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Responsible Containment Reauthorization Act of 2026

To amend the Uranium Mill Tailings Radiation Control Act of 1978 to extend the authorization of a disposal site in Mesa County, Colorado, until the site is filled to designed capacity.

Introduced Mar 5, 2026

Latest action (Mar 5, 2026) Read twice and referred to the Committee on Energy and Natural Resources.

Policy area
Issues
Climate & Energy

Summary

This bill amends the Uranium Mill Tailings Radiation Control Act of 1978 to extend the authorization period for a uranium mill tailings disposal site located in Mesa County, Colorado. Under current law, the disposal site's authorization is set to expire on September 30, 2031. The bill removes this expiration date and allows the site to continue operating until it reaches its designed storage capacity. This extension would allow the disposal site to remain operational beyond the previously established 2031 deadline as long as it has not yet filled to capacity.

AI-generated plain-language summary of the bill text — neutral, and may be imperfect. See the full text below for the exact wording.

Sponsor (1)

Money behind the sponsor

Top reported contributors to John W. Hickenlooper’s campaign committee (2024 cycle) — who funds the bill’s sponsor, not a claim about this bill. Data from FEC.

  • PALANTIR TECHNOLOGIES $21,750
  • THE WONDERFUL COMPANY $13,200
  • ANDREESSEN HOROWITZ $13,200
  • WALKER & DUNLOP $6,600
  • BILL & MELINDA GATES FOUNDATION $6,600

Organizations whose employees gave the most — itemized individual contributions grouped by the donor’s reported employer (FEC Schedule A). Full finance for John W. Hickenlooper → · Outside spending →

Actions (2)

  1. Mar 5, 2026 Read twice and referred to the Committee on Energy and Natural Resources. · senate
  2. Mar 5, 2026 Introduced in Senate

Similar bills (6)

Bills with similar text or summary — includes reintroductions across Congresses. Ranked by semantic similarity of the bill text (computed locally); a neutral discovery aid, not a claim the bills are duplicates.

Full text

IN THE SENATE OF THE UNITED STATES

March 5, 2026

Mr. Hickenlooper (for himself, Mr. Curtis, and Mr. Bennet) introduced the following bill; which was read twice and referred to the Committee on Energy and Natural Resources

A BILL

To amend the Uranium Mill Tailings Radiation Control Act of 1978 to extend the authorization of a disposal site in Mesa County, Colorado, until the site is filled to designed capacity.

Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled,

SECTION 1. SHORT TITLE.

This Act may be cited as the “Responsible Containment Reauthorization Act of 2026”.

SEC. 2. EXTENSION OF AUTHORIZATION.

Section 112(a)(1)(B) of the Uranium Mill Tailings Radiation Control Act of 1978 (42 U.S.C. 7922(a)(1)(B)) is amended by striking “, or September 30, 2031, whichever comes first”. <all>

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