Pursuant to the provisions of RCW 76.43.020 et seq., the Snohomish health district, created by a resolution of the board of county commissioners effective January 1, 1959, shall exercise all the powers and perform all the public health duties by law vested in the city. Said health district is authorized by RCW 70.05.060 to enact such local rules and regulations as are necessary in order to preserve, promote and improve the public health. (Ord. 278-74 Art. I § 1, 1974.)