Nevada Revised Statutes Title 18. State Executive Department § 228.190. Intervention or appearance in judicial or administrative proceeding concerning interstate waters, public lands or construction of dams, power plants or other structures

(a) Any action or proceeding at law or in equity which may now or hereafter be pending, when it is necessary for or incident to the purpose of establishing and determining the rights of the State of Nevada, or the residents thereof, in and to:

(b) Any action or proceeding, judicial or administrative, relative to the construction of any dam, power plant or other structure on any stream located either wholly or partly in Nevada or wholly or partly in any other state, for the purpose of flood control, irrigation, power, or for any other purpose, when it is necessary for or incident to establishing and determining the rights of the State of Nevada or the residents thereof. Any intervention or appearance of the Attorney General of the kind authorized by this paragraph which occurred prior to March 8, 1960, is hereby authorized, ratified, confirmed and approved.