Colo. Rev. Stat. § 37-41-149
If a majority of the resident freeholders, representing a majority of the number of acres of the irrigable land in any irrigation district organized under this article, shall petition the board of directors to call a special election for the purpose of submitting to the qualified electors of said irrigation district a proposition to vote on the dissolution of said irrigation district, setting forth in said petition that all bills and claims of every nature whatsoever have been fully satisfied and paid, it is the duty of said directors, if they are satisfied that all claims and bills have been fully satisfied, to call an election, setting forth the object of the said election, and to cause notice of said election to be published in some newspaper in each of the counties in which said district is located, for a period of thirty days prior to said election, setting forth the time and place for holding said election in each of the three voting precincts in said district. It is also the duty of the directors to prepare ballots to be used at said election on which shall be written or printed the words: "For Dissolution - Yes", and "For Dissolution - No".
C.R.S. § 37-41-149