The Arizona Revised Statutes have been updated to include the revised sections from the 56th Legislature, 1st Regular Session. Please note that the next update of this compilation will not take place until after the conclusion of the 56th Legislature, 2nd Regular Session, which convenes in January 2024.
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This online version of the Arizona Revised Statutes is primarily maintained for legislative drafting purposes and reflects the version of law that is effective on January 1st of the year following the most recent legislative session. The official version of the Arizona Revised Statutes is published by Thomson Reuters.
45-156 - Legislative authorization for appropriation of water to generate power
45-156. Legislative authorization for appropriation of water to generate power
A. An application for appropriation of waters of a stream within the state for generating electric energy in excess of twenty-five thousand horsepower, or an application for a permit to build a dam for generating hydroelectric energy on a stream within the state in excess of twenty-five thousand horsepower, shall not be approved or granted unless authorized by an act of the legislature.
B. Except as otherwise prescribed by this section, a change in the use of water appropriated for domestic, municipal or irrigation uses shall not be made without approval of the director, and if the change contemplates generating hydroelectric energy or power of over twenty-five thousand horsepower, approval shall not be granted unless authorized by an act of the legislature.
C. The provisions of subsections A and B of this section requiring legislative authorization for the appropriation or use of water to generate electric energy in excess of twenty-five thousand horsepower and for the building of a dam for generating hydroelectric energy in excess of twenty-five thousand horsepower shall not apply to the generation of electricity by facilities constructed prior to January 1, 1985 as part of a federally authorized reclamation project or by an agricultural improvement district organized pursuant to title 48, chapter 17.
D. Subsection C of this section shall not affect the priority dates for facilities constructed prior to January 1, 1985, or the following components and appurtenant works: