Rules and regulations of the Washington State Department of Health regarding public water supplies, entitled “Cross-Connection Control,” WAC 246-290-490, as they presently exist and as they may, from time to time, be amended, are hereby adopted and incorporated herein by this reference as if set forth in full. As required by RCW 35A.12.140, a copy of WAC 246-290-490 has been filed with the city clerk for review by the public. (Ord. 2090 § 1 (Exh. A), 2012; Ord. 1634 § 1, 1996).