; and (2) in the third sentence, by striking $10,000,000 and inserting $15,000,000 . (f) Aquatic ecosystem restoration Section 206 of the Water Resources Development Act of 1996 ( 33 U.S.C. 2330 ) is amended— (1) in subsection (a), by adding at the end the following: (3) Requirement In carrying out projects under this section, the Secretary shall carry out— (A) not less than 2 projects in areas with a population of 80,000 or less; and (B) not less than 2 projects in areas with a population of 2,500,000 or more. ; (2) in subsection (d), by striking $10,000,000 and inserting $12,500,000 ; and (3) in subsection (e), by striking $50,000,000 and inserting $62,500,000 . (g) Project modifications for improvement of environment (1) In general Section 1135 of the Water Resources Development Act of 1986 ( 33 U.S.C. 2309a ) is amended— (A) in subsection (d), in the third sentence, by striking $10,000,000 and inserting $15,000,000 ; (B) in subsection (h), by striking $40,000,000 and inserting $60,000,000 ; (C) by redesignating subsections (h) and (i) as subsections (i) and (j), respectively