Utah Code Ann. § 73-2-25
(1) For purposes of this section, "initial order" means one of the following issued by the state engineer:
(2)
(a) Except as provided in Subsection (2)(b), the state engineer may commence an enforcement action under this section if the state engineer finds that a person:
(b) The state engineer may not commence an enforcement action against a person under Subsection (2)(a)(i), if the person directly captures, or stores, precipitation on the surface of, or under, a parcel owned or leased by the person, including in a catch basin, storm drain pipe, swell, or pond, if the collection or storage:
(iii) is designed to slow, detain, or retain storm water or protect watersheds from pollution with the intention that the precipitation:
(c) To commence an enforcement action under this section, the state engineer shall issue an initial order, which shall include:
(3) In accordance with Title 63G, Chapter 3, Utah Administrative Rulemaking Act, the state engineer shall make rules necessary to enforce an initial order, which shall include:
(c) provisions for timely issuance of a final order after:
(5) After issuance of a final order under rules made pursuant to Subsection (3)(c), the state engineer shall serve a copy of the final order on the person against whom the order is issued by:
(6)
(a) The state engineer's final order may be reviewed by trial de novo by the district court in: