Utah Code Ann. 53-2a-309(4)
Liability: Statewide Mutual Aid
An individual who responds to an intrastate call for assistance in Utah will not be held legally responsible for injury. They can be held legally responsible for claims involving any of the following: contractual obligations, title to real property, mortgage actions, destruction of property under a state law forfeiture action, damage to publicly-used private property without just compensation, injury caused by an unsafe condition on a roadway, walkway, or other public improvement, or injury caused by the carelessness of a state employee.
Personnel responding to requests for assistance
(4) Each responding political subdivision and its employees are immune from liability arising out of their actions in responding to a request from a requesting political subdivision to the extent provided in Section 63G-7-201.