Utah Code Title 72. Transportation Code § 72-10-203. Department and counties, municipalities, and airport authorities authorized to acquire and regulate airports

(1) The department and municipalities, counties, and airport authorities may acquire, establish, construct, expand, own, lease, control, equip, improve, maintain, operate, regulate, and police airports for the use of aircraft and may use for these purposes any available property that is owned or controlled by the department or by a municipality, county, or airport authority.

(2) A county may not exercise the authority conferred in this section outside of its geographical limits except jointly with an adjoining county.