NRS 533.085: Vested rights to water not impaired.

1. Nothing contained in this chapter shall impair the vested right of any person to the use of water, nor shall the right of any person to take and use water be impaired or affected by any of the provisions of this chapter where appropriations have been initiated in accordance with law prior to March 22, 1913.

2. Any and all appropriations based upon applications and permits on file in the Office of the State Engineer on March 22, 1913, shall be perfected in accordance with the laws in force at the time of their filing.