A. The Board of Health shall establish the design criteria for the submittal of all on-site sewage disposal applications.

B. On-site sewage disposal systems shall be designed by a sewage disposal system designer, certified as provided for in Section 8.36.070 of this Chapter and the Rules and Regulations as adopted by the Board of Health.

C. The Board of Health shall establish guidelines for design application renewals and application extensions.

D. Design for an on-site sewage disposal system shall be made to the Health Officer who must deny the application if the design is not adequate for safe and healthful operation of the system and/or does not meet the requirements of this Chapter, the Rules and Regulations of the Board of Health, and WAC 248-96.

E. Design of on-site sewage disposal systems shall be such as to accommodate all sewage from the building and premises to be served.