N.M. Stat. § 73-10-24
In case the volume of water in any canal, reservoir or other works in any district shall not be sufficient to supply the continual wants of the entire district and susceptible of irrigation therefrom, then it shall be the duty of the board of directors to distribute all available water upon certain or alternate days to different localities, as they may in their judgment think best for the interests of all parties concerned.
Provided: that all water the right to the use of which is acquired by the district under any contract with the United States, shall be distributed and apportioned by the district in accordance with the acts of congress, and rules and regulations of the secretary of interior and provisions of such contract in relation thereto.
NMS § 73-10-24