Wyo. Stat. § 41-3-907
Appropriations of underground water for stock or domestic use, the latter being defined as household use and the watering of lawns and gardens for noncommercial family use where the area to be irrigated does not exceed one (1) acre, where the yield or flow does not exceed .056 cubic feet per second or twenty-five (25) gallons per minute, shall have a preferred right over rights for all other uses, regardless of their dates of priority, subject to the provisions of W.S. 41-3-911, as amended, if an appropriation is for two (2) or more uses, and includes one (1) of the above preferred uses, the preferred use shall be limited to .056 cubic feet per second or twenty-five (25) gallons per minute, and the application shall specify one (1) acre upon which such preferred uses shall be made. Such preferred use shall not include municipal use by any person of water appropriated by a municipality or company, or any instance where water is purchased or held out for sale.
W.S. 41-3-907