Bill

On-site wastewater systems

Concerning on-site wastewater treatment system inspections.

Sponsors

Senator LovelettPrimary

Senator ShewmakeSecondary

Official bill summary on app.leg.wa.gov →

Current status: Effective date 6/11/2026.

1. Mar 24, 2026
   Effective date 6/11/2026.
2. Mar 24, 2026
   Chapter 210, 2026 Laws.
3. Mar 24, 2026
   Governor signed.
4. Mar 12, 2026
   Delivered to Governor.
5. Mar 11, 2026
   Speaker signed.
6. Mar 11, 2026
   President signed.
7. Mar 3, 2026
   Third reading, passed; yeas, 93; nays, 0; absent, 0; excused, 5.
8. Feb 12, 2026
   First reading, referred to Environment & Energy.
9. Feb 10, 2026
   Third reading, passed; yeas, 48; nays, 0; absent, 0; excused, 1.
10. Jan 22, 2026
    First reading, referred to Local Government.

Hearings