Wyo. Stat. § 41-3-504
Said division superintendent shall have authority to order, in writing, the construction of suitable ditches to carry the return waters from any ditch or lands to the main stream or proper waste way; he shall have the authority, and it shall be his duty, to close or cause to be closed the headgate of any person, persons or corporation so ordered, until such time as said order is complied with; he shall have authority to instruct the water commissioners in his division to brand, number or mark the headgate of any and all canals, ditches, laterals and reservoir outlets in such manner that the owner or owners of said canals, ditches, laterals or reservoir outlets may be readily determined; he shall, in the distribution of water, be governed by the provisions of law relating to water rights, but for the better discharge of his duties, he shall have authority to make such other regulations to secure the equal and fair distribution of water in accordance with the rights of priority of appropriation as may, in his judgment, be needed in his division; provided, such regulations shall not be in violation of the laws of the state, but shall be merely supplementary to and necessary to enforce the provisions of the general laws and amendments thereto.
W.S. 41-3-504