| Case Number | Case Title | Open Date | Closed Date |
| 79-0076-WW-AIS | PUBLIC UTILITY SERVICE INCORPORATED | 01/30/1979 | 04/25/1979 |
| 79-0178-WW-ACE | INDIANBROOK WATER COMPANY | 03/01/1979 | 06/24/1980 |
| 79-0524-WW-AIR | OHIO WATER SERVICE COMPANY | 06/14/1979 | 07/16/1980 |
| 79-0530-WW-AIR | MASURY WATER COMPANY | 06/18/1979 | 01/21/1981 |
| 79-0643-WW-AIR | OHIO WATER SERVICE COMPANY | 07/23/1979 | 10/29/1980 |
| 79-0692-WW-AIR | OHIO WATER SERVICE COMPANY | 08/07/1979 | 11/05/1980 |
| 79-0800-WW-CSS | MAAS/VALLEY WATER WORKS INC | 09/11/1979 | 10/15/1980 |
| 79-0817-WW-CSS | BECKER/VALLEY WATER WORKS INC | 09/18/1979 | 10/15/1980 |
| 79-0821-WW-AIS | MARION WATER COMPANY | 09/20/1979 | 11/21/1979 |
| 79-0841-WW-COI | SENECA HILLS SERVICE COMPANY | 09/25/1979 | 05/14/1980 |
| 79-0890-WW-CSS | MAAS/VALLEY WATER WORKS INC | 10/09/1979 | 10/15/1980 |
| 79-0900-WW-ABN | OHIO WATER SERVICE COMPANY | 10/11/1979 | 12/27/1979 |
| 79-1092-WW-ATA | CAMPLANDS WATER COMPANY | 11/16/1979 | 03/04/1986 |
| 79-1263-WW-COI | LAKE BUCKHORN UTILITIES | 12/05/1979 | 05/19/1981 |
| 79-1264-WW-COI | LAKENGREN UTILITIES INCORPORATED | 12/05/1979 | 05/19/1981 |
| 79-1265-WW-COI | LORELEI UTILITIES INCORPORATED | 12/05/1979 | 05/19/1981 |
| 79-1266-WW-COI | SHAWNEE HILLS UTILITY COMPANY | 12/05/1979 | 05/19/1981 |
| 79-1343-WW-AIR | OHIO AMERICAN WATER COMPANY | 12/14/1979 | |
| 79-1404-WW-ATC | LAKE WHITE WATER WORKS | 12/26/1979 | 09/24/1980 |
| 79-1405-WW-AIS | LAKE WHITE WATER WORKS | 12/26/1979 | 09/24/1980 |
| 79-1406-WW-AEM | LAKE WHITE WATER WORKS | 12/26/1979 | 05/21/1980 |
| 79-1414-WW-AIR | LAKE WHITE WATER WORKS | 12/21/1979 | 05/21/1980 |