MISSOURI RIVER EXISTING FEATURES PROTECTION.

SEC. 1125. MISSOURI RIVER EXISTING FEATURES PROTECTION. (a) In General.—Before carrying out a covered action with respect to a covered in-river feature, the Secretary shall perform an analysis to identify whether such action will— (1) contribute to adverse effects of increased water levels during flood events adjacent to the covered in-river feature; (2) increase risk of flooding on commercial and residential structures and critical infrastructure adjacent to the covered in-river feature; (3) decrease water levels during droughts adjacent to the covered in-river feature; (4) affect the navigation channel, including crossflows, velocity, channel depth, and channel width, adjacent to the covered in-river feature; (5) contribute to bank erosion on private lands adjacent to the covered in-river feature; (6) affect the operation of ports or harbors adjacent to the covered in-river feature; or (7) affect harvesting of sand adjacent to the covered in-river feature. (b) Mitigation.—If the Secretary determines that a covered action will result in an outcome described in subsection (a), the Secretary shall mitigate such outcome. (c) Savings Clause.—Nothing in this section may be construed to affect the requirements of section 906 of the Water Resources Development Act of 1986 (33 U.S.C. 2283). (d) Definitions.—In this section: (1) Covered action.—The term “covered action” means the construction of, modification of, operational changes to, or implementation of a covered in-river feature. (2) Covered in-river feature.—The term “covered in-river feature” means in-river features on the Missouri River used to create and maintain dike notches, chutes, and complexes for interception or rearing authorized pursuant to section 601(a) of the Water Resources Development Act of 1986 (100 Stat. 4143; 113 Stat. 306; 121 Stat. 1155) and section 334 of the Water Resources Development Act of 1999 (113 Stat. 306; 136 Stat. 3799).