Amends GS 159G-42 by adding that before disbursement of a loan or grant to a recipient that is engaged in regionalization or initiating regionalization with the loan or grant, the Department of Environmental Quality (DEQ) must ensure that the recipient has one of the following with respect to each local government unit purchasing treated or untreated water from the recipient at the time of the disbursement of the loan or grant or anticipated to be served within the 30 years following the disbursement of the loan or grant: (1) a written agreement approved by the recipient's governing board and the local government's governing board stating the current rates of purchase and any anticipated increases over the term of the agreement or (2) a resolution approved by the governing board of the purchasing local government unit stating the local government unit waives its option to establish such a written agreement. Provides for requesting assistance from the Local Government Commission in resolving disputes that arise when developing the agreement. Prohibits disbursing any loan or grant to either local government unit until a dispute is resolved to the satisfaction of the Local Government Commission.