(1) It shall be required, prior to approval of a building permit for any structure containing or requiring on-site sewage disposal facilities, unless the structure is attached to an approved sewage disposal facility, that the applicant receive written approval of the Environmental Health Division of the Clallam County Department of Health and Human Services for such on-site sewage disposal facilities as may be necessary.

(2) It shall be required, prior to approval of a building permit for any structure containing or requiring potable water, that the applicant provides proof of potable water pursuant to RCW 19.27.097.