| Case Number | Case Title | Open Date | Closed Date |
| 75-0030-WW-AEM | HARBOR HILLS SERVICE COMPANY | 01/13/1975 | 05/09/1975 |
| 75-0040-WW-CSS | GEORGE R DAVIS/HINES,GL | 01/10/1975 | 08/04/1976 |
| 75-0091-WW-AIR | SHEPARD HILLS WATER COMPANY | 02/13/1975 | 08/06/1976 |
| 75-0096-WW-AIR | OHIO WATER SERVICE COMPANY | 02/14/1975 | 10/20/1976 |
| 75-0147-WW-AIR | OHIO CITIES WATER COMPANY | 03/04/1975 | 09/15/1976 |
| 75-0199-WW-ACE | OHIO UTILITIES COMPANY | 03/25/1975 | 02/10/1976 |
| 75-0200-WW-AIR | HARBOR HILLS SERVICE COMPANY | 03/25/1975 | 09/01/1976 |
| 75-0239-WW-SLF | OHIO WATER SERVICE COMPANY | 04/08/1975 | 08/11/1976 |
| 75-0302-WW-AEM | ROCKY FORK WATER INCORPORATED | 04/22/1975 | 08/27/1975 |
| 75-0303-WW-AEM | HIGHLAND HOLIDAY WATER COMPANY | 04/22/1975 | 08/27/1975 |
| 75-0316-WW-ACE | ROLLING HILLS WATER CO INCORPORATED | 05/01/1975 | 12/07/1977 |
| 75-0335-WW-CSS | HEMMINGER/HIGHLAND HOLIDAY WATER C | 05/08/1975 | 02/27/1976 |
| 75-0347-WW-ARJ | GREGORY PARK WATER COMPANY | 05/13/1975 | 05/30/1975 |
| 75-0365-WW-CAR | SCOTT PUBLIC WATER UTILS,OAKEY SCOT | 05/15/1975 | 06/18/1976 |
| 75-0393-WW-AAC | JPARKS,JAMES R DBA PARK'S WATER CO | 05/28/1975 | 02/17/1976 |
| 75-0405-WW-AIR | OHIO WATER SERVICE COMPANY | 06/03/1975 | 11/08/1976 |
| 75-0457-WW-ARJ | CONSUMERS WATER COMPANY | 06/17/1975 | 07/14/1975 |
| 75-0509-WW-ACE | LAKE UTILITY COMPANY | 07/09/1975 | 06/28/1977 |
| 75-0618-WW-AIR | MARION WATER COMPANY | 08/13/1975 | 10/27/1976 |
| 75-0621-WW-ABN | OHIO WATER SERVICE COMPANY | 08/11/1975 | 02/23/1976 |
| 75-0633-WW-ARJ | HIGHLAND HOLIDAY WATER COMPANY | 08/15/1975 | 02/23/1976 |
| 75-0634-WW-ARJ | ROCKY FORK WATER INCORPORATED | 08/15/1975 | 10/15/1975 |
| 75-0659-WW-COI | LAWRENCE COUNTY WATER COMPANY | 08/27/1975 | 06/16/1976 |
| 75-0729-WW-ATA | OHIO WATER SERVICE COMPANY | 09/23/1975 | 07/01/1976 |
| 75-0741-WW-AIR | OHIO SUBURBAN WATER COMPANY | 09/25/1975 | 01/18/1977 |
| 75-0760-WW-AEM | LESOURDSVILLE WATER COMPANY | 10/01/1975 | 02/17/1976 |
| 75-0778-WW-AAC | ARROWHEAD HILLS UTILITIES CORP ON | 10/10/1975 | 05/27/1976 |
| 75-0782-WW-AIS | CHOCTAW UTILITIES INCORPORATED TED | 10/09/1975 | 11/12/1975 |
| 75-0792-WW-ABN | HINES,GEORGE H | 10/10/1975 | 08/04/1976 |
| 75-0808-WW-AIR | TOMAHAWK UTILITIES INC TED | 10/17/1975 | 02/09/1977 |
| 75-1061-WW-AIR | LESOURDSVILLE WATER CO INCORPORATED | 11/19/1975 | 04/13/1977 |
| 75-9096-WW-AIR | OHIO WATER SERVICE COMPANY | 02/14/1975 | 08/27/1975 |
| 75-9405-WW-AIR | OHIO WATER SERVICE COMPANY | 06/03/1975 | 09/17/1975 |