| Case Number | Case Title | Open Date | Closed Date |
| 01-3162-ST-UNC | WISECARVER ENVIRONMENTAL SERVICES, INC | 12/07/2001 | |
| 09-0645-ST-UNC | COPLEY SQUARE SEWER COMPANY | 07/27/2009 | |
| 11-5008-ST-UNC | WISECARVER ENVIRONMENTAL INC | 09/08/2011 | |
| 87-1320-ST-UNC | PUBLIC SERV CORP/FAIRFIELD COUNTY | 08/31/1987 | 09/09/1987 |
| 91-1190-ST-UNC | TOLCO UTILITIES, INC. | 07/01/1991 | 06/25/1992 |
| 93-1871-ST-UNC | OLD ORCHARD UTILITIES | 11/10/1993 | 01/27/1994 |
| 94-0580-ST-UNC | SHARON UTILITIES/ALLEN COUNTY | 03/31/1994 | 04/27/1994 |
| 97-0919-ST-UNC | WESTERN OHIO UTILITY COMPANY INC. | 08/25/1997 | 09/25/1997 |