---
type: "Bill"
title: "Improving Washington's solid waste management outcomes."
description: "Improving Washington's solid waste management outcomes."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2025-2026"
identifier: "SB 5284"
citation: "Washington SB 5284 (2025-2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Lovelett"]
version_count: 5
action_count: 44
vote_count: 22
first_action: "2025-01-15"
last_action: "2025-05-17"
source: "openstates"
source_identifier: "ocd-bill/f3810cc1-5e35-49c5-8596-9253fa3bd5f3"
source_url: "https://app.leg.wa.gov/billsummary/?BillNumber=5284&Year=2025&Initiative=false"
source_hash: "90bbfd49ec90b2f9ac7bd7dc4a8afa6e0ee6f077c2cfba166a9fa42831dbb244"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-wa"]
---

# Washington SB 5284 (2025-2026) — Improving Washington's solid waste management outcomes.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/Senate%20Bills/5284.htm)
2. **Engrossed Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/Senate%20Bills/5284-S2.E.htm)
3. **Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/Senate%20Bills/5284-S2.htm)
4. **Second Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/Senate%20Passed%20Legislature/5284-S2.PL.htm)
5. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/Senate%20Bills/5284-S.htm)

## Votes

- 1101 Dye Pg 2 Ln 9 (#31) — **40–56** (fail) · lower
- 1108 Engell Pg 13 Ln 37 (#35) — **40–56** (fail) · lower
- 1105 Ley Pg 21 Ln 4 (#38) — **40–56** (fail) · lower
- 1179 Couture Pg 1 Ln 3 (#28) — **40–56** (fail) · lower
- 1181 Couture Pg 1 Ln 3 (#30) — **41–55** (fail) · lower
- 1183 Couture Pg 3 Ln 39 (#32) — **40–56** (fail) · lower
- 1104 Barnard Pg 53 Ln 33 (#42) — **40–55** (fail) · lower
- 1107 Dufault Pg 57 Ln 37 (#43) — **41–55** (fail) · lower
- 1103 Stuebe Pg 17 Ln 27 (#37) — **42–54** (fail) · lower
- 3rd Reading & Final Passage (#7) — **27–22** (pass) · upper
- 1100 Klicker Pg 47 Ln 2 (#39) — **42–54** (fail) · lower
- 1180 Corry Pg 9 Ln 23 (#33) — **40–56** (fail) · lower
- 1122 Reeves Pg 1 Ln 25 (#26) — **59–36** (pass) · lower
- 1111 Walsh Pg 17 Ln 13 (#44) — **40–56** (fail) · lower
- Final Passage as Amended by the House (#3) — **27–21** (pass) · upper
- 1112 Dye Pg 48 Ln 24 (#41) — **40–56** (fail) · lower
- Final Passage as Amended by the House (#46) — **51–45** (pass) · lower
- 1106 Abell Pg 13 Ln 37 (#34) — **96–0** (pass) · lower
- 1102 Dye Pg 47 Ln 2 (#40) — **41–55** (fail) · lower
- 1110 Walsh Pg 17 Ln 13 (#36) — **41–55** (fail) · lower
- 1182 Dye Pg 1 Ln 25 (#27) — **39–57** (fail) · lower
- 1074 Fey Pg 1 Ln 3 (#45) — **47–49** (fail) · lower

## Sponsors

- Lovelett — primary (person)
- Bateman — cosponsor (person)
- C. Wilson — cosponsor (person)
- Frame — cosponsor (person)
- Hasegawa — cosponsor (person)
- Liias — cosponsor (person)
- Nobles — cosponsor (person)
- Orwall — cosponsor (person)
- Pedersen — cosponsor (person)
- Saldaña — cosponsor (person)
- Salomon — cosponsor (person)
- Shewmake — cosponsor (person)
- Slatter — cosponsor (person)
- Stanford — cosponsor (person)
- Valdez — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2025-01-15** First reading, referred to Environment, Energy & Technology. `reading-1`
- **2025-01-28** Public hearing in the Senate Committee on Environment, Energy & Technology at 1:30 PM.
- **2025-02-14** Executive action taken in the Senate Committee on Environment, Energy & Technology at 10:30 AM.
- **2025-02-14** ENET - Majority; 1st substitute bill be substituted, do pass. `substitution`
- **2025-02-14** Minority; do not pass. `committee-passage-unfavorable`
- **2025-02-14** Minority; without recommendation. `committee-passage-unfavorable`
- **2025-02-14** And refer to Ways & Means. `referral-committee`
- **2025-02-18** Referred to Ways & Means. `referral-committee`
- **2025-02-24** Public hearing in the Senate Committee on Ways & Means at 1:30 PM.
- **2025-02-27** Executive action taken in the Senate Committee on Ways & Means at 1:30 PM.
- **2025-02-27** WM - Majority; 2nd substitute bill be substituted, do pass. `substitution`
- **2025-02-27** Minority; do not pass. `committee-passage-unfavorable`
- **2025-02-27** Minority; without recommendation. `committee-passage-unfavorable`
- **2025-02-28** Passed to Rules Committee for second reading.
- **2025-03-05** Placed on second reading by Rules Committee. `reading-2`
- **2025-03-07** 2nd substitute bill substituted (WM 25). `substitution`
- **2025-03-07** Floor amendment(s) adopted.
- **2025-03-07** Rules suspended. Placed on Third Reading. `reading-3`
- **2025-03-07** Third reading, passed; yeas, 27; nays, 22; absent, 0; excused, 0. `reading-3`
- **2025-03-09** First reading, referred to Environment & Energy. `reading-1`
- **2025-03-17** Public hearing in the House Committee on Environment & Energy at 1:30 PM.
- **2025-03-31** Executive action taken in the House Committee on Environment & Energy at 1:30 PM.
- **2025-03-31** ENVI - Majority; do pass with amendment(s). `committee-passage-favorable`
- **2025-03-31** Minority; do not pass. `committee-passage-unfavorable`
- **2025-03-31** Minority; without recommendation. `committee-passage-unfavorable`
- **2025-04-02** Referred to Appropriations. `referral-committee`
- **2025-04-05** Public hearing in the House Committee on Appropriations at 9:00 AM.
- **2025-04-07** Executive action taken in the House Committee on Appropriations at 1:30 PM.
- **2025-04-07** APP - Majority; do pass with amendment(s) but without amendment(s) by Environment & Energy. `committee-passage-favorable`
- **2025-04-07** Minority; do not pass. `committee-passage-unfavorable`
- **2025-04-07** Minority; without recommendation. `committee-passage-unfavorable`
- **2025-04-08** Referred to Rules 2 Review. `referral-committee`
- **2025-04-10** Rules Committee relieved of further consideration. Placed on second reading. `reading-2`
- **2025-04-14** Committee amendment(s) adopted as amended.
- **2025-04-14** Rules suspended. Placed on Third Reading. `reading-3`
- **2025-04-14** Third reading, passed; yeas, 51; nays, 45; absent, 0; excused, 2. `reading-3`
- **2025-04-23** Senate concurred in House amendments.
- **2025-04-23** Passed final passage; yeas, 27; nays, 21; absent, 0; excused, 0. `passage`
- **2025-04-24** President signed. `passage`
- **2025-04-24** Speaker signed. `passage`
- **2025-04-25** Delivered to Governor. `executive-receipt`
- **2025-05-17** Governor signed. `executive-signature`
- **2025-05-17** Chapter 316, 2025 Laws. `became-law`
- **2025-05-17** Effective date 7/27/2025. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f3810cc1-5e35-49c5-8596-9253fa3bd5f3`. Confidence: reported (aggregated from official Washington legislature records).