A. Construct, install or alter a sewage disposal system unless a permit has been issued therefor by the Snohomish health district health authority having jurisdiction over the matter; or

B. To design, construct, install or alter a sewage disposal system unless in possession of such current, valid certificate of competency as is required by the Snohomish health district; or

C. To cause or permit sewage to be carried through such sewage disposal system until final approval for use of such system has been granted by the Snohomish health district. (Ord. 323-74 § 2, 1974.)