037-4 Wyo. Code R. § 4-2
(a) "W.S. § 41-3-902. Spring waters; perfection of right to use; limitation. All springs and spring waters where the yield does not exceed twenty-five (25) gallons per minute and where the use is for domestic or stock purposes only, shall be considered as groundwater. Perfection of the right to use spring water up to twenty-five (25) gallons per minute for domestic and stock use shall be made in accordance with the laws pertaining to groundwater"
(b) Developed spring flow that is 25 gallons per minute or less and is utilized for stock and/or domestic use is to be permitted with the State Engineer underground water permitting procedures. Developed spring flow in excess of 25 gallons per minute, or for uses other than domestic or stock watering, must be permitted under State Engineer's Office surface water permitting procedures. For the purposes of water right permitting, springs or seeps shall be improved or perfected by some artificial means of collection and/or conveyance. Springs with no artificial means of collection and/or conveyance cannot be claimed nor permitted under State of Wyoming water laws. Accepted means of spring development can range from simple piping to an impoundment, to spring box collection and associated delivery systems. If the spring is a domestic source of drinking water, setback allowances from contaminant sources should be employed the same as for well siting and protection for entrance of animals or other foreign material shall be provided.
037-4 Wyo. Code R. § 4-2