S. 4576 – Colorado River Basin System Conservation Extension Act

AI-Generated Summary

Updated January 20, 2026 at 5:27 PM UTC

The bill amends the 2015 Energy and Water Development Appropriations Act to reauthorize the Colorado River System conservation pilot program. It updates the law’s name and pushes the program’s authorized timeline out to 2026‑2027, affecting the agencies that run the pilot and the water‑conservation work in the Colorado River basin.

Key Provisions

Updates the reference to this law to use the new name “Colorado River Basin System Conservation Extension Act.”
Extends the program’s authorization period by changing the end date from 2024 to 2026.
Further extends related provisions by changing the end date from 2025 to 2027.

Legislative Activity

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9 earlier actions

HouseFloor Latest Action

Held at the desk.

December 18, 2024 • 6:26 PM

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SenateIntro Referral

Introduced in Senate

June 18, 2024

SenateIntro Referral

Read twice and referred to the Committee on Energy and Natural Resources.

Energy and Natural Resources Committee

June 18, 2024

SenateCommittee

Committee on Energy and Natural Resources Subcommittee on Water and Power. Hearings held.

Water and Power Subcommittee

September 11, 2024

SenateCommittee

Committee on Energy and Natural Resources. Ordered to be reported without amendment favorably.

Energy and Natural Resources Committee

November 19, 2024

SenateCommittee

Committee on Energy and Natural Resources. Reported by Senator Manchin without amendment. Without written report.

Energy and Natural Resources Committee

November 21, 2024

SenateCalendars

Placed on Senate Legislative Calendar under General Orders. Calendar No. 629.

November 21, 2024

SenateFloor

Passed Senate without amendment by Unanimous Consent. (consideration: CR S7133; text: CR S7133)

December 18, 2024

SenateFloor

Message on Senate action sent to the House.

December 18, 2024

HouseFloor

Received in the House.

December 18, 2024 • 6:01 PM

HouseFloor

Held at the desk.

December 18, 2024 • 6:26 PM

Floor Debate

1 member

What members said about S. 4576 on the floor

1 Democrat

Sen. John W. HickenlooperD-CO · Dec 18, 2024

Madam President, I ask unanimous consent the Committee on Energy and Natural Resources be discharged from further consideration of S. 3373, H.R. 4385, and H.R. 5770, and the Senate proceed to the…

Bill Text

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Engrossed in SenateIssued December 18, 2024

118th CONGRESS

2d Session

S. 4576

AN ACT

To amend the Energy and Water Development and Related Agencies Appropriations Act, 2015, to reauthorize the Colorado River System conservation pilot program.

1.

Short title

This Act may be cited as the Colorado River Basin System Conservation Extension Act.

2.

Reauthorization of Colorado River System conservation pilot program

Section 206 of the Energy and Water Development and Related Agencies Appropriations Act, 2015 (43 U.S.C. 620 note; Public Law 113–235), is amended—

(1)

in subsection (b)(2), by striking this Act and inserting the Colorado River Basin System Conservation Extension Act;

(2)

in subsection (c)(2), by striking 2024 and inserting 2026; and

(3)

in subsection (d), by striking 2025 and inserting 2027.

Passed the Senate December 18 (legislative day, December 16), 2024.

Secretary