The county council finds that the health, safety and welfare of the residents and taxpayers of the county are beneficially served through participation by the county in an areawide wastewater treatment management planning agency to be established under the provisions of section 208 Federal Water Pollution Control Act Amendments of 1972 (P.L. 92-500); further, the county council finds that authority exists to provide for county participation in this program through the enactment of this amendment. (1975 L.M.C., ch. 25, § 1.)