[Federal reclamation projects unaffected.]

Except as provided in Sections 15 and 22 [72-5-33 and 19-7-26 NMSA 1978] of this act nothing herein shall be construed as applying to or in any way affecting any federal reclamation project heretofore or hereafter constructed pursuant to the act of congress approved June 17, 1902, known as the Federal Reclamation Act, or acts amendatory thereof or supplementary thereto.