A 2003 amendment to section 533.3702 of the Nevada Revised Statutes, empowering the State Engineer to postpone taking action on water appropriation applications “[for] municipal use,” applies retroactively to applications filed within one year of the 2003 amendment and does not apply to applications filed more than one year prior the amendment.
VanMeetren, Jason, "Summary of Great Basin Water Network v. State Eng’r, 126 Nev. Adv. Op. No. 2" (2010). Nevada Supreme Court Summaries. 334.