The National Environmental Policy Act of 1969, referred to in subsec. (d)(1), is Pub. L. 91–190, Jan. 1, 1970, 83 Stat. 852, as amended, which is classified generally to chapter 55 (§ 4321 et seq.) of Title 42, The Public Health and Welfare. For complete classification of this Act to the Code, see Short Title note set out under section 4321 of Title 42 and Tables.

Section 101 of the Water Resources Development Act of 1990, referred to in subsec. (f)(1), (2), (6), (16), is section 101 of Pub. L. 101–640, title I, Nov. 28, 1990, 104 Stat. 4605, which is not classified to the Code.

Section 101(13) of the Water Resources Development Act of 1992, referred to in subsec. (f)(5), is section 101(13) of Pub. L. 102–580, title I, Oct. 31, 1992, 106 Stat. 4803, which is not classified to the Code.

The first section of the River and Harbor Act of June 20, 1938, referred to in subsec. (f)(15), is section 1 of act June 20, 1938, ch. 535, 52 Stat. 802, which is classified in part to section 540 of this title.

Section 3a of the Flood Control Act of August 11, 1939, referred to in subsec. (f)(15), is section 3a of act Aug. 11, 1939, ch. 699, 53 Stat. 1414, which is not classified to the Code.

2007—Subsec. (f)(12) to (17). Pub. L. 110–114 added pars. (12) to (17).

1999—Subsec. (d)(1). Pub. L. 106–53, § 223(a)(1), added subpar. (A), designated existing provisions as subpar. (B), inserted subpar. heading, and substituted “under subsection (c)” for “pursuant to subsection (b) or (c)”.

Subsec. (d)(2). Pub. L. 106–53, § 223(a)(2), inserted “(other than paragraph (1)(A))” after “this subsection” in first sentence.

Subsec. (e)(1). Pub. L. 106–53, § 223(b)(1), inserted “and provide credit for the non-Federal share of the project” after “constructed pursuant to this section” in introductory provisions, and added subpar. (C).

Subsec. (e)(2)(A). Pub. L. 106–60, which directed the amendment of subpar. (A) by striking out “in advance in appropriations Acts”, could not be executed because that phrase did not appear in text subsequent to the amendment by Pub. L. 106–53, § 223(b)(2). See below.

Pub. L. 106–53, § 223(b)(2), in subpar. heading, inserted “or credit” after “Reimbursement” and, in text, substituted “subject to the availability of appropriations” for “subject to amounts being made available in advance in appropriations Acts” and inserted “, or provide credit (depending on the request of the non-Federal interest) for the non-Federal share of such work,” after “the cost of such work”.

Subsec. (e)(6). Pub. L. 106–53, § 223(b)(3), added par. (6).