Federal investigations and improvements of rivers and other waterways for flood control and allied purposes shall be under the jurisdiction of and shall be prosecuted by the Department of the Army under the direction of the Secretary of the Army and supervision of the Chief of Engineers, except as otherwise provided by Act of Congress; and in his reports upon examinations and surveys, the Secretary of the Army shall be guided as to flood-control measures by the principles set forth in section 701a of this title in the determination of the Federal interests involved: Provided, That the foregoing grant of authority shall not interfere with investigations and river improvements incident to reclamation projects that may now be in progress or may be hereafter undertaken by the Bureau of Reclamation of the Interior Department pursuant to any general or specific authorization of law.
33 U.S. Code § 701b - Supervision of Secretary of the Army; reclamation projects unaffected
1954—Act Aug. 4, 1954, repealed provisions conferring authority on the Department of Agriculture under the direction of the Secretary of Agriculture to make preliminary examinations and surveys and to prosecute works of improvement for runoff and waterflow retardation and soil erosion prevention on the watersheds of rivers and other waterways.
1941—Act Aug. 18, 1941, reenacted without change portion of section preceding semicolon.
1938—Act June 28, 1938, reenacted without change portion of section preceding semicolon.
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 Section 205(a) of act July 26, 1947, was repealed by section 53 of act Aug. 10, 1956, ch. 1041, 70A Stat. 641.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.
Act Aug. 4, 1954, ch. 656, § 7, 68 Stat. 668, which amended this section by repealing provisions relating to the Department of Agriculture, provided in part that:
Pub. L. 104–303, title II, § 202(h), Oct. 12, 1996, 110 Stat. 3676, required the Secretary to enter into an agreement with the National Academy of Sciences to conduct a study of the Corps of Engineers’ use of risk-based analysis for the evaluation of hydrology, hydraulics, and economics in flood damage reduction studies and, not later than 18 months after Oct. 12, 1996, to submit to Congress a report on the results of the study as well as such recommendations as the Secretary considered appropriate.
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