Wyo. Stat. § 41-3-614: Well, headgate or waterbox; prohibited acts; penalty for violation.

It shall be unlawful for any person to willfully use or possess water which has been lawfully denied by the water commissioner or other competent authority or to open, close, change or interfere with any well, pump, reservoir outlet valve, dam, diversion, headgate or waterbox without authority. Any violation of this section shall be punishable pursuant to W.S. 41-3-616.