Wyo. Stat. § 30-5-121
The use, consumption, burning or escape into the atmosphere of natural gas taken or drawn from any natural gas well or wells, or borings from which natural gas is produced for the products where such natural gas is burned, consumed or otherwise wasted without the heat therein contained being fully and actually applied and utilized for other manufacturing purposes or domestic purposes is hereby declared to be a wasteful and extravagant use of natural gas and it shall be unlawful to allow or permit such natural gas to pollute or contaminate the atmosphere to such an extent that injury or damage is sustained by growing crops, vegetation, livestock, wildlife, or domestic fowls, or to such an extent that the human health, welfare, or safety is in anywise impaired or damaged.
W.S. 30-5-121