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43 U.S.C. § 1521 — Central Arizona Project
Federal law — U.S. Code and appendices · legal_authorities
Page 400
TITLE 43—PUBLIC LANDS
§ 1512
sources of the western United States authorized
by the Colorado River Basin Project Act [43
U.S.C. 1501 et seq.].
(Pub. L. 91–611, title II, § 203, Dec. 31, 1970, 84
Stat. 1828.)
Editorial Notes
REFERENCES IN TEXT
The Colorado River Basin Project Act, referred to in
text, is Pub. L. 90–537, Sept. 30, 1968, 82 Stat. 885, which
is classified principally to this chapter. For complete
classification of this Act to the Code, see Short Title
note set out under section 1501 of this title and Tables.
CODIFICATION
Section was not enacted as part of the Colorado River
Basin Project Act which comprises this chapter.
§ 1512. Mexican Water Treaty
The Congress declares that the satisfaction of
the requirements of the Mexican Water Treaty
from the Colorado River constitutes a national
obligation which shall be the first obligation of
any water augmentation project planned pursu-
ant to section 1511 of this title and authorized
by the Congress. Accordingly, the States of the
Upper Division (Colorado, New Mexico, Utah,
and Wyoming) and the States of the Lower Divi-
sion (Arizona, California, and Nevada) shall be
relieved from all obligations which may have
been imposed upon them by article III(c) of the
Colorado River Compact so long as the Sec-
retary shall determine and proclaim that means
are available and in operation which augment
the water supply of the Colorado River system
in such quantity as to satisfy the requirements
of the Mexican Water Treaty together with any
losses of water associated with the performance
of that treaty: Provided, That the satisfaction of
the requirements of the Mexican Water Treaty
(Treaty Series 994, 59 Stat. 1219), shall be from
the waters of the Colorado River pursuant to the
tre
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Page 400
TITLE 43—PUBLIC LANDS
§ 1512
sources of the western United States authorized
by the Colorado River Basin Project Act [43
U.S.C. 1501 et seq.].
(Pub. L. 91–611, title II, § 203, Dec. 31, 1970, 84
Stat. 1828.)
Editorial Notes
REFERENCES IN TEXT
The Colorado River Basin Project Act, referred to in
text, is Pub. L. 90–537, Sept. 30, 1968, 82 Stat. 885, which
is classified principally to this chapter. For complete
classification of this Act to the Code, see Short Title
note set out under section 1501 of this title and Tables.
CODIFICATION
Section was not enacted as part of the Colorado River
Basin Project Act which comprises this chapter.
§ 1512. Mexican Water Treaty
The Congress declares that the satisfaction of
the requirements of the Mexican Water Treaty
from the Colorado River constitutes a national
obligation which shall be the first obligation of
any water augmentation project planned pursu-
ant to section 1511 of this title and authorized
by the Congress. Accordingly, the States of the
Upper Division (Colorado, New Mexico, Utah,
and Wyoming) and the States of the Lower Divi-
sion (Arizona, California, and Nevada) shall be
relieved from all obligations which may have
been imposed upon them by article III(c) of the
Colorado River Compact so long as the Sec-
retary shall determine and proclaim that means
are available and in operation which augment
the water supply of the Colorado River system
in such quantity as to satisfy the requirements
of the Mexican Water Treaty together with any
losses of water associated with the performance
of that treaty: Provided, That the satisfaction of
the requirements of the Mexican Water Treaty
(Treaty Series 994, 59 Stat. 1219), shall be from
the waters of the Colorado River pursuant to the
treaties, laws, and compacts presently relating
thereto, until such time as a feasibility plan
showing the most economical means of aug-
menting the water supply available in the Colo-
rado River below Lee Ferry by two and one-half
million acre-feet shall be authorized by the Con-
gress and is in operation as provided in this
chapter.
(Pub. L. 90–537, title II, § 202, Sept. 30, 1968, 82
Stat. 887.)
Editorial Notes
REFERENCES IN TEXT
This chapter, referred to in text, was in the original
‘‘this Act’’, meaning Pub. L. 90–537, Sept. 30, 1968, 82
Stat. 885, 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 section
1501 of this title and Tables.
§ 1513. Importation of water; protection of ex-
porting areas
(a) In the event that the Secretary shall, pur-
suant to section 1511 of this title, plan works to
import water into the Colorado River system
from sources outside the natural drainage areas
of the system, he shall make provision for ade-
quate and equitable protection of the interests
of the States and areas of origin, including as-
sistance from funds specified in this chapter, to
the end that water supplies may be available for
use in such States and areas of origin adequate
to satisfy their ultimate requirements at prices
to users not adversely affected by the expor-
tation of water to the Colorado River system.
(b) All requirements, present or future, for
water within any State lying wholly or in part
within the drainage area of any river basin from
which water is exported by works planned pursu-
ant to this chapter shall have a priority of right
in perpetuity to the use of the waters of that
river basin, for all purposes, as against the uses
of the water delivered by means of such expor-
tation works, unless otherwise provided by
interstate agreement.
(Pub. L. 90–537, title II, § 203, Sept. 30, 1968, 82
Stat. 887.)
Editorial Notes
REFERENCES IN TEXT
This chapter, referred to in text, was in the original
‘‘this Act’’, meaning Pub. L. 90–537, Sept. 30, 1968, 82
Stat. 885, 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 below and Ta-
bles.
§ 1514. Authorization of appropriations
There are authorized to be appropriated such
sums as are required to carry out the purposes
of this subchapter.
(Pub. L. 90–537, title II, § 204, Sept. 30, 1968, 82
Stat. 887.)
SUBCHAPTER III—AUTHORIZED UNITS;
PROTECTION OF EXISTING USES
§ 1521. Central Arizona Project
(a) Construction and operation; Hayden-Rhodes
Aqueduct and pumping plants; Orme Dam
and Reservoir; Buttes Dam and Reservoir;
Hooker Dam and Reservoir; Charleston Dam
and Reservoir; Tucson aqueducts and pump-
ing plants; Fannin-McFarland Aqueduct; re-
lated and appurtenant works
For the purposes of furnishing irrigation water
and municipal water supplies to the water-defi-
cient areas of Arizona and western New Mexico
through direct diversion or exchange of water,
control of floods, conservation and development
of fish and wildlife resources, enhancement of
recreation opportunities, and for other purposes,
the Secretary shall construct, operate, and
maintain the Central Arizona Project, con-
sisting of the following principal works: (1) a
system of main conduits and canals, including a
main canal and pumping plants (Hayden-Rhodes
Aqueduct and pumping plants), for diverting and
carrying water from Lake Havasu to Orme Dam
Page 401
TITLE 43—PUBLIC LANDS
§ 1522
or suitable alternative, which system may have
a capacity of 3,000 cubic feet per second or what-
ever lesser capacity is found to be feasible: Pro-
vided, That any capacity in the Hayden-Rhodes
Aqueduct in excess of 2,500 cubic feet per second
shall be utilized for the conveyance of Colorado
River water only when Lake Powell is full or re-
leases of water are made from Lake Powell to
prevent the reservoir from exceeding elevation
3,700 feet above mean sea level or when releases
are made pursuant to the proviso in section
1552(a)(3) of this title: Provided further, That the
costs of providing any capacity in excess of 2,500
cubic feet per second shall be repaid by those
funds available to Arizona pursuant to the pro-
vision of section 1543(f) of this title, or by funds
from sources other than the development fund;
(2) Orme Dam and Reservoir and power pumping
plant or suitable alternative; (3) Buttes Dam
and Reservoir, which shall be so operated as not
to prejudice the rights of any user in and to the
waters of the Gila River as those rights are set
forth in the decree entered by the United States
District Court for the District of Arizona on
June 29, 1935, in United States against Gila Val-
ley Irrigation District and others (Globe Equity
Numbered 59); (4) Hooker Dam and Reservoir or
suitable alternative, which shall be constructed
in such a manner as to give effect to the provi-
sions of subsection (f) of section 1524 of this
title; (5) Charleston Dam and Reservoir; (6) Tuc-
son aqueducts and pumping plants; (7) Fannin-
McFarland Aqueduct; (8) related canals, regu-
lating facilities, hydroelectric powerplants, and
electric transmission facilities required for the
operation of said principal works; (9) related
water distribution and drainage works; and (10)
appurtenant works.
(b) Limitation on water diversions in years of in-
sufficient main stream Colorado River water
Article II(B)(3) of the decree of the Supreme
Court of the United States in Arizona against
California (376 U.S. 340) shall be so administered
that in any year in which, as determined by the
Secretary, there is insufficient main stream Col-
orado River water available for release to sat-
isfy annual consumptive use of seven million
five hundred thousand acre-feet in Arizona, Cali-
fornia, and Nevada, diversions from the main
stream for the Central Arizona Project shall be
so limited as to assure the availability of water
in quantities sufficient to provide for the aggre-
gate annual consumptive use by holders of
present perfected rights, by other users in the
State of California served under existing con-
tracts with the United States by diversion
works heretofore constructed, and by other ex-
isting Federal reservations in that State, of four
million four hundred thousand acre-feet of
mainstream water, and by users of the same
character in Arizona and Nevada. Water users in
the State of Nevada shall not be required to bear
shortages in any proportion greater than would
have been imposed in the absence of this sub-
section. This subsection shall not affect the rel-
ative priorities, among themselves, of water
users in Arizona, Nevada, and California which
are senior to diversions for the Central Arizona
Project, or amend any provisions of said decree.
(c) Augmentation of water supply of Colorado
River system
The limitation stated in subsection (b) of this
section shall not apply so long as the Secretary
shall determine and proclaim that means are
available and in operation which augment the
water supply of the Colorado River system in
such quantity as to make sufficient mainstream
water available for release to satisfy annual
consumptive use of seven million five hundred
thousand acre-feet in Arizona, California, and
Nevada.
(Pub. L. 90–537, title III, § 301, Sept. 30, 1968, 82
Stat. 887; Pub. L. 100–345, § 2(b), June 24, 1988, 102
Stat. 643; Pub. L. 102–575, title XIII, § 1302, Oct.
30, 1992, 106 Stat. 4662.)
Editorial Notes
AMENDMENTS
1992—Subsec. (a)(7). Pub. L. 102–575 substituted
‘‘Fannin-McFarland Aqueduct’’ for ‘‘Salt-Gila aque-
ducts’’.
1988—Subsec. (a)(1). Pub. L. 100–345 substituted ‘‘Hay-
den-Rhodes Aqueduct’’ for ‘‘Granite Reef aqueduct’’ in
two places.
Statutory Notes and Related Subsidiaries
DESIGNATION OF SALT-GILA AQUEDUCT AS FANNIN-
MCFARLAND AQUEDUCT
Sections 1301 and 1302 of Pub. L. 102–575 provided that:
‘‘SEC. 1301. DESIGNATION.
‘‘The Salt-Gila Aqueduct of the Central Arizona
Project, constructed, operated, and maintained under
section 301(a)(7) of the Colorado River Basin Project
Act (43 U.S.C. 1521(a)(7)), hereafter shall be known and
designated as the ‘Fannin-McFarland Aqueduct’.
‘‘SEC. 1302. REFERENCES.
‘‘Any reference in any law, regulation, document,
record, map, or other paper of the United States to the
aqueduct referred to in section 1301 hereby is deemed to
be a reference to the ‘Fannin-McFarland Aqueduct’.’’
DESIGNATION OF GRANITE REEF AQUEDUCT AS HAYDEN-
RHODES AQUEDUCT
Pub. L. 100–345, § 2, June 24, 1988, 102 Stat. 643, pro-
vided that:
‘‘(a) The Granite Reef Aqueduct of the Central Ari-
zona project, constructed, operated, and maintained
under section 301(a)(1) of the Colorado River Basin
[Project] Act (43 U.S.C. 1521(a)(1)), hereafter shall be
known and designated as the ‘Hayden-Rhodes Aque-
duct’.
‘‘(b) Any reference in any law, regulation, document,
record, map, or other paper of the United States to the
aqueduct referred to in subsection (a) hereby is deemed
to be a reference to the ‘Hayden-Rhodes Aqueduct’.’’
§ 1522. Orme Dam and Reservoir
(a) Acquisition of lands of Salt River Pima-Mari-
copa Indian Community and Fort McDowell-
Apache Indian Community; relocation; emi-
nent domain
The Secretary shall designate the lands of the
Salt River Pima-Maricopa Indian Community,
Arizona, and the Fort McDowell-Apache Indian
Community, Arizona, or interests therein, and
any allotted lands or interests therein within
said communities which he determines are nec-
essary for use and occupancy by the United
States for the construction, operation, and
Cross-references
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Federal law — U.S. Code and appendices · legal_authorities
**(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.
Source: Supplied U.S. Code snapshot — release unconfirmed · 43 U.S.C. § 1501
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Federal law — U.S. Code and appendices · legal_authorities
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.
Source: Supplied 2024 U.S. Code historical extraction · 43 U.S.C. § 1501
Stored review status: historical_2024_not_currentness_verified. The source passage cites 43 U.S.C. § 1501. This identifies an authority to review, not proof of applicability.
Federal law — U.S. Code and appendices · legal_authorities
**(a) Construction and operation; Hayden-Rhodes Aqueduct and pumping plants; Orme Dam and Reservoir; Buttes Dam and Reservoir; Hooker Dam and Reservoir; Charleston Dam and Reservoir; Tucson aqueducts and pumping plants; Fannin-McFarland Aqueduct; related and appurtenant works** For the purposes of furnishing irrigation water and municipal water supplies to the water-deficient areas of Arizona and western New Mexico through direct diversion or exchange of water, control of floods, conservation and development of fish and wildlife resources, enhancement of recreation opportunities, and for other purposes, the Secretary shall construct, operate, and maintain the Central Arizona Project, consisting of the following principal works: (1) a system of main conduits and canals, including a main canal and pumping plants (Hayden-Rhodes Aqueduct and pumping plants), for diverting and carrying water from Lake Havasu to Orme Dam or suitable alternative, which system may have a capacity of 3,000 cubic feet per second or whatever lesser capacity is found to be feasible: Provided, That any capacity in the Hayden-Rhodes Aqueduct in excess of 2,500 cubic feet per second shall be utilized for the conveyance of Colorado River water only when Lake Powell is full or releases of water are made from Lake Powell to prevent the reservoir from exceeding elevation 3,700 feet above mean sea level or when releases are made pursuant to the proviso in [section 1552(a)(3) of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title43-section1552/a/3&num=0&edition=prelim): Provided further, That the costs of providing any capacity in excess of 2,500 cubic feet per second shall be repaid by those funds available to Arizona pursuant to the provision of [section 1543(f) of this title](h
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