South Carolina 2025-2026 Regular Session Status: In Committee 1 R cosponsors

H 4624 — South Carolina Clean Air Act

Last action — Member(s) request name added as sponsor: Beach

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  1. ✓
    Introduced
  2. 2
    In Committee
  3. 3
    Passed House
  4. 4
    Passed Senate
  5. 5
    To Executive
  6. 6
    Enacted

This bill is in committee in the House. Introduced December 16, 2025. It must pass committee before a floor vote.

Next likely step: a committee vote, then a floor vote in the House.

Prognosis

Stalled 26% · moderate confidence

Where this bill stands today.

Odds of enactment

Low

How often bills like it became law.

  • In Committee

    Current position in the legislative process.

  • 12 sponsors

    12 primary, 0 co-sponsors signed on.

  • Single-party support

    Sponsorship is currently within one party (1 R).

Prognosis reads this bill's own signals — stage, sponsorship breadth, committee status, recorded votes and cross-state momentum. Odds come from a model trained on which bills have become law.

Summary

A BILL TO AMEND THE SOUTH CAROLINA CODE OF LAWS BY ENACTING THE "SOUTH CAROLINA CLEAN AIR ACT" BY AMENDING SECTION 48-1-110, RELATING IN PART TO UNLAWFUL DISCHARGES OF AIR CONTAMINANTS, SO AS TO PROHIBIT THE INTENTIONAL EMISSION OF ANY AIR CONTAMINANT WHOSE PURPOSE IS TO AFFECT TEMPERATURE, WEATHER, OR SUNLIGHT INTENSITY; TO ESTABLISH CRIMINAL PENALTIES; TO REQUIRE THE DEPARTMENT OF ENVIRONMENTAL SERVICES TO TAKE CERTAIN ACTIONS, TO AUTHORIZE PRIVATE CITIZENS TO FILE LEGAL PROCEEDINGS; AND FOR OTHER PURPOSES.

Bill Text

What changed in the latest version

2 added · 2 removed

2 line(s) added, 2 removed.

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Previous
Latest
2025-2026 Bill 4624 Text of Previous Version (Jan.
2025-2026 Bill 4624 Text of Previous Version (Dec.
13, 2026) - South Carolina Legislature Online South Carolina General Assembly126th Session, 2025-2026Bill 4624Indicates Matter StrickenIndicates New Matter(Text matches printed bills.
17, 2025) - South Carolina Legislature Online South Carolina General Assembly126th Session, 2025-2026Bill 4624Indicates Matter StrickenIndicates New Matter(Text matches printed bills.
----XX---- This web page was last updated on January 13, 2026 at 02:42 PM
----XX---- This web page was last updated on December 17, 2025 at 02:05 PM
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Action History

  1. Member(s) request name added as sponsor: Beach

  2. Member(s) request name added as sponsor: Lastinger

  3. Member(s) request name added as sponsor: Burns

  4. Referred to Committee on Agriculture, Natural Resources and Environmental Affairs

  5. Introduced and read first time

  6. Referred to Committee on Agriculture, Natural Resources and Environmental Affairs

  7. Prefiled

Sponsors

Sponsorship breakdown

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12 sponsors · 0 co-sponsors · 158 not signed on

Sponsors (12)

Co-sponsors (0)

None.

Not signed on (158)

158 members have not signed on to this bill.

Show all 158 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

environment
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does H 4624 do?
A BILL TO AMEND THE SOUTH CAROLINA CODE OF LAWS BY ENACTING THE "SOUTH CAROLINA CLEAN AIR ACT" BY AMENDING SECTION 48-1-110, RELATING IN PART TO UNLAWFUL DISCHARGES OF AIR CONTAMINANTS, SO AS TO PROHIBIT THE INTENTIONAL EMISSION OF ANY AIR CONTAMINANT WHOSE PURPOSE IS TO AFFECT TEMPERATURE, WEATHER, OR SUNLIGHT INTENSITY; TO ESTABLISH CRIMINAL PENALTIES; TO REQUIRE THE DEPARTMENT OF ENVIRONMENTAL SERVICES TO TAKE CERTAIN ACTIONS, TO AUTHORIZE PRIVATE CITIZENS TO FILE LEGAL PROCEEDINGS; AND FOR OTHER PURPOSES.
Who sponsors H 4624?
H 4624 is sponsored by Representative Thomas Lee Gilreath, Representative William C. "Chris" Huff, Representative April Cromer, Representative Sarita L. Edgerton, Representative Adam L. Duncan, Representative Joseph S. "Joe" White, Stephen D. Frank (Republican), Representative James Mikell "Mike" Burns, Representative Thomas Beach, Representative John Gregory "Jay" Kilmartin, Representative William M. "Bill" Chumley, and Representative John T. Lastinger, Jr..
What is the current status of H 4624?
This bill is in committee in the House. Introduced December 16, 2025. It must pass committee before a floor vote.
Where can I track H 4624?
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