Washington 2025-2026 Regular Session Status: Enacted Bipartisan · 9 D · 2 R cosponsors

SB 5033 — Concerning sampling or testing of biosolids for PFAS chemicals.

Last action — Effective date 7/27/2025.

  1. ✓
    Introduced
  2. ✓
    In Committee
  3. ✓
    Passed Senate
  4. ✓
    Passed House
  5. ✓
    To Executive
  6. 6
    Enacted

This bill has been enacted into law. Introduced December 13, 2024. Enacted.

Signed by Governor Bob Ferguson (Democratic) on May 17, 2025.

Prognosis

Likely to advance 98% · high confidence

Where this bill stands today.

Odds of enactment

High

How often bills like it became law.

  • Enacted

    Current position in the legislative process.

  • 11 sponsors

    1 primary, 10 co-sponsors signed on.

  • Bipartisan support

    Sponsored across 2 parties (9 D · 2 R) — cross-party backing.

  • Cleared a recorded vote

    Passed 3 recorded votes so far.

Prognosis reads this bill's own signals — stage, sponsorship breadth, committee status, recorded votes and cross-state momentum. Odds come from a model trained on which bills have become law.

Bill Text

What changed in the latest version

31 added · 32 removed

Plain-language change summary

The revised version of SB 5033 makes several key changes to the timeline and consultation process for testing biosolids for PFAS chemicals. Specifically, the deadline for the department to establish PFAS testing has been moved up from July 1, 2028, to July 1, 2027, and the analysis completion date is now set for July 1, 2028, instead of July 1, 2029. Additionally, the list of stakeholders involved in the consultation process has been simplified, now focusing on representatives from the farming community, toxicologists, and utilities that produce soil amendments, rather than including local governments and other entities. These changes are important as they aim to expedite the implementation of safety measures regarding PFAS chemicals, which can have serious health and environmental impacts.

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S-1602.1 SUBSTITUTE SENATE BILL 5033 State of Washington 69th Legislature 2025 Regular Session By Senate Environment, Energy & Technology (originally sponsored by Senators J.
S-0014.3 SENATE BILL 5033 State of Washington 69th Legislature 2025 Regular Session By Senators J.
Wilson, Lovelett, Bateman, Chapman, Dhingra, Dozier, Krishnadasan, Nobles, Saldaña, Trudeau, and Wellman) READ FIRST TIME 02/19/25.
Wilson, Lovelett, Bateman, Chapman, Dhingra, Dozier, Krishnadasan, Nobles, Saldaña, Trudeau, and Wellman Prefiled 12/13/24.
Read first time 01/13/25.
Referred to Committee on Local Government.
and adding a new section to chapter 70A.226 RCW.
and adding new sections to chapter 70A.226 RCW.
1 SSB 5033 (2) The legislature declares that a program shall be established to manage municipal sewage sludge and that the program shall, to the maximum extent possible, ensure that municipal sewage sludge is reused as a beneficial commodity and is managed in a manner that minimizes risk to public health and the environment.
1 SB 5033 (2) The legislature declares that a program shall be established to manage municipal sewage sludge and that the program shall, to the maximum extent possible, ensure that municipal sewage sludge is reused as a beneficial commodity and is managed in a manner that minimizes risk to public health and the environment.
2 SSB 5033 federal rules, 40 C.F.R.
2 SB 5033 federal rules, 40 C.F.R.
(6)(a) By July 1, 2028, the department must establish PFAS chemical sampling or testing requirements for biosolids regulated under this chapter.
(6)(a) By July 1, 2027, the department must establish PFAS chemical sampling or testing requirements for biosolids regulated under this chapter.
(b) By July 1, 2029, the department must complete an analysis of the levels of PFAS chemicals in biosolids produced in Washington state.
(b) By July 1, 2028, the department must complete an analysis of the levels of PFAS chemicals in biosolids produced in Washington state.
(c) By December 1, 2029, the department must submit a report to the appropriate committees of the legislature and the public with a summary of the analysis required under (b) of this subsection and recommendations on how to proceed based on the analysis.
(c) By December 1, 2028, the department must submit a report to the appropriate committees of the legislature and the public with a summary of the analysis required under (b) of this subsection and recommendations on how to proceed based on the analysis.
3 SSB 5033 chapter.
3 SB 5033 chapter.
(1) Before adopting or amending any rules relating to sampling or testing biosolids for PFAS chemicals, the department must convene and consult with an advisory committee of representatives from:
(1) Before adopting or amending any rules relating to sampling or testing biosolids for PFAS chemicals, the department must consult with an advisory committee of representatives from the farming community, toxicologists, utilities that produce soil amendments, experts, interested parties, and other similar stakeholders, convened by the department.
(a) The farming community;
The purpose of consultation required under this section is to ensure that the department is soliciting and receiving sufficient input on requirements and standards for sampling or testing biosolids for PFAS chemicals.
(b) Toxicologists;
(c) Utilities that produce soil amendments, including special purpose districts, municipal utility providers, and public utility districts;
(d) Local governments;
4 SSB 5033 (e) Experts;
4 SB 5033 (2) For the purposes of this section, "biosolids" do not include septic tank sludge, also known as septage.
(f) Interested parties;
NEW SECTION.
and (g) Other similar stakeholders.
Sec.
(2) The purpose of consultation required under this section is to ensure that the department is soliciting and receiving sufficient input on requirements and standards for sampling or testing biosolids for PFAS chemicals.
7.
(3) For the purposes of this section, "biosolids" do not include septic tank sludge, also known as septage.
A new section is added to chapter 70A.226 RCW to read as follows:
Nothing in this act affects requirements imposed on a discharger by a national pollutant discharge elimination system permit or restricts a local government from addressing the contamination of biosolids by PFAS chemicals.
5 SSB 5033
5 SB 5033
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Action History

  1. Effective date 7/27/2025.

  2. Chapter 317, 2025 Laws.

  3. Governor signed.

  4. Delivered to Governor.

  5. Speaker signed.

  6. President signed.

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

  8. Senate concurred in House amendments.

  9. Third reading, passed; yeas, 95; nays, 0; absent, 0; excused, 3.

  10. Rules suspended. Placed on Third Reading.

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

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

  13. Referred to Rules 2 Review.

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

  15. Executive action taken in the House Committee on Appropriations at 9:00 AM.

  16. Public hearing in the House Committee on Appropriations at 1:30 PM.

  17. Referred to Appropriations.

  18. Minority; without recommendation.

  19. ENVI - Majority; do pass.

  20. Executive action taken in the House Committee on Environment & Energy at 1:30 PM.

  21. Public hearing in the House Committee on Environment & Energy at 1:30 PM.

  22. First reading, referred to Environment & Energy.

  23. Third reading, passed; yeas, 49; nays, 0; absent, 0; excused, 0.

  24. Rules suspended. Placed on Third Reading.

  25. 1st substitute bill substituted (ENET 25).

  26. Placed on second reading by Rules Committee.

  27. Passed to Rules Committee for second reading.

  28. WM - Majority; do pass 1st substitute bill proposed by Environment, Energy & Technology.

  29. Executive action taken in the Senate Committee on Ways & Means at 1:30 PM.

  30. Public hearing in the Senate Committee on Ways & Means at 1:30 PM.

  31. Referred to Ways & Means.

  32. And refer to Ways & Means.

  33. Minority; without recommendation.

  34. ENET - Majority; 1st substitute bill be substituted, do pass.

  35. Executive action taken in the Senate Committee on Environment, Energy & Technology at 1:30 PM.

  36. Public hearing in the Senate Committee on Environment, Energy & Technology at 10:30 AM.

  37. Referred to Environment, Energy & Technology.

  38. And refer to Environment, Energy & Technology.

  39. LGV - Majority; without recommendation.

  40. Executive action taken in the Senate Committee on Local Government at 1:30 PM.

  41. First reading, referred to Local Government.

  42. Prefiled for introduction.

Sponsors

Sponsorship breakdown

Export CSV (upgrade) →

1 sponsors · 10 co-sponsors · 140 not signed on

Sponsors (1)

Co-sponsors (10)

Not signed on (140)

140 members have not signed on to this bill.

Show all 140 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Votes

Final Passage as Amended by the House (#12)

Passed 49 Yea · 0 Nay
Party YeaNayPresentNot Voting
Democrat 30000
Republican 19000
Total 49000
% of votes cast 100%0%0%0%
How each member voted (49)
Member Party Vote
Adrian Cortes Democrat Yea
Annette Cleveland Democrat Yea
Bill Ramos Democrat Yea
Bob Hasegawa Democrat Yea
Claire Wilson Democrat Yea
Claudia Kauffman Democrat Yea
Deborah Krishnadasan Democrat Yea
Derek Stanford Democrat Yea
Drew Hansen Democrat Yea
Emily Alvarado Democrat Yea
Jamie Pedersen Democrat Yea
Javier Valdez Democrat Yea
Jesse Salomon Democrat Yea
Jessica Bateman Democrat Yea
John Lovick Democrat Yea
June Robinson Democrat Yea
Lisa Wellman Democrat Yea
Liz Lovelett Democrat Yea
Manka Dhingra Democrat Yea
Marcus Riccelli Democrat Yea
Marko Liias Democrat Yea
Mike Chapman Democrat Yea
Noel Frame Democrat Yea
Rebecca Saldaña Democrat Yea
Sharon Shewmake Democrat Yea
Steve Conway Democrat Yea
T'wina Nobles Democrat Yea
Tina Orwall Democrat Yea
Vandana Slatter Democrat Yea
Yasmin Trudeau Democrat Yea
Chris Gildon Republican Yea
Curtis King Republican Yea
Drew MacEwen Republican Yea
Jeff Holy Republican Yea
Jeff Wilson Republican Yea
Jim McCune Republican Yea
John Braun Republican Yea
Judy Warnick Republican Yea
Keith Goehner Republican Yea
Keith Wagoner Republican Yea
Leonard Christian Republican Yea
Mark Schoesler Republican Yea
Matt Boehnke Republican Yea
Nikki Torres Republican Yea
Paul Harris Republican Yea
Perry Dozier Republican Yea
Phil Fortunato Republican Yea
Ron Muzzall Republican Yea
Shelly Short Republican Yea

Official roll call →

Final Passage as Amended by the House (#24)

Passed 95 Yea · 0 Nay · 3 Other
Party YeaNayPresentNot Voting
Republican 36002
Democrat 59001
Total 95003
% of votes cast 97%0%0%3%
How each member voted (98)
Member Party Vote
Adam Bernbaum Democrat Yea
Adison Richards Democrat Yea
Adrian Cortes Democrat Yea
Alex Ramel Democrat Yea
Alicia Rule Democrat Yea
Amy Walen Democrat Yea
April Berg Democrat Yea
Beth Doglio Democrat Yea
Brandy Donaghy Democrat Yea
Brianna Thomas Democrat Yea
Chipalo Street Democrat Yea
Chris Stearns Democrat Yea
Cindy Ryu Democrat Yea
Clyde Shavers Democrat Yea
Dan Bronoske Democrat Yea
Darya Farivar Democrat Yea
Dave Paul Democrat Yea
David Hackney Democrat Yea
Davina Duerr Democrat Yea
Debra Entenman Democrat Yea
Debra Lekanoff Democrat Not Voting
Edwin Obras Democrat Yea
Gerry Pollet Democrat Yea
Greg Nance Democrat Yea
Jake Fey Democrat Yea
Jamila Taylor Democrat Yea
Janice Zahn Democrat Yea
Javier Valdez Democrat Yea
Joe Fitzgibbon Democrat Yea
Joe Timmons Democrat Yea
Julia Reed Democrat Yea
Kristine Reeves Democrat Yea
Larry Springer Democrat Yea
Lauren Davis Democrat Yea
Laurie Jinkins Democrat Yea
Lillian Ortiz-Self Democrat Yea
Lisa Callan Democrat Yea
Lisa Parshley Democrat Yea
Liz Berry Democrat Yea
Mari Leavitt Democrat Yea
Mary Fosse Democrat Yea
Melanie Morgan Democrat Yea
Mia Gregerson Democrat Yea
Monica Jurado Stonier Democrat Yea
My-Linh Thai Democrat Yea
Natasha Hill Democrat Yea
Nicole Macri Democrat Yea
Osman Salahuddin Democrat Yea
Roger Goodman Democrat Yea
Sharlett Mena Democrat Yea
Sharon Tomiko Santos Democrat Yea
Sharon Wylie Democrat Yea
Shaun Scott Democrat Yea
Shelley Kloba Democrat Yea
Steve Bergquist Democrat Yea
Steve Tharinger Democrat Yea
Strom Peterson Democrat Yea
Tarra Simmons Democrat Yea
Timm Ormsby Democrat Yea
Victoria Hunt Democrat Yea
Alex Ybarra Republican Yea
Andrew Barkis Republican Yea
Andrew Engell Republican Yea
April Connors Republican Yea
Brian Burnett Republican Yea
Carolyn Eslick Republican Yea
Chris Corry Republican Yea
Cyndy Jacobsen Republican Yea
Dan Griffey Republican Yea
David Stuebe Republican Yea
Deb Manjarrez Republican Yea
Drew Stokesbary Republican Yea
Ed Orcutt Republican Yea
Gloria Mendoza Republican Not Voting
Hunter Abell Republican Yea
Jenny Graham Republican Yea
Jeremie Dufault Republican Yea
Jim Walsh Republican Yea
Joe Schmick Republican Yea
Joel McEntire Republican Not Voting
John Ley Republican Yea
Joshua Penner Republican Yea
Kevin Waters Republican Yea
Mark Klicker Republican Yea
Mary Dye Republican Yea
Matt Marshall Republican Yea
Michael Keaton Republican Yea
Mike Steele Republican Yea
Mike Volz Republican Yea
Peter Abbarno Republican Yea
Rob Chase Republican Yea
Sam Low Republican Yea
Skyler Rude Republican Yea
Stephanie Barnard Republican Yea
Stephanie McClintock Republican Yea
Suzanne Schmidt Republican Yea
Tom Dent Republican Yea
Travis Couture Republican Yea

Official roll call →

3rd Reading & Final Passage (#5)

Passed 49 Yea · 0 Nay
Party YeaNayPresentNot Voting
Democrat 30000
Republican 19000
Total 49000
% of votes cast 100%0%0%0%
How each member voted (49)
Member Party Vote
Adrian Cortes Democrat Yea
Annette Cleveland Democrat Yea
Bill Ramos Democrat Yea
Bob Hasegawa Democrat Yea
Claire Wilson Democrat Yea
Claudia Kauffman Democrat Yea
Deborah Krishnadasan Democrat Yea
Derek Stanford Democrat Yea
Drew Hansen Democrat Yea
Emily Alvarado Democrat Yea
Jamie Pedersen Democrat Yea
Javier Valdez Democrat Yea
Jesse Salomon Democrat Yea
Jessica Bateman Democrat Yea
John Lovick Democrat Yea
June Robinson Democrat Yea
Lisa Wellman Democrat Yea
Liz Lovelett Democrat Yea
Manka Dhingra Democrat Yea
Marcus Riccelli Democrat Yea
Marko Liias Democrat Yea
Mike Chapman Democrat Yea
Noel Frame Democrat Yea
Rebecca Saldaña Democrat Yea
Sharon Shewmake Democrat Yea
Steve Conway Democrat Yea
T'wina Nobles Democrat Yea
Tina Orwall Democrat Yea
Vandana Slatter Democrat Yea
Yasmin Trudeau Democrat Yea
Chris Gildon Republican Yea
Curtis King Republican Yea
Drew MacEwen Republican Yea
Jeff Holy Republican Yea
Jeff Wilson Republican Yea
Jim McCune Republican Yea
John Braun Republican Yea
Judy Warnick Republican Yea
Keith Goehner Republican Yea
Keith Wagoner Republican Yea
Leonard Christian Republican Yea
Mark Schoesler Republican Yea
Matt Boehnke Republican Yea
Nikki Torres Republican Yea
Paul Harris Republican Yea
Perry Dozier Republican Yea
Phil Fortunato Republican Yea
Ron Muzzall Republican Yea
Shelly Short Republican Yea

Official roll call →

Subjects

environment health-insurance
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Frequently asked questions

Who sponsors SB 5033?
SB 5033 is sponsored by Lisa Wellman (Democrat), Yasmin Trudeau (Democrat), Rebecca Saldaña (Democrat), T'wina Nobles (Democrat), Deborah Krishnadasan (Democrat), Perry Dozier (Republican), Manka Dhingra (Democrat), Mike Chapman (Democrat), Jessica Bateman (Democrat), Liz Lovelett (Democrat), and Jeff Wilson (Republican).
What is the current status of SB 5033?
This bill has been enacted into law. Introduced December 13, 2024. Enacted.
Where can I track SB 5033?
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