Nev. Rev. Stat. § 541.180
1. To levy and collect special assessments under class B as herein provided, the board shall make an allotment of water to each petitioning municipality in the district in the manner hereinafter provided, in such quantity as will in the judgment of the board, when added to the then present supply of water of such municipality, make an adequate supply for such municipality, and shall fix and determine the rate or rates per acre-foot, and terms at and upon which such water shall be sold, leased or otherwise disposed of, for use by such municipalities; but such rates shall be equitable although not necessarily equal or uniform for like classes of services throughout the district. If any city, city and county, or town shall desire to purchase, lease, or otherwise obtain the beneficial use of waters of the district for domestic or irrigation purposes, the legislative body of such municipality shall by ordinance authorize and direct its mayor and clerk to petition the board for an allotment of water, upon terms prescribed by the board, which petition shall contain, inter alia, the following:
[18:380:1955]