Sec. 9. "Clean Water Act" refers to: (1) 33 U.S.C. 1251 et seq., and laws supplemental and ancillary to 33 U.S.C. 1251 et seq.; and (2) regulations adopted under 33 U.S.C. 1251 et seq., and laws supplemental and ancillary to these regulations. As added by P.L.189-2018, SEC.25.