South Carolina 2025-2026 Regular Session Status: In Committee

H 4629 — Public Water System

Last action — Referred to Committee on Labor, Commerce and Industry

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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 16% · 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.

  • 2 sponsors

    2 primary, 0 co-sponsors signed on.

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 ADDING SECTION 44-55-55 SO AS TO REQUIRE THE DEPARTMENT OF ENVIRONMENTAL SERVICES TO PROMULGATE REGULATIONS TO REQUIRE PUBLIC WATER SYSTEMS TO MAINTAIN A MINIMUM DISINFECTANT LEVEL OF FREE OR TOTAL CHLORINE, WITH EXCEPTIONS; TO REQUIRE CERTAIN REPORTING; AND FOR OTHER PURPOSES.

Bill Text

What changed in the latest version

44 added · 12 removed

Plain-language change summary

The recent amendment to Bill H 4629 requires South Carolina's Department of Environmental Services to create regulations ensuring that public water systems maintain a minimum disinfectant level of chlorine in the water they deliver. Specifically, this level cannot be lower than 0.1 parts per million. The change also clarifies that these regulations will not apply to private water systems serving three or fewer residences or primarily used for agriculture. This amendment matters because it aims to improve water safety for residents, ensuring that water systems adequately disinfect their water supply.

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2025-2026 Bill 4629 Text of Previous Version (Dec.
17, 2025) - South Carolina Legislature Online South Carolina General Assembly126th Session, 2025-2026Bill 4629Indicates Matter StrickenIndicates New Matter(Text matches printed bills.
Document has been reformatted to meet World Wide Web specifications.)                 A bill   TO AMEND THE SOUTH CAROLINA CODE OF LAWS BY ADDING SECTION 44-55-55 SO AS TO REQUIRE THE DEPARTMENT OF ENVIRONMENTAL SERVICES TO PROMULGATE REGULATIONS TO REQUIRE PUBLIC WATER SYSTEMS TO MAINTAIN A MINIMUM DISINFECTANT LEVEL OF FREE OR TOTAL CHLORINE, WITH EXCEPTIONS;
TO REQUIRE CERTAIN REPORTING;
AND FOR OTHER PURPOSES.
  Be it enacted by the General Assembly of the State of South Carolina:
  SECTION 1.  Article 1, Chapter 55, Title 44 of the S.C.
Code is amended by adding:
      Section 44-55-55.  (A) The Department of Environmental Services shall promulgate regulations pursuant to the Administrative Procedures Act that require every public water system in the State to maintain a minimum disinfectant level of free or total chlorine in the water being delivered to the distribution system, in finished water storage tanks, and in all points of the distribution.
The regulations may not specify a minimum disinfectant level of less than 0.1 parts per million.
This section applies to any water system that provides water for residential consumption and use.
However, the provisions of this section do not apply to any private water system that supplies water to three or less residences or that is used primarily for agricultural operations.
    (B) The department shall review regulations promulgated pursuant to this section as necessary and submit an annual report on the state of public water systems across South Carolina to the Senate Medical Affairs Committee and the House Medical, Military, Public and Municipal Affairs Committee no later than February first of each year.
    (C) An industrial user that owns, operates, and maintains a water system dedicated to the exclusive use of its operations or facilities may apply for a variance from any requirement to maintain a minimum disinfectant level of free or total chlorine in its water system.
The department shall review any variance request and may grant approval if not inconsistent with applicable federal law.
Nothing in this section may be construed to require an industrial user or consumer holding a variance or holding a variance pending a department determination to reapply for a variance.
  SECTION 2.  This act takes effect upon approval by the Governor.
----XX---- This web page was last updated on December 17, 2025 at 01:03 PM
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Action History

  1. Referred to Committee on Labor, Commerce and Industry

  2. Introduced and read first time

  3. Referred to Committee on Labor, Commerce and Industry

  4. Prefiled

Sponsors

Sponsorship breakdown

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2 sponsors · 0 co-sponsors · 168 not signed on

Sponsors (2)

Co-sponsors (0)

None.

Not signed on (168)

168 members have not signed on to this bill.

Show all 168 →

"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
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Frequently asked questions

What does H 4629 do?
A BILL TO AMEND THE SOUTH CAROLINA CODE OF LAWS BY ADDING SECTION 44-55-55 SO AS TO REQUIRE THE DEPARTMENT OF ENVIRONMENTAL SERVICES TO PROMULGATE REGULATIONS TO REQUIRE PUBLIC WATER SYSTEMS TO MAINTAIN A MINIMUM DISINFECTANT LEVEL OF FREE OR TOTAL CHLORINE, WITH EXCEPTIONS; TO REQUIRE CERTAIN REPORTING; AND FOR OTHER PURPOSES.
Who sponsors H 4629?
H 4629 is sponsored by J.L. Johnson and Representative William "Bill" Clyburn.
What is the current status of H 4629?
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 4629?
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