The Public Works Department operates, maintains and manages water and sewer utility services outside the City of Ketchikan and the City of Saxman. Wastewater treatment, collection, and sewage disposal is performed under the Borough's nonareawide sewage disposal powers. The South Tongass Water System is operated and maintained by the Public Works Department on behalf of the South Tongass Service Area. More information on connecting to the Borough's water and wastewater systems can be found at: Utility Hookup Permit

Per ADEC requirements, the Ketchikan Gateway Borough also has available its 2022 Consumer Confidence Report.