Utah Code § 73-18a-11: Regulation by political subdivisions prohibited -- Exception.

Through the passage of this chapter, the state fully reserves to itself the exclusive right to establish requirements concerning the disposal of human body waste and litter from a vessel. To ensure statewide uniformity of the disposal of litter or human body waste from a vessel, regulation, other than the adoption for local enforcement of state rules, by any political subdivision of the state is prohibited.