This Article shall be construed as providing supplemental authority in addition to the powers of the North Carolina Utilities Commission under Chapter 62 of the North Carolina General Statutes, the North Carolina Environmental Management Commission under Articles 21 and 38 of Chapter 143 of the North Carolina General Statutes, and the North Carolina Department of Environmental Quality under General Statutes Chapter 130A, and any other provisions of law concerning local and regional sewage disposal. (1971, c. 870, s. 1; 1973, c. 476, s. 128; c. 1262, s. 23; 1997-443, s. 11A.116; 2015-241, s. 14.30(u).)