Water Agencies | Undecided | GA91 |
| RG Schwarm | Iowa Association of Water Agencies | Undecided | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Cody Smith | Iowa Environmental Council | Undecided | GA91 |
| Colleen Fowle | Iowa Environmental Council | Undecided | GA91 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA91 |
| Michael Schmidt | Iowa Environmental Council | Undecided | GA91 |
| Noah Hackbart | Iowa Environmental Council | Undecided | GA91 |
| Sarah Green | Iowa Environmental Council | Undecided | GA91 |
| Threase Harms | Iowa Environmental Council | Undecided | GA91 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA91 |
| Logan Shine | Iowa Rural Water Association | Undecided | GA91 |
| Kate Walton | Iowa Section American Water Works Association | Undecided | GA91 |
| Madeleine Bradley | Iowa Section American Water Works Association | Undecided | GA91 |
| Matt Eide | Iowa Section American Water Works Association | Undecided | 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 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA91 |
| Chloe Gayer | Professional Developers of Iowa (PDI) | Undecided | GA91 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA91 |
| Jessica Seelinger | Professional Developers of Iowa (PDI) | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |
| Jake Ketzner | Urbandale Water Utility | Undecided | GA91 |
| Larry Blixt | Urbandale Water Utility | Undecided | GA91 |
| Nick Boeyink | Urbandale Water Utility | Undecided | GA91 |
| Kate Walton | West Des Moines Water Works | Undecided | GA91 |
| Madeleine Bradley | West Des Moines Water Works | Undecided | GA91 |
| Matt Eide | West Des Moines Water Works | Undecided | GA91 |