| Case Number | Case Title | Open Date | Closed Date |
| 92-0550-WS-COI | OHIO UTILITIES/CITIZENS UTILITIES | 03/30/1992 | 05/15/1997 |
| 92-0925-WS-AIS | OHIO SUBURBAN WATER COMPANY | 05/20/1992 | 07/09/1992 |
| 92-1199-WS-AIS | OHIO SUBURBAN WATER COMPANY | 07/08/1992 | 07/23/1992 |
| 92-2067-WS-ACE | PENINSULA WATER WORKS, INC. | 11/12/1992 | 09/21/1994 |