; and (2) any interim actions relating to existing water resources development projects undertaken by the Secretary during the study period. 211. Upper Mississippi River Comprehensive Plan (a) Assessment The Secretary shall conduct an assessment of the water resources needs of the Upper Mississippi River under section 729 of the Water Resources Development Act of 1986 ( 33 U.S.C. 2267a ). (b) Requirements The Secretary shall carry out the assessment under subsection (a) in accordance with the requirements in section 1206(b) of Water Resources Development Act of 2016 (130 Stat. 1686). 212. Lower Missouri Basin Flood Risk and Resiliency Study, Iowa, Kansas, Nebraska, and Missouri (a) Additional studies (1) In general Except as provided in paragraph (2), upon the request of the non-Federal interest for the Lower Missouri Basin study, the Secretary shall expand the scope of such study to investigate and provide recommendations relating to— (A) modifications to projects in Iowa, Kansas, Nebraska, and Missouri authorized under the Pick-Sloan Missouri River Basin Program (authorized by section 9(b) of the Flood Control Act of December 22, 1944 (chapter 665, 58 Stat. 891)) and the Missouri River Bank Stabilization and Navigation project (authorized by section 2 of the Act of March 2, 1945 (chapter 19, 59 Stat. 19)), including modifications to the authorized purposes of such projects to further flood risk management and resiliency