The National Environmental Policy Act of 1969, referred to in subsec. (b)(1), is Pub. L. 91–190, Jan. 1, 1970, 83 Stat. 852, 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 is from act Mar. 3, 1899, popularly known as the “Rivers and Harbors Appropriation Act of 1899”.

Section superseded act Sept. 19, 1890, ch. 907, § 9, 26 Stat. 426, which prohibited persons taking possession of or using or injuring government works in navigable waters.

Act Aug. 14, 1876, ch. 267, § 3, 19 Stat. 139, penalizing persons injuring any pier breakwater, or other work of the United States for the improvement of rivers or harbors or navigation, was probably omitted from the Code as superseded by this section.

2018—Subsec. (d). Pub. L. 115–270 added subsec. (d).

2016—Pub. L. 114–322 designated existing provisions as subsec. (a), inserted heading, and added subsecs. (b) and (c).

1985—Pub. L. 99–88 inserted further proviso empowering Secretary, on recommendation of Chief of Engineers, to grant permission for alteration or permanent occupation or use of any of public works mentioned in this section when in judgment of Secretary such occupation or use will not be injurious to public interest and will not impair usefulness of such work.

Department of War designated Department of the Army and title of Secretary of War changed to Secretary of the Army by section 205(a) of act July 26, 1947, ch. 343, title II, 61 Stat. 501. Section 205(a) of act July 26, 1947, was repealed by section 53 of act Aug. 10, 1956, ch. 1041, 70A Stat. 641. Section 1 of act Aug. 10, 1956, enacted “Title 10, Armed Forces” which in sections 3010 to 3013 continued Department of the Army under administrative supervision of Secretary of the Army.

Functions, powers, and duties of Secretary of the Army and other offices and officers of Department of the Army under section 401 of this title to extent that they relate generally to location and clearances of bridges and causeways in navigable waters of United States transferred to and vested in Secretary of Transportation by Pub. L. 89–670, § 6(g)(6)(A), Oct. 15, 1966, 80 Stat. 941, which created Department of Transportation. Pub. L. 97–449 amended section 401 of this title to reflect transfer made by section 6(g)(6)(A) of Pub. L. 89–670, and repealed section 6(g)(6)(A).