Skip to main content
close

KingCounty.gov is an official government website. Here's how you knowexpand_moreexpand_less

account_balance

Official government websites use .gov

Website addresses ending in .gov belong to official government organizations in the United States.

lock

Secure .gov websites use HTTPS

A lock lock or https:// means you've safely connected to the .gov website. Only share sensitive information on official, secure websites.

King County Logo
jun.
24

On-site sewage/septic health codes

Find information related to health codes from King County and Washington State Boards of Health.

Have a septic question?

Have a technical septic question?

Call the Septic Expert at 206-477-8177

Find a Professional

Codes from King County and Washington State Boards of Health

King County Board of Health Codes

  • See Title 12 - Public Water Systems Rules & Regulations
  • See Title 13 - On-site Sewage Code

Washington Board of Health Codes & Publications / Washington Administrative Code (WAC):

Wastewater Forms and Publications (State Dept. of Health):

Includes information regarding:

  • Recommended Standards and Guidance (RS&G's) for Performance, Application, Design, and Operation and Maintenance (Alternative On-Site Wastewater Systems)
  • List of Approved Systems and Products
  • Link to Rule Development Committee homepage

Related Topics

Maintaining your system

Learn more about proper sewage/septic system care.

Find professionals

Find a list of sewage/septic system professionals.

System inspections

Learn the benefits or regular inspections and what the process looks like.

Search records

Search the online database or other resources for official septic records.

Have a septic question?

Have a technical septic question?

Call the Septic Expert at 206-477-8177

Find a Professional

expand_less