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43 U.S.C. § 1600g — Priority of laws

Federal law — U.S. Code and appendices · legal_authorities

43 U.S.C. § 1600g — Priority of laws

Nothing contained in this chapter shall be construed to alter, amend, repeal, modify, interpret, or be in conflict with the provisions of the Colorado River Compact (45 Stat. 1057), the Upper Colorado River Basin Compact (63 Stat. 31), the Water Treaty of 1944 with the United Mexican States (Treaty Series 944, 59 Stat. 1219), the Flood Control Act of 1944 (58 Stat. 887), the decree entered by the Supreme Court of the United States in Arizona v. California, and others (376 U.S. 340), the Boulder Canyon Project Act (45 Stat. 1057) [[43 U.S.C. 617](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section617&num=0&edition=prelim) et seq.], the Boulder Canyon Project Adjustment Act (54 Stat. 774; [43 U.S.C. 618a](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section618a&num=0&edition=prelim)) [[43 U.S.C. 618](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section618&num=0&edition=prelim) et seq.], the Colorado River Storage Project Act (70 Stat. 105; [43 U.S.C. 620](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section620&num=0&edition=prelim)) [[43 U.S.C. 620](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section620&num=0&edition=prelim) et seq.], the Colorado River Basin Project Act (82 Stat. 885; [43 U.S.C. 1501](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section1501&num=0&edition=prelim)) [[43 U.S.C. 1501](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section1501&num=0&edition=prelim) et seq.]. Furthermore, nothing contained in this chapter shall be construed as indicating an intent on the part of the Congress to change the existing relationship of other Federal laws to the law of a State, or a political subdivisi

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Source location: Title 43, Chapter 32B, § 1600g; chapter-32b-colorado-river-floodway.md

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Federal law — U.S. Code and appendices · legal_authorities

43 U.S.C. § 618a — Receipts from project; disposition

All receipts from the project shall be paid into the Colorado River Dam Fund and shall be available, without further appropriation, for: **(a) Defraying operating expenses** Defraying the costs of operation (including purchase of supplemental energy to meet temporary deficiencies in firm energy which the Secretary of Energy is obligated by contract to supply), maintenance and replacements of, and emergency expenditures for, all facilities of the project, within such separate limitations as may be included in annual appropriations Acts; **(b) Repayment of cost of construction** Repayment to the Treasury, with interest (after making provision for the payments and transfers provided in subdivisions (c) and (d) hereof), of advances to the Colorado River Dam Fund for the construction of the project (excluding the amount allocated to flood control by section 2(b) of the Project Act [[43 U.S.C. 617a(b)](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section617a/b&num=0&edition=prelim)]), and any readvances made to said fund under [section 618d of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section618d&num=0&edition=prelim); and **(c) Commutation payments to Arizona and Nevada** Payment subject to the provisions of [section 618b of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section618b&num=0&edition=prelim), in commutation of the payments now provided for the States of Arizona and Nevada in section 4(b) of the Project Act [[43 U.S.C. 617c(b)](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section617c/b&num=0&edition=prelim)] to each of said States of the sum of $300,000 for each year of operation, beginning with the year of operation ending May 31, 1938, and

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Federal law — U.S. Code and appendices · legal_authorities

43 U.S.C. § 1501 — Congressional declaration of purpose and policy

**(a)** It is the object of this chapter to provide a program for the further comprehensive development of the water resources of the Colorado River Basin and for the provision of additional and adequate water supplies for use in the upper as well as in the lower Colorado River Basin. This program is declared to be for the purposes, among others, of regulating the flow of the Colorado River; controlling floods; improving navigation; providing for the storage and delivery of the waters of the Colorado River for reclamation of lands, including supplemental water supplies, and for municipal, industrial, and other beneficial purposes; improving water quality; providing for basic public outdoor recreation facilities; improving conditions for fish and wildlife, and the generation and sale of electrical power as an incident of the foregoing purposes. **(b)** It is the policy of the Congress that the Secretary of the Interior (hereinafter referred to the “Secretary”) shall continue to develop, after consultation with affected States and appropriate Federal agencies, a regional water plan, consistent with the provisions of this chapter and with future authorizations, to serve as the framework under which projects in the Colorado River Basin may be coordinated and constructed with proper timing to the end that an adequate supply of water may be made available for such projects, whether heretofore, herein, or hereafter authorized.

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Federal law — U.S. Code and appendices · legal_authorities

43 U.S.C. § 617 — Colorado River Basin; protection and development; dam, reservoir, and incidental works; water, water power, and electrical energy; eminent domain

For the purpose of controlling the floods, improving navigation, and regulating the flow of the Colorado River, providing for storage and for the delivery of the stored waters thereof for reclamation of public lands and other beneficial uses exclusively within the United States, and for the generation of electrical energy as a means of making the project herein authorized a self-supporting and financially solvent undertaking, the Secretary of the Interior subject to the terms of the Colorado River compact hereinafter mentioned in this chapter, is authorized to construct, operate, and maintain a dam and incidental works in the main stream of the Colorado River at Black Canyon or Boulder Canyon adequate to create a storage reservoir of a capacity of not less than twenty million acre-feet of water and a main canal and appurtenant structures located entirely within the United States connecting the Laguna Dam, or other suitable diversion dam, which the Secretary of the Interior is authorized to construct if deemed necessary or advisable by him upon engineering or economic considerations, with the Imperial and Coachella Valleys in California, the expenditures for said main canal and appurtenant structures to be reimbursable, as provided in the reclamation law, and shall not be paid out of revenues derived from the sale or disposal of water power or electric energy at the dam authorized to be constructed at said Black Canyon or Boulder Canyon, or for water for potable purposes outside of the Imperial and Coachella Valleys: Provided, however, That no charge shall be made for water for the use, storage, or delivery of water for irrigation or water for potable purposes in the Imperial or Coachella Valleys; also to construct and equip, operate, and maintain at or near said dam, or

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Federal law — U.S. Code and appendices · legal_authorities

43 U.S.C. § 390 — Utilization of dams and reservoir projects for irrigation purposes; additional construction; necessity of authorization; apportionment of cost; limitation

On and after December 22, 1944, whenever the Secretary of the Army determines, upon recommendation by the Secretary of the Interior that any dam and reservoir project operated under the direction of the Secretary of the Army may be utilized for irrigation purposes, the Secretary of the Interior is authorized to construct, operate, and maintain, under the provisions of the Federal reclamation laws (Act of June 17, 1902, 32 Stat. 388, and Acts amendatory thereof or supplementary thereto), such additional works in connection therewith as he may deem necessary for irrigation purposes. Such irrigation works may be undertaken only after a report and findings thereon have been made by the Secretary of the Interior as provided in said Federal reclamation laws and after subsequent specific authorization of the Congress by an authorization Act; and, within the limits of the water users’ repayment ability such report may be predicated on the allocation to irrigation of an appropriate portion of the cost of structures and facilities used for irrigation and other purposes. Dams and reservoirs operated under the direction of the Secretary of the Army may be utilized after December 22, 1944, for irrigation purposes only in conformity with the provisions of this section, but the foregoing requirement shall not prejudice lawful uses now existing: Provided, That this section shall not apply to any dam or reservoir heretofore constructed in whole or in part by the Army engineers, which provides conservation storage of water for irrigation purposes. In the case of any reservoir project constructed and operated by the Corps of Engineers, the Secretary of the Army is authorized to allocate water which was allocated in the project purpose for municipal and industrial water supply and which is

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Federal law — U.S. Code and appendices · legal_authorities

43 U.S.C. § 620 — Upper Colorado River Basin; purpose of development of water resources; initial units; construction of Wayne N. Aspinall unit contingent upon certification; participating projects; Rainbow Bridge National Monument

In order to initiate the comprehensive development of the water resources of the Upper Colorado River Basin, for the purposes, among others, of regulating the flow of the Colorado River, storing water for beneficial consumptive use, making it possible for the States of the Upper Basin to utilize, consistently with the provisions of the Colorado River Compact, the apportionments made to and among them in the Colorado River Compact and the Upper Colorado River Basin Compact, respectively, providing for the reclamation of arid and semiarid land, for the control of floods, and for the generation of hydroelectric power, as an incident of the foregoing purposes, the Secretary of the Interior is authorized (1) to construct, operate, and maintain the following initial units of the Colorado River storage project, consisting of dams, reservoirs, powerplants, transmission facilities and appurtenant works: Wayne N. Aspinall, Flaming Gorge, Navajo (dam and reservoir only), and Glen Canyon: Provided, That the Wayne N. Aspinall Dam shall be constructed to a height which will impound not less than nine hundred and forty thousand acre-feet of water or will create a reservoir of such greater capacity as can be obtained by a high waterline located at seven thousand five hundred and twenty feet above mean sea level, and that construction thereof shall not be undertaken until the Secretary has, on the basis of further engineering and economic investigations, reexamined the economic justification of such unit and, accompanied by appropriate documentation in the form of a supplemental report, has certified to the Congress and to the President that, in his judgment, the benefits of such unit will exceed its costs; and (2) to construct, operate, and maintain the following additional reclamation

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Federal law — U.S. Code and appendices · legal_authorities

43 U.S.C. § 618 — Promulgation of charges for electrical energy

The Secretary of the Interior is authorized and directed to, and he shall, promulgate charges, or the basis of computation thereof, for electrical energy generated at Hoover Dam beginning June 1, 1937, computed to be sufficient, together with other net revenues from the project, to accomplish the following purposes: **(a)** To meet the cost of operation and maintenance, and to provide for replacements, of the project beginning June 1, 1937; **(b)** To repay to the Treasury, with interest, the advances to the Colorado River Dam Fund for the project made prior to June 1, 1937, within fifty years from that date (excluding advances allocated to flood control by [section 617a(b) of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section617a/b&num=0&edition=prelim), which shall be repayable as provided in [section 618f of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section618f&num=0&edition=prelim)), and such advances made on and after June 1, 1937, over fifty-year periods; **(c)** To provide $600,000 for each of the years and for the purposes specified in [section 618a(c) of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section618a/c&num=0&edition=prelim); **(d)** To provide $500,000 for each of the years and for the purposes specified in [section 618a(d) of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section618a/d&num=0&edition=prelim); and **(e)** To provide, by application of the increments to rates specified in section 403(c)(2) of the Colorado River Basin Project Act of 1968, as amended and supplemented [[43 U.S.C. 1543(c)(2)](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section1543/c/2&num=0&edition=p

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Federal law — U.S. Code and appendices · legal_authorities

43 U.S.C. § 617t — Short title

The short title of this subchapter shall be “Boulder Canyon Project Act.”

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Federal law — U.S. Code and appendices · legal_authorities

43 U.S.C. § 1501 — Congressional declaration of purpose and

Page 398 TITLE 43—PUBLIC LANDS § 1501 documents, handbooks, standard operating pro- cedures, and statements of policy specific to the scoping, contracting, and review of appraisals performed for the Department by Federal or non-Federal covered appraisers, shall be made publicly available online and provided upon re- quest. (f) Definitions In this section: (1) Covered appraiser The term ‘‘covered appraiser’’ means a State-licensed or -certified real property ap- praiser. (2) Department The term ‘‘Department’’ means the Depart- ment of the Interior. (3) Reporting period The term ‘‘reporting period’’ means the 1- year period before the date on which a report is submitted under subsection (c). (4) Secretary The term ‘‘Secretary’’ means the Secretary of the Interior. (5) State The term ‘‘State’’ means each of the several States, the District of Columbia, and each ter- ritory and possession of the United States. (Pub. L. 118–230, § 2, Jan. 4, 2025, 138 Stat. 2826.) CHAPTER 32—COLORADO RIVER BASIN PROJECT SUBCHAPTER I—OBJECTIVES Sec. 1501. Congressional declaration of purpose and pol- icy. SUBCHAPTER II—INVESTIGATIONS AND PLANNING 1511. Reconnaissance investigations by Secretary of the Interior; reports; 10-year moratorium on water importation studies. 1511a. Cooperation and participation by Secretary of the Army with Federal, State, and local agencies. 1512. Mexican Water Treaty. 1513. Importation of water; protection of exporting areas. 1514. Authorization of appropriations. SUBCHAPTER III—AUTHORIZED UNITS; PROTECTION OF EXISTING USES 1521. Central Arizona Project. 1522. Orme Dam and Reservoir. 1523. Power requirements of Central Arizona Project and augmentation of Lower Colo- rado River Basin Development Fund. 1524.

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Federal law — U.S. Code and appendices · legal_authorities

43 U.S.C. § 1600g — Priority of laws

Page 432 TITLE 43—PUBLIC LANDS § 1600f revised by Pub. L. 100–707, Nov. 23, 1988, 102 Stat. 4689. Section 102(b) of Pub. L. 100–707 provided that a ref- erence in any other law to a provision of the Disaster Relief Act of 1974 shall be deemed to be a reference to such provision of the Robert T. Stafford Disaster Relief and Emergency Assistance Act. The Act was renamed the ‘‘Robert T. Stafford Disaster Relief and Emergency Assistance Act’’ by Pub. L. 106–390, title III, § 301, Oct. 30, 2000, 1114 Stat. 1572. Section 105(d) of Pub. L. 100–707 repealed sections 305 and 306 of the Act (42 U.S.C. 5145 and 5146) and redesignated sections 308 and 309 of the Act (42 U.S.C. 5148 and 5149), and any references there- to, as sections 305 and 306, respectively. For cor- responding provisions to former sections 305 and 306 of the Act, see sections 5170a, 5170b, and 5192 of Title 42. For complete classification of this Act to the Code, see Short Title note set out under section 5121 of Title 42 and Tables. AMENDMENTS 2014—Subsec. (e)(3). Pub. L. 113–287 substituted ‘‘chap- ter 2003 of title 54’’ for ‘‘the Land and Water Conserva- tion Fund Act of 1965 (16 U.S.C. 460l–4 through 11)’’. Statutory Notes and Related Subsidiaries CHANGE OF NAME ‘‘Administrator of the Federal Emergency Manage- ment Agency’’ substituted for ‘‘Director of the Federal Emergency Management Agency’’ in subsec. (e)(5) on authority of section 612(c) of Pub. L. 109–295, set out as a note under section 313 of Title 6, Domestic Security. Any reference to the Administrator of the Federal Emergency Management Agency in title VI of Pub. L. 109–295 or an amendment by title VI to be considered to refer and apply to the Director of the Federal Emer- gency Management Agency until Mar. 31, 2007, see

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Federal law — U.S. Code and appendices · legal_authorities

43 U.S.C. § 617 — Colorado River Basin; protection and de-

Page 209 TITLE 43—PUBLIC LANDS § 617 Sec. 618i. Effective date. 618j. Effect of refusal to modify existing contracts. 618k. Definitions. 618l. Repealed. 618m. Effect on existing laws and States’ rights. 618n. Wages of employees. 618o. Short title. 618p. Omitted. SUBCHAPTER III—HOOVER DAM CONTRACTS AND FACILITIES 619. Increase in capacity of existing generating equipment at Hoover Powerplant; construc- tion of Colorado River bridge crossing. 619a. Renewal contracts for power. 619b. Reimbursement of funds advanced by non- Federal purchasers; uprating program; re- payment requirement; visitor facilities pro- gram. Statutory Notes and Related Subsidiaries CONSOLIDATION OF CERTAIN PROJECTS; EFFECT ON THIS CHAPTER Act May 28, 1954, ch. 241, 68 Stat. 143, provided that: ‘‘For the purposes of effecting economies and in- creased efficiency in the construction, operation, and maintenance thereof and of accounting for the return of reimbursable costs, the Secretary of the Interior is authorized and directed to consolidate and administer as a single project to be known as the Parker-Davis project, Arizona-California-Nevada, the projects known as the Parker Dam power project, Arizona-California, and the Davis Dam project, Arizona-Nevada: Provided, That nothing in this Act shall be construed to alter or affect in any way the Boulder Canyon Project Act (45 Stat. 1057) [subchapter I of this chapter], the Boulder Canyon Project Adjustment Act (54 Stat. 774) [sub- chapter II of this chapter], or the treaty between the United States of America and the United Mexican States, signed at Washington on February 3, 1944, relat- ing to the utilization of the waters of the Colorado and Tijuana Rivers and of the Rio Grande from Fort Quitman, Texas, to th

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