This part is intended to aid the state and county in the execution of its duties by providing an appropriate and independent instrumentality of the state and of the county with full and adequate powers to fulfill its functions. It is the further legislative intent that the Lamar County Water Coordinating and Fire Prevention Authority develop a master plan of operation for the water authority for the initial eight years of operation in consultation with all existing water authorities in and adjoining Lamar County and any county or local governments for the purpose of bringing about industrial development and economic expansion in the county as well as ensuring the health and safety of all citizens.