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WashingtonSB 62912025-2026 Regular SessionSenate

Concerning on-site wastewater treatment system inspections.

Sponsored By: Liz Lovelett (Democratic)

Signed by Governor

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Bill Overview

Analyzed Economic Effects

1 provisions identified: 1 benefits, 0 costs, 0 mixed.

Longer supervised practice for wastewater inspectors

Beginning June 11, 2026, Washington local health boards can allow longer supervised work by noncertified staff. These staff can review on-site wastewater system designs or inspect systems under a certified person's supervision. The allowed period increases from two years to no more than four years after hire. The law does not add state funding, taxes, or fees.

Sponsors & Cosponsors

Sponsor

  • Liz Lovelett

    Democratic • Senate

Cosponsors

  • Sharon Shewmake

    Democratic • Senate

Roll Call Votes

All Roll Calls

Yes: 190 • No: 0

Senate vote • 3/10/2026

Final Passage as Amended by the House

Yes: 49 • No: 0

House vote • 3/3/2026

Final Passage as Amended by the House

Yes: 93 • No: 0 • Other: 5

Senate vote • 2/10/2026

3rd Reading & Final Passage

Yes: 48 • No: 0 • Other: 1

Actions Timeline

  1. Effective date 6/11/2026.

    3/24/2026Senate

  2. Chapter 210, 2026 Laws.

    3/24/2026Senate

  3. Governor signed.

    3/24/2026legislature

  4. Delivered to Governor.

    3/12/2026legislature

  5. Speaker signed.

    3/11/2026legislature

  6. President signed.

    3/11/2026legislature

  7. Passed final passage; yeas, 49; nays, 0; absent, 0; excused, 0.

    3/10/2026Senate

  8. Senate concurred in House amendments.

    3/10/2026House

  9. Third reading, passed; yeas, 93; nays, 0; absent, 0; excused, 5.

    3/3/2026Senate

  10. Rules suspended. Placed on Third Reading.

    3/3/2026Senate

  11. Committee amendment(s) adopted with no other amendments.

    3/3/2026Senate

  12. Rules Committee relieved of further consideration. Placed on second reading.

    3/2/2026Senate

  13. Referred to Rules 2 Review.

    2/25/2026Senate

  14. ENVI - Majority; do pass with amendment(s).

    2/24/2026Senate

  15. ENVI - Executive action taken by committee.

    2/24/2026Senate

  16. First reading, referred to Environment & Energy.

    2/12/2026Senate

  17. Third reading, passed; yeas, 48; nays, 0; absent, 0; excused, 1.

    2/10/2026Senate

  18. Rules suspended. Placed on Third Reading.

    2/10/2026Senate

  19. Placed on second reading consent calendar.

    2/6/2026Senate

  20. Passed to Rules Committee for second reading.

    2/3/2026Senate

  21. LGV - Majority; do pass.

    2/2/2026Senate

  22. First reading, referred to Local Government.

    1/22/2026Senate

  23. Introduced

    1/22/2026Senate

Bill Text

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