| Case Number | Case Title | Open Date | Closed Date |
| 19-1611-WS-AAC | In the Matter of the Application of Aqua Ohio, Inc. to Amend Certificate of Public Convenience and Necessity No. 35 | 08/21/2019 | |
| 20-1198-WS-AAC | AQUA OHIO INC/AQUA OHIO WASTEWATER INC | 06/26/2020 | |
| 23-0175-WS-AAC | In the Matter of the Joint Application of Aqua Ohio, Inc. and Aqua Ohio Wastewater, Inc. to Amend Certificate of Public Convenience and Necessity | 03/06/2023 | |