Public Law 119-73 (01/23/2026)

43 U.S.C. § 1551

Construction of Colorado River Basin Act

(a)

Effect on other laws

45 Stat. 105763 Stat. 3159 Stat. 121945 Stat. 105743 U.S.C. 61754 Stat. 77443 U.S.C. 61870 Stat. 10543 U.S.C. 620Nothing in this chapter shall be construed to alter, amend, repeal, modify, or be in conflict with the provisions of the Colorado River Compact (), the Upper Colorado River Basin Compact (), the Water Treaty of 1944 with the United Mexican States (Treaty Series 994; ), the decree entered by the Supreme Court of the United States in Arizona against California and others (376 U.S. 340), or, except as otherwise provided herein, the Boulder Canyon Project Act () [ et seq.], the Boulder Canyon Project Adjustment Act (), [ et seq.], or the Colorado River Storage Project Act () [ et seq.].

(b)

Reports to Congress

The Secretary is directed to—
(1)
make reports as to the annual consumptive uses and losses of water from the Colorado River system after each successive five-year period, beginning with the five-year period starting on . Such reports shall include a detailed breakdown of the beneficial consumptive use of water on a State-by-State basis. Specific figures on quantities consumptively used from the major tributary streams flowing into the Colorado River shall also be included on a State-by-State basis. Such reports shall be prepared in consultation with the States of the lower basin individually and with the Upper Colorado River Commission, and shall be transmitted to the President, the Congress, and to the Governors of each State signatory to the Colorado River Compact; and
(2)
condition all contracts for the delivery of water originating in the drainage basin of the Colorado River system upon the availability of water under the Colorado River Compact.
(c)

Compliance of Federal officers and agencies

All Federal officers and agencies are directed to comply with the applicable provisions of this chapter, and of the laws, treaty, compacts, and decree referred to in subsection (a) of this section, in the storage and release of water from all reservoirs and in the operation and maintenance of all facilities in the Colorado River system under the jurisdiction and supervision of the Secretary, and in the operation and maintenance of all works which may be authorized hereafter for the augmentation of the water supply of the Colorado River system. In the event of failure of any such officer or agency to so comply, any affected State may maintain an action to enforce the provisions of this section in the Supreme Court of the United States and consent is given to the joinder of the United States as a party in such suit or suits, as a defendant or otherwise.

Pub. L. 90–537, title VI, § 60182 Stat. 899(, , .)

Editorial Notes

References in Text

Pub. L. 90–53782 Stat. 885section 1501 of this titleThis chapter, referred to in subsecs. (a) and (c), was in the original “this Act”, meaning , , , known as the Colorado River Basin Project Act, which enacted this chapter and sections 616aa–1, 620a–1, 620a–2, 620c–1, and 620d–1 of this title, amended sections 616hh, 620, and 620a of this title, and enacted provisions set out as notes under sections 620, 620k, and 1501 of this title. For complete classification of this Act to the Code, see Short Title note set out under and Tables.

act Dec. 21, 1928, ch. 4245 Stat. 1057section 617t of this titleThe Boulder Canyon Project Act, referred to in subsec. (a), is , , which is classified generally to subchapter I (§ 617 et seq.) of chapter 12A of this title. For complete classification of this Act to the Code, see and Tables.

act July 19, 1940, ch. 64354 Stat. 774oThe Boulder Canyon Project Adjustment Act, referred to in subsec. (a), is , , which is classified generally to subchapter II (§ 618 et seq.) of chapter 12A of this title. For complete classification of this Act to the Code, see section 618 of this title and Tables.

act Apr. 11, 1956, ch. 20370 Stat. 105section 620 of this titleThe Colorado River Storage Project Act, referred to in subsec. (a), is , , which is classified generally to chapter 12B (§ 620 et seq.) of this title. For complete classification of this Act to the Code, see Short Title note set out under and Tables.

Termination of Reporting Requirements

section 3003 of Pub. L. 104–66section 1113 of Title 31For termination, effective , of provisions in subsec. (b)(1) of this section relating to the requirement that the Secretary transmit a report to Congress every five years, see , as amended, set out as a note under , Money and Finance, and the 9th item on page 114 of House Document No. 103–7.