; and (2) clarifying that nonstructural approaches, techniques, and alternatives include natural and nature-based solutions. 1036. Alterations to local flood control projects The District Engineer of each district of the Corps of Engineers shall have the authority to implement existing authorities to approve alterations to local flood control projects in accordance with section 208.10 of title 33, Code of Federal Regulations (or successor regulations), and all other applicable laws (including regulations). II Studies, modifications, and project authorizations A Studies 2001. Authorization of proposed feasibility studies The Secretary is authorized to conduct a feasibility study for the following projects for water resources development and conservation and other purposes, as identified in the reports titled Report to Congress on Future Water Resources Development submitted to Congress in March 2017 and February 2018, respectively, pursuant to section 7001 of the Water Resources Reform and Development Act of 2014 ( 33 U.S.C. 2282d ) or otherwise reviewed by Congress: (1) Lower Mississippi River, Arkansas, Kentucky, Louisiana, Missouri, Mississippi, and Tennessee Project for water quality monitoring program and planning, engineering, and design for 8 conservation reach habitat areas, Lower Mississippi River, Arkansas, Kentucky, Louisiana, Missouri, Mississippi, and Tennessee. (2) Ouachita-Black Rivers navigation project, Arkansas and Louisiana Project for navigation, Lower Little River, Arkansas and Louisiana. (3) San Diego River 1, 2, and 3 levee system Project for flood risk reduction, navigation, and ecosystem restoration, San Diego River 1, 2, and 3 levee system, California. (4) Northshore flood risk reduction, Louisiana Project for northshore flood risk reduction, St. Tammany Parish, Louisiana. (5) St. Louis riverfront-Meramec River Basin, Missouri Project for ecosystem restoration, St. Louis riverfront-Meramec River Basin, Missouri, authorized by the resolution adopted by the Committee on Transportation and