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HB1630 • 2026

Livestock methane emissions

Concerning livestock methane emissions.

Agriculture
Passed Legislature

This bill passed both chambers and reached final enrollment, even if later executive action is not shown here.

Sponsor
Representative Parshley, Representative Duerr, Representative Fitzgibbon, Representative Berry, Representative Ramel, Representative Reed, Representative Ryu, Representative Hill
Last action
2026-01-12
Official status
H Env & Energy
Effective date
Not listed

Plain English Breakdown

Using official source text because the generated explanation was unavailable or could not be confirmed against the official bill text.

Livestock methane emissions

Livestock methane emissions

What This Bill Does

  • Livestock methane emissions

Limits and Unknowns

  • This entry is temporarily using official source text because the generated explanation could not be confirmed against the official bill text during the last sync.

Bill History

  1. 2026-01-12 House

    By resolution, reintroduced and retained in present status.

Official Summary Text

Livestock methane emissions

Current Bill Text

Read the full stored bill text 
AN ACT Relating to livestock methane emissions; adding a new 1
section to chapter 70A.15 RCW; and creating a new section.2
BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF WASHINGTON:3
NEW SECTION. Sec. 1. (1) The legislature finds that methane is 4
a potent greenhouse gas, and that Washington continues to experience 5
the dangerous impacts of climate change from greenhouse gas 6
emissions, including devastating fires, drought conditions, and 7
record-breaking summer temperatures.8
(2) The legislature finds cattle release significant amounts of 9
methane through their digestion process and manure production.10
(3) The legislature further finds that dairies and feed lots in 11
the state are not currently required to report any information 12
regarding the level of their methane emissions and, therefore, there 13
is a notable gap in the state's knowledge of the contribution of this 14
industry to greenhouse gas emissions. 15
(4) Therefore, it is the intent of the legislature to better 16
understand the scale and scope of methane emissions from dairies and 17
feed lots in the state, by gathering basic information regarding the 18
level of their emissions. 19
H-0846.1
HOUSE BILL 1630
State of Washington 69th Legislature 2025 Regular Session
By Representatives Parshley, Duerr, Fitzgibbon, Berry, Ramel, Reed,
Ryu, and Hill
Read first time 01/27/25. Referred to Committee on Environment &
Energy.
p. 1 HB 1630
NEW SECTION. Sec. 2. A new section is added to chapter 70A.15 1
RCW to read as follows: 2
(1) Beginning January 1st of the year following the year in which 3
the department adopts rules to implement this section, each owner or 4
operator of a dairy farm or feed lot in the state must submit an 5
annual report to the department with the total metric tons of methane 6
emitted from the dairy farm or feed lot in the preceding calendar 7
year. 8
(2) For the first report due under subsection (1) of this 9
section, the owner or operator may estimate the total annual 10
emissions by multiplying the average total monthly emissions over a 11
consecutive three-month period within the calendar year covered by 12
the report. 13
(3) The department must adopt rules to implement this section, 14
including a reporting schedule that provides reasonable lead time for 15
the first report. 16
(4) For the purposes of this section: 17
(a) "Dairy farm" means any farm that is licensed to produce milk 18
under chapter 15.36 RCW. 19
(b) "Feed lot" has the same meaning as "certified feed lot" in 20
RCW 16.58.020. 21
--- END ---
p. 2 HB 1630