Iowa Code § 468.382
In the event that any building or other structure, or any ditch is constructed, altered or maintained, or any earth removed in violation of any provisions of this part, the governing board of said drainage or levee district with pumping stations maintaining said levee, may institute an appropriate action or proceeding to prevent such unlawful construction, alteration, or maintenance, or earth removal and to restrain, correct, or abate such violation, and may by petition duly verified, setting forth the facts, apply to the district court for an order enjoining all persons, firms or corporations from such construction, alteration, maintenance, or earth removal, until the entry of the final judgment or order.
Iowa Code § 468.382
89 Acts, ch 126, §2