On-Site Liquid Waste Program "SEPTIC"
Attention: Realtors and On-Site Septic Professionals In January 2018, the State Board of Health directed the department to begin the process of revising the On-site Sewage System Rule, Chapter 246-272A WAC. The department concluded rule revision in late 2023 and reported to the State Board of Health in January 2024. CR-103P - WAC 246-272A.pdf |
Proper maintenance of septic systems is important to avoid system failure. In addition to reference on our Floods & Mold or Environmental Health: Liquid Waste reference, here are links to helpful fact sheets:
- Properly Managing Your Septic Tank System (WSU Cooperative)
- Septic Systems -- What to Do After the Flood (English / EPA)
- Septic System Maintenance and Operation Guide
Installers of sewage disposal systems are annually permitted by Public Health to ensure proper installation, replacement, alteration, repair or extension of an on-site sewage (OSS) disposal system. The permitting process includes an OSS Permit Application, process fee and other applicable requirements. Not sure which application you need? Review our On-Site Sewage Disposal / Sewage System process comparison table, or call us at (509) 422-7140.
2024