Utah Code § 17B-1-1104: Pledge of revenues to pay for bonds.

Bonds may be payable from and secured by the pledge of all or any specified part of:

(1) the revenues to be derived by the special district from providing its services and from the operation of its facilities and other properties;

(2) sales and use taxes, property taxes, and other taxes;

(3) federal, state, or local grants;

(4) in the case of special assessment bonds, the special assessments pledged to repay the special assessment bonds; and

(5) other money legally available to the district.