Cases with Industry Code "WS" WATER & SEWER, Purpose Code "ATA" Application for tariff approval, and Status "OPEN" OPEN (2 cases) Case NumberCase TitleOpen DateClosed Date 10-0980-WS-ATAOHIO AMERICAN WATER COMPANY07/15/2010 23-0176-WS-ATAIn the Matter of the Joint Application of Aqua Ohio, Inc. and Aqua Ohio Wastewater, Inc. to Amend Tariff 03/06/2023