Legislation: batch E — CA TN VA VT WA WI WV WY

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/wa/2025-2026/hb-1670.md

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+---
+type: "Bill"
+title: "Increasing transparency regarding sewage-containing spills."
+description: "Increasing transparency regarding sewage-containing spills."
+jurisdiction: "us/states/wa"
+legislature: "Washington Legislature"
+session: "2025-2026"
+identifier: "HB 1670"
+citation: "Washington HB 1670 (2025-2026)"
+classification: ["bill"]
+subjects: []
+status: "enacted"
+primary_sponsors: ["Hunt"]
+version_count: 3
+action_count: 36
+vote_count: 3
+first_action: "2025-01-28"
+last_action: "2025-05-17"
+source: "openstates"
+source_identifier: "ocd-bill/5c95c693-8af7-4938-be57-da94f4ecee40"
+source_url: "https://app.leg.wa.gov/billsummary/?BillNumber=1670&Year=2025&Initiative=false"
+source_hash: "3c0e842a3219b267881dfcc8b34ee4e42bd1b58caa7a920027d1231ebec95d9d"
+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 1670 (2025-2026) — Increasing transparency regarding sewage-containing spills.
+
+## 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/1670.htm)
+2. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Bills/1670-S.htm)
+3. **Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Passed%20Legislature/1670-S.PL.htm)
+
+## Votes
+
+- 3rd Reading & Final Passage as Amended by the Senate (#14) — **49–0** (pass) · upper
+- 3rd Reading & Final Passage (#4) — **96–0** (pass) · lower
+- Final Passage as Amended by the Senate (#29) — **97–0** (pass) · lower
+
+## Sponsors
+
+- Hunt — primary (person)
+- Abbarno — cosponsor (person)
+- Bernbaum — cosponsor (person)
+- Berry — cosponsor (person)
+- Doglio — cosponsor (person)
+- Duerr — cosponsor (person)
+- Gregerson — cosponsor (person)
+- Griffey — cosponsor (person)
+- Hill — cosponsor (person)
+- Kloba — cosponsor (person)
+- Lekanoff — cosponsor (person)
+- Nance — cosponsor (person)
+- Obras — cosponsor (person)
+- Ormsby — cosponsor (person)
+- Parshley — cosponsor (person)
+- Ramel — cosponsor (person)
+- Reed — cosponsor (person)
+- Salahuddin — cosponsor (person)
+- Stearns — cosponsor (person)
+- Zahn — cosponsor (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2025-01-28** First reading, referred to Environment & Energy. `reading-1`
+- **2025-02-04** Public hearing in the House Committee on Environment & Energy at 4:00 PM.
+- **2025-02-11** Executive session scheduled, but no action was taken in the House Committee on Environment & Energy at 4:00 PM.
+- **2025-02-13** Executive action taken in the House Committee on Environment & Energy at 8:00 AM.
+- **2025-02-13** ENVI - Majority; 1st substitute bill be substituted, do pass. `substitution`
+- **2025-02-17** Referred to Appropriations. `referral-committee`
+- **2025-02-22** Public hearing in the House Committee on Appropriations at 9:00 AM.
+- **2025-02-25** Executive action taken in the House Committee on Appropriations at 1:30 PM.
+- **2025-02-25** APP - Majority; do pass 1st substitute bill proposed by Environment & Energy. `committee-passage-favorable`
+- **2025-02-27** Referred to Rules 2 Review. `referral-committee`
+- **2025-02-28** Rules Committee relieved of further consideration. Placed on second reading. `reading-2`
+- **2025-03-03** 1st substitute bill substituted (ENVI 25). `substitution`
+- **2025-03-03** Rules suspended. Placed on Third Reading. `reading-3`
+- **2025-03-03** Third reading, passed; yeas, 96; nays, 0; absent, 0; excused, 2. `reading-3`
+- **2025-03-05** First reading, referred to Environment, Energy & Technology. `reading-1`
+- **2025-03-14** Public hearing in the Senate Committee on Environment, Energy & Technology at 10:30 AM.
+- **2025-03-21** Executive action taken in the Senate Committee on Environment, Energy & Technology at 10:30 AM.
+- **2025-03-21** ENET - Majority; do pass. `committee-passage-favorable`
+- **2025-03-21** And refer to Ways & Means. `referral-committee`
+- **2025-03-24** Referred to Ways & Means. `referral-committee`
+- **2025-04-07** Executive session scheduled, but no action was taken in the Senate Committee on Ways & Means at 1:30 PM.
+- **2025-04-08** Executive action taken in the Senate Committee on Ways & Means at 1:30 PM.
+- **2025-04-08** WM - Majority; do pass. `committee-passage-favorable`
+- **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** Floor amendment(s) adopted.
+- **2025-04-16** Rules suspended. Placed on Third Reading. `reading-3`
+- **2025-04-16** Third reading, passed; yeas, 49; nays, 0; absent, 0; excused, 0. `reading-3`
+- **2025-04-22** House concurred in Senate amendments.
+- **2025-04-22** Passed final passage; yeas, 97; nays, 0; absent, 0; excused, 1. `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 315, 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/5c95c693-8af7-4938-be57-da94f4ecee40`. Confidence: reported (aggregated from official Washington legislature records).
+