Cases with Industry Code "ST" SEWAGE TREATMENT, Purpose Code "TRF" Commission approved final tariffs, and Status "CL" CLOSED (3 cases) Case NumberCase TitleOpen DateClosed Date 89-7007-ST-TRFCOPLEY SQUARE SEWER CO.07/25/198910/03/2023 89-7046-ST-TRFUTILITY OPERATORS CORPORATION12/01/198910/03/2023 89-7051-ST-TRFWISECARVER ENVIRONMENTAL SERVICES, INC.01/29/199910/03/2023