---
type: "Bill"
title: "Reducing escape of nonnative finfish from marine finfish aquaculture facilities."
description: "Reducing escape of nonnative finfish from marine finfish aquaculture facilities."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2017-2018"
identifier: "HB 2957"
citation: "Washington HB 2957 (2017-2018)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Lytton"]
version_count: 3
action_count: 27
vote_count: 6
first_action: "2018-01-30"
last_action: "2018-03-22"
source: "openstates"
source_identifier: "ocd-bill/684ac2db-5771-40ac-b569-788271f41c6b"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=2957&year=2017"
source_hash: "69dfb51fe966ca7390f127f9eb57ab0d5e0b5ca2d646a1cf93867ff2f3493d89"
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 2957 (2017-2018) — Reducing escape of nonnative finfish from marine finfish aquaculture facilities.

## 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/2017-18/Htm/Bills/House%20Bills/2957.htm)
2. **Engrossed Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2017-18/Htm/Bills/House%20Bills/2957.E.htm)
3. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2017-18/Htm/Bills/House%20Bills/2957-S.htm)

## Votes

- 3rd Reading & Final Passage (#52) — **31–16** (pass) · upper
- 1068 Blake Striker (#15) — **56–42** (pass) · lower
- Final Passage (#16) — **67–31** (pass) · lower
- 874 Warnick Striker (#51) — **21–27** (fail) · upper
- 848 Ericksen Pg 10 Ln 8 (#50) — **20–28** (fail) · upper
- 867 Braun Pg 10 Ln 8 (#49) — **19–28** (fail) · upper

## Sponsors

- Lytton — primary (person)
- Chapman — cosponsor (person)
- Peterson — cosponsor (person)
- Pollet — cosponsor (person)
- Robinson — cosponsor (person)
- Sawyer — cosponsor (person)
- Stambaugh — cosponsor (person)
- Stanford — cosponsor (person)
- Taylor — cosponsor (person)
- Wilcox — cosponsor (person)

## Timeline

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

- **2018-01-30** First reading, referred to Agriculture & Natural Resources (Not Officially read and referred until adoption of Introduction report). `reading-1`
- **2018-02-01** AGNR - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2018-02-01** Minority; do not pass.
- **2018-02-02** Referred to Rules 2 Review.
- **2018-02-09** Rules Committee relieved of further consideration. Placed on second reading.
- **2018-02-14** 1st substitute bill not substituted.
- **2018-02-14** Floor amendment(s) adopted.
- **2018-02-14** Rules suspended. Placed on Third Reading.
- **2018-02-14** Third reading, passed; yeas, 67; nays, 31; absent, 0; excused, 0. `reading-3`
- **2018-02-16** First reading, referred to Agriculture, Water, Natural Resources & Parks. `reading-1`
- **2018-02-22** AWNP - Majority; do pass.
- **2018-02-22** Minority; do not pass.
- **2018-02-23** Passed to Rules Committee for second reading.
- **2018-02-28** Placed on second reading by Rules Committee.
- **2018-03-02** Rules suspended. Placed on Third Reading.
- **2018-03-02** Third reading, passed; yeas, 31; nays, 16; absent, 1; excused, 1. `reading-3`
- **2018-03-06** Speaker signed. `passage`
- **2018-03-07** President signed. `passage`
- **2018-03-08** Delivered to Governor.
- **2018-03-22** Governor partially vetoed. `executive-veto-line-item`
- **2018-03-22** Chapter 179, 2018 Laws. `became-law`
- **2018-03-22** Effective date 6/7/2018. `became-law`
- **2018-02-01** AGNR - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2018-02-01** Minority; do not pass.
- **2018-02-02** Referred to Rules 2 Review.
- **2018-02-09** Rules Committee relieved of further consideration. Placed on second reading.
- **2018-02-14** 1st substitute bill not substituted.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/684ac2db-5771-40ac-b569-788271f41c6b`. Confidence: reported (aggregated from official Washington legislature records).