Skip to main content
Loading…
This section is included in your selections.

All existing buildings or structures to which additions, alterations, or improvements are made after the effective date of these policies and procedures shall be served by an on-site sewage disposal system complying with Chapter 246-272A WAC; provided, however, the Health Officer may waive compliance with these requirements for existing buildings or structures when additions, alterations, repairs, or improvements to the building or structure are compatible with and do not adversely impact the existing on-site sewage disposal system and potential reserve drainfield area, the system is adequate to treat the on-site sewage expected to be generated over the remaining useful life of the structure, and the continued operation of the system will not adversely affect public health, surface water quality, or groundwater quality.

A. Application for approval by the Health Officer of an existing on-site sewage disposal system serving an existing building undergoing addition, alteration, repair, or improvement shall be made as provided in this section. The application shall be made on forms provided by the Health Officer.

B. The Health Officer shall review all applications to determine compatibility of the proposed addition, alteration, repair, or improvement with the existing on-site sewage disposal system.

1. Factors that must be considered shall include, but not be limited to, the following:

a. Location of septic tank and drainfield in relation to existing foundation and proposed improvements;

b. Size of drainfield in relation to proposed use;

c. Condition of existing on-site sewage disposal system;

d. Useful anticipated life of the existing on-site sewage disposal system;

e. Potential for reconstruction, replacement, and/or repair of the existing on-site sewage disposal system;

f. Ultimate purpose of the remodeling;

g. Approved source of water;

h. Potential use of the structure after remodeling.

2. The Health Officer may require the applicant to furnish such exhibits and information as may be deemed relevant and necessary to the application.

C. After reviewing the application, the Health Officer shall notify the building authority and applicant that either:

1. The application is approved; or

2. Correction is required to accommodate the application’s approval; or

3. The application is disapproved and the reasons therefor. [Res. 08-10. Revised and reapproved by DOH 12/15/94. Res. 93-32, Eff. 11/09/93. Res. 87-35, Eff. 07/21/87. Prior code § 8.1.2(IV)].