Revenues used for operation, maintenance, and construction.

Iowa Code § 468.129, under LEVEE AND DRAINAGE DISTRICTS AND IMPROVEMENTS.

Iowa Code § 468.129

Levee and drainage districts may realize income from incidental uses of their improvements and rights-of-way which are not injurious to same or incompatible with the purposes of the district. Revenues derived therefrom may be expended for operating, maintenance or construction costs of the district as its governing body may elect. [C54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §455.138 ] 89 Acts, ch 126, §2 CS89, §468.129