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S. 4619
U.S. Senate•In Senate Committee
Summary
S. 4619, the Protect Domestic Oil and Gas Small Business Act of 2026, was introduced in the Senate on May 21, 2026 by Sen. Cynthia Lummis (R) with 9 co-sponsors. It was referred to Environment And Public Works, and last saw action on May 21, 2026: Read twice and referred to the Committee on Environment and Public Works.
Record
Text
S. 4619 has 9 co-sponsors.
sb4619/introduced-in-senate.txt119 S4619 IS: Protect Domestic Oil and Gas Small Business Act of 2026U.S. Senate2026-05-21text/xmlENPursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.II 119th CONGRESS 2d Session S. 4619 IN THE SENATE OF THE UNITED STATES May 21, 2026 Ms. Lummis (for herself, Mr. Barrasso , Mr. Cramer , Mr. Daines , Mr. Moran , Mr. Ricketts , and Mr. Lee ) introduced the following bill; which was read twice and referred to the Committee on Environment and Public Works A BILLTo amend the Clean Air Act to exclude marginal wells from certain standards of performance and other requirements under that Act, and for other purposes.1.Short titleThis Act may be cited as the Protect Domestic Oil and Gas Small Business Act of 2026 .2.Exclusion of marginal wells from standards of performance and other clean air act requirements(a)ExclusionsSection 111 of the Clean Air Act ( 42 U.S.C. 7411 ) is amended by adding at the end the following:(k)Exemption for marginal wells(1)DefinitionsIn this subsection:(A)Associated equipmentThe term associated equipment , with respect to an oil or natural gas well site, includes any multiphase separator, treater, knockout, gun barrel, test vessel, pump, storage vessel, compressor, process controller, dehydrator, gas shack, meter, heater, methanol pump, natural gas liquid loadout or storage vessel, gathering line, flowline, dump line, transmission line, water tank, oil tank, gunbarrel, or storage tank, or any other equipment used in association with that well site.(B)Marginal wellThe term marginal well means an oil or natural gas well site the average daily production of which, over the preceding calendar year, is—(i)in the case of an oil well site—(I)15 barrels of oil per day per well or less; or(II)15 barrels of oil equivalent per day per well or less, using a conversion factor of 6,000 cubic feet per barrel of oil equivalent; or(ii)in the case of a natural gas well site, 90,000 cubic feet of natural gas per day per well or less.(C)Well siteThe term well site includes any well located at a given site, and associated equipment, but does not extend beyond the point of custody transfer of natural gas or oil produced from such a well.(2)ExemptionNo standard of performance or guideline prescribed by the Administrator under subsection (b) or (d)(2), including in any regulation issued by the Administrator under either subsection, and no requirement for monitoring, reporting, recordkeeping, conducting a fugitive emission survey, detecting or repairing leaks, estimating or measuring emissions, or any other related requirement prescribed in regulations issued by the Administrator under this section shall apply with respect to any marginal well or, as applicable, the owner or operator of a marginal well.(3)No requirement in State plansThe Administrator may not require any plan submitted by a State to the Administrator under subsection (d)(1) to include a standard of performance applicable to marginal wells or, as applicable, owners or operators of marginal wells.(4)Expedited consideration(A)In generalIf a State makes a revision to a plan submitted to the Administrator under subsection (d)(1) to make a standard of performance inapplicable to marginal wells or, as applicable, owners or operators of marginal wells, the Administrator shall, not later than 180 days after the date on which the revision is submitted, approve, disapprove, approve in part, or disapprove in part that revision without further review.(B)Deemed approvalIf the Administrator fails to act on a revision described in subparagraph (A) by the end of the 180-day period described in that subparagraph, the revision shall be considered approved..(b)Implementation(1)Conforming revisionsNot later than 180 days after the date of enactment of this Act, the Administrator of the Environmental Protection Agency shall revise such regulations and guidance as may be necessary to implement subsection (k) of section 111 of the Clean Air Act ( 42 U.S.C. 7411 ) (as added by subsection (a)).(2)Pending enforcement actionsAny action to enforce a standard of performance or requirement described in subsection (k)(2) of section 111 of the Clean Air Act ( 42 U.S.C. 7411 ) (as added by subsection (a)) with respect to marginal wells that is pending on the date of enactment of this Act shall be terminated.
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2026-05-21
- Passed Senate
- Passed House
- Conference
- To President
- Became Law
A bill to amend the Clean Air Act to exclude marginal wells from certain standards of performance and other requirements under that Act, and for other purposes.
Sponsors
Sen. Cynthia Lummis (R) sponsors S. 4619, and 9 members have co-sponsored it, 6 of them from the day it was introduced.

Sen. · R–WY · Sponsor
Introduced May 21, 2026

Sen. · R–WY · Co-sponsor
Joined May 21, 2026 · Original

Sen. · R–ND · Co-sponsor
Joined May 21, 2026 · Original

Sen. · R–MT · Co-sponsor
Joined May 21, 2026 · Original

Sen. · R–UT · Co-sponsor
Joined May 21, 2026 · Original

Sen. · R–KS · Co-sponsor
Joined May 21, 2026 · Original

Sen. · R–NE · Co-sponsor
Joined May 21, 2026 · Original

Sen. · R–OK · Co-sponsor
Joined Jun 3, 2026

Sen. · R–KS · Co-sponsor
Joined Jul 14, 2026

Sen. · R–PA · Co-sponsor
Joined Aug 4, 2026
Committees
S. 4619 went before 1 committee: Environment and Public Works.
Actions
S. 4619 has taken 2 actions since May 21, 2026.
| Chamber | Action | |||
|---|---|---|---|---|
May 21, 2026 | Senate | Read twice and referred to the Committee on Environment and Public Works.Environment and Public Works Committee | ||
May 21, 2026 | — | Introduced in Senate |
Votes
S. 4619 has not gone to a roll call.
Related bills
1 bill is related to S. 4619.
Titles
S. 4619 goes by 3 titles, 1 of them short titles.
- Protect Domestic Oil and Gas Small Business Act of 2026 — Display Title
- Protect Domestic Oil and Gas Small Business Act of 2026 — Short Title(s) as Introduced
- A bill to amend the Clean Air Act to exclude marginal wells from certain standards of performance and other requirements under that Act, and for other purposes. — Official Title as Introduced
Classification
The Congressional Research Service files S. 4619 under Environmental Protection, one of its 31 policy areas.
CRS Subjects
CRS assigns every bill one policy area from its 31; S. 4619’s is Environmental Protection.
s4619/policy-areas.txtSource: congress.gov · legiscan.com
