Utah Code § 10-8-85.11
§ 10-8-85.11. Golf courses -- Limitations on municipal ordinances restricting golf course maintenance.
(1) As used in this section: (a) "Golf course" means: (i) a privately owned golf course that is located, in whole or in part, within municipal boundaries; or (ii) a golf course located, in whole or in part, within municipal boundaries, that is owned by a county, municipality, or other governmental entity. (b) "Maintenance operations" means mowing or trimming grass as part of the routine upkeep of golf course grounds. (2) Except as provided in Subsection (3), a municipality may not enact or enforce an ordinance that prohibits a golf course from conducting maintenance operations between the hours of 5:30 a.m. and 10 p.m. (3) A municipality may prohibit or restrict maintenance operations at a golf course at any time if the golf course is owned by the municipality.