The utility authority is responsible for providing safe, adequate water for a fee to those houses, businesses, and institutions connected to the main lines of the YPUD water system. The utility authority responsibility for maintenance will include water sources, storage tanks, controls, mainlines, valves and hydrants, and service lines to the curb stops only. The service line from the curb stop to the house and interior house plumbing are the responsibility of the customer. The individual household water meters are owned by the utility authority and it is the responsibility of the utility district to maintain the meters. The water systems shall be managed such that the regulatory requirements and standards of the Federal Safe Drinking Water Act, as established by the Environmental Protection Agency, are satisfied. The utility authority shall maintain an up-to-date list of those water systems that are owned and/or operated by the authority.