NRS 328.120: State Engineer to give technical and engineering advice on water rights, reclamation, control of floods and protection of watersheds.

On matters under the provisions of NRS 328.065 to 328.135, inclusive, affecting water rights, reclamation, flood control and watershed protection, the Legislative Commission shall call upon the State Engineer for technical and engineering advice, and the water law of this state is the rule of decision in all matters relating to water rights.