ON-SITE SEWAGE SYSTEMS
Septic Repair Permits • Installer List

The Environmental Health Unit of the Building and Planning Department administer the on-site sewage program in cooperation with the Health Department through the Rules and Regulation of the State Board of Health, Chapter 246-272A WAC.

Staff performs a wide variety of activities to carry out this regulatory oversight, including:

• plan reviews, site evaluations and final inspections of individual on-site sewage systems.

• technical assistance to home owners on maintenance and repair of existing systems.

The Environmental Health Unit oversees the:

• annual licensing of installers,

• and septic tank pumpers.

Staff investigates all complaints of failing septic systems.

Permit application forms are available for downloading on our Forms Page.  Site evaluations are done by a licensed engineer or on-site septic designer. After the site evaluation is completed, a copy of the evaluation, the septic system design and permit application, along with the appropriate fee will need to be submitted to our office.

Septic operations and maintenance

Click here for a list of licensed designers. installers, and pumpers.

Designers

Installers

Pumpers

Homeowner Assistance

Types of Wastewater Systems:

Washington State Department of Health provides information on the following systems.  Information is available in 'Word' and 'PDF' formats here.

• Alternating Drainfields
• Dosing Gravity Drainfield Systems
• Effluent Quality-Based Drainfields
• Glendon Bio-filters
• Gravelless Drainfields
• Holding Tank Sewage Systems
• Intermittent Sand Filter Systems
• Mound Systems
• Pressure Distribution Systems
• Proprietary Treatment Products
• Recirculating Gravel Filters
• Sand-Lined Trench Systems
• Stratified Sand Filters
• Subsurface Drip Systems
• Water Conserving Onsite Wastewater Treatment Systems

The State does not provide information on "rock and pipe systems" but they are still allowed under state law.