| Case Number | Case Title | Open Date | Closed Date |
| 74-0011-WW-AIR | LEXVIEW UTILITY COMPANY | 01/07/1974 | 02/23/1976 |
| 74-0093-WW-ATA | OHIO UTILITIES COMPANY | 02/14/1974 | 04/01/1974 |
| 74-0231-WW-COI | AVAILABLE FOR USE CHARGES | 04/19/1974 | 05/25/1976 |
| 74-0309-WW-ORD | ADMINISTRATIVE ORDER 221 | 06/18/1974 | 08/20/1976 |
| 74-0318-WW-AIR | BURR OAK SERVICE COMPANY | 05/24/1974 | 03/18/1976 |
| 74-0322-WW-AIR | OHIO CITIES WATER COMPANY | 05/29/1974 | 03/13/1975 |
| 74-0323-WW-AIR | MARION WATER COMPANY | 05/29/1974 | 11/25/1975 |
| 74-0326-WW-ACE | MILLBROOK WATER COMPANY | 05/30/1974 | 01/22/1976 |
| 74-0399-WW-AIR | VALLEY WATER WORKS IINC | 07/03/1974 | 02/10/1976 |
| 74-0462-WW-CSS | ANNE GESKY/SENECA UTILS INC | 07/22/1974 | 04/08/1976 |
| 74-0471-WW-ATA | CINNAMON LAKE UTILITY COMPANY | 07/26/1974 | 06/13/1975 |
| 74-0563-WW-ATC | OHIO UTILITIES COMPANY | 08/26/1974 | 07/14/1975 |
| 74-0569-WW-ACN | MOHICAN ESTATES WATER COMPANY | 08/20/1974 | 03/16/1976 |
| 74-0577-WW-ACE | ARROWHEAD HILLS UTILITIES CORP ON | 08/29/1974 | 10/03/2023 |
| 74-0624-WW-AIR | BRIMFIELD WATER COMPANY | 09/16/1974 | 03/18/1976 |
| 74-0692-WW-AIR | CHOCTAW UTILITIES INCORPORATED TED | 10/15/1974 | 04/30/1976 |
| 74-0850-WW-AIR | MADISON WATERWORKS INCORPORATED | 12/17/1974 | 08/20/1976 |
| 74-0870-WW-AEM | TOMAHAWK UTILITIES INC TED | 12/30/1974 | 06/06/1975 |
| 74-0885-WW-AIR | MASURY WATER COMPANY | 12/31/1974 | 08/04/1976 |