---
type: "Bill"
title: "Improving outcomes associated with waste material management systems."
description: "Improving outcomes associated with waste material management systems."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2025-2026"
identifier: "HB 1497"
citation: "Washington HB 1497 (2025-2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Doglio"]
version_count: 4
action_count: 40
vote_count: 3
first_action: "2025-01-22"
last_action: "2025-05-17"
source: "openstates"
source_identifier: "ocd-bill/3d60f1f2-6859-483a-8e98-88c8a42aaea0"
source_url: "https://app.leg.wa.gov/billsummary/?BillNumber=1497&Year=2025&Initiative=false"
source_hash: "9de9faf2b0a807f6b9dff52ae43a3c628e50a07f0deabf19348b4f7956f9429e"
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 HB 1497 (2025-2026) — Improving outcomes associated with waste material management systems.

## 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/House%20Bills/1497.htm)
2. **Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Bills/1497-S2.htm)
3. **Second Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Passed%20Legislature/1497-S2.PL.htm)
4. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Bills/1497-S.htm)

## Votes

- 3rd Reading & Final Passage (#8) — **57–39** (pass) · lower
- 3rd Reading & Final Passage as Amended by the Senate (#11) — **27–22** (pass) · upper
- Final Passage as Amended by the Senate (#12) — **59–37** (pass) · lower

## Sponsors

- Doglio — primary (person)
- Berry — cosponsor (person)
- Hill — cosponsor (person)
- Parshley — cosponsor (person)
- Pollet — cosponsor (person)
- Ramel — cosponsor (person)
- Reed — cosponsor (person)
- Reeves — cosponsor (person)
- Scott — cosponsor (person)

## Timeline

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

- **2025-01-22** First reading, referred to Environment & Energy. `reading-1`
- **2025-01-28** Public hearing in the House Committee on Environment & Energy at 4:00 PM.
- **2025-02-06** Executive action taken in the House Committee on Environment & Energy at 8:00 AM.
- **2025-02-06** ENVI - Majority; 1st substitute bill be substituted, do pass. `substitution`
- **2025-02-06** Minority; without recommendation. `committee-passage-unfavorable`
- **2025-02-10** Referred to Appropriations. `referral-committee`
- **2025-02-19** Public hearing in the House Committee on Appropriations at 4:00 PM.
- **2025-02-26** Executive action taken in the House Committee on Appropriations at 1:30 PM.
- **2025-02-26** APP - Majority; 2nd substitute bill be substituted, do pass. `substitution`
- **2025-02-26** Minority; do not pass. `committee-passage-unfavorable`
- **2025-02-28** Referred to Rules 2 Review. `referral-committee`
- **2025-03-04** Rules Committee relieved of further consideration. Placed on second reading. `reading-2`
- **2025-03-07** 2nd substitute bill substituted (APP 25). `substitution`
- **2025-03-07** Rules suspended. Placed on Third Reading. `reading-3`
- **2025-03-07** Third reading, passed; yeas, 57; nays, 39; absent, 0; excused, 2. `reading-3`
- **2025-03-11** First reading, referred to Environment, Energy & Technology. `reading-1`
- **2025-03-18** Public hearing in the Senate Committee on Environment, Energy & Technology at 1:30 PM.
- **2025-03-25** Executive action taken in the Senate Committee on Environment, Energy & Technology at 1:30 PM.
- **2025-03-25** ENET - Majority; do pass with amendment(s). `committee-passage-favorable`
- **2025-03-25** Minority; do not pass. `committee-passage-unfavorable`
- **2025-03-25** And refer to Ways & Means. `referral-committee`
- **2025-03-26** Referred to Ways & Means. `referral-committee`
- **2025-04-04** Public hearing in the Senate Committee on Ways & Means at 1:30 PM.
- **2025-04-07** Executive action taken in the Senate Committee on Ways & Means at 1:30 PM.
- **2025-04-07** WM - Majority; do pass with amendment(s) by Environment, Energy & Technology. `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** Passed to Rules Committee for second reading.
- **2025-04-15** Placed on second reading by Rules Committee. `reading-2`
- **2025-04-16** Committee amendment(s) adopted as amended.
- **2025-04-16** Rules suspended. Placed on Third Reading. `reading-3`
- **2025-04-16** Third reading, passed; yeas, 27; nays, 22; absent, 0; excused, 0. `reading-3`
- **2025-04-22** House concurred in Senate amendments.
- **2025-04-22** Passed final passage; yeas, 59; nays, 37; absent, 0; excused, 2. `passage`
- **2025-04-23** Speaker signed. `passage`
- **2025-04-24** President signed. `passage`
- **2025-04-25** Delivered to Governor. `executive-receipt`
- **2025-05-17** Governor signed. `executive-signature`
- **2025-05-17** Chapter 314, 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/3d60f1f2-6859-483a-8e98-88c8a42aaea0`. Confidence: reported (aggregated from official Washington legislature records).