Wyo. Stat. § 41-3-324: Deeds and leases for water rights; execution and recording.

All deeds for reservoir water and water rights and all leases of the same for periods of three (3) years or more shall be executed and acknowledged as deeds are executed, and shall be recorded in the office of the county clerk of the county in which the reservoir is situated and also filed in the office of the state engineer. All leases of such water and water rights for a period less than three (3) years shall be in writing and filed in the office of the state engineer.