Wyo. Stat. § 41-3-319
Each owner of a share or shares of the capital stock in an incorporated ditch company existing for the purpose of distributing water through such company's ditch to the owners of such stock, shall have the right to carry, convey and transmit reservoir water, supplementing other water rights he may possess, through the ditch of such ditch company in which he may have such stock, to the full extent of the carrying capacity represented by such stock, but no greater. Each partner in a partnership ditch owned or used for a like purpose, shall have the right to carry, convey and transmit reservoir water, supplementing other water rights he may possess, through such partnership ditch, to the full extent of the carrying capacity represented by his interest, as a partner, in such ditch, but no greater. Every such person carrying, conveying and transmitting water through such ditch, or having the same done for his benefit, shall pay all expenses incurred by reason of all extra labor in cleaning such ditch, change of division boxes, and other additional expenses made necessary by reason of carrying such reservoir water through any such ditch. The right herein granted to any person, shall also extend to the owner, manager or lessee of a reservoir, who desires to use any such ditch to carry, convey or transmit water through such ditch for the benefit of any such person to whom the right herein mentioned has been granted as aforesaid.
W.S. 41-3-319