; and (7) Mississippi State University to conduct academic research on technology to be used in water resources development infrastructure, analyses of the environment before and after a natural disaster, and geospatial data collection. . 109. Inland waterway projects (a) In general Section 102(a) of the Water Resources Development Act of 1986 ( 33 U.S.C. 2212(a) ) is amended— (1) in the matter preceding paragraph (1), by striking 65 percent of the costs and inserting 75 percent of the costs ; and (2) in the undesignated matter following paragraph (3), in the second sentence, by striking 35 percent of such costs and inserting 25 percent of such costs . (b) Application The amendments made by subsection (a) shall apply beginning on October 1, 2024, to any construction of a project for navigation on the inland waterways that is new or ongoing on or after that date. (c) Exception In the case of an inland waterways project that receives funds under the heading construction under the heading Corps of Engineers—Civil under the heading Department of the Army in title III of division J of the Infrastructure Investment and Jobs Act (135 Stat. 1359) that will not complete construction, replacement, rehabilitation, and expansion with such funds— (1) section 102(a) of the Water Resources Development Act of 1986 ( 33 U.S.C. 2212(a) ) shall not apply