| Case Number | Case Title | Open Date | Closed Date |
| 07-0252-WS-UNC | IN THE MATTER OF THE COMPLIANCE OF OHIO AMERICAN WATER COMPANY WITH THE STIPULATION APPROVED IN CASE NO 06-433-WS-AIR | 03/12/2007 | 10/29/2015 |
| 11-3859-WS-UNC | CORDELL REGIONAL UTILITIES INC | 06/23/2011 | 09/18/2023 |
| 12-1771-WS-UNC | AQUA OHIO WATER COMPANY INC | 06/06/2012 | 08/06/2012 |
| 19-1610-WS-UNC | In the Matter of the Application of Aqua Ohio, Inc. to Purchase the Assets and Properties of the City of Campbell | 08/21/2019 | 10/04/2023 |
| 22-0330-WS-UNC | WATER AND SEWER LLC | 04/05/2022 | 10/03/2023 |