33 USC 467d - National inventory of dams and low-head dams

United States Code

USC most recently checked for updates: May 13, 2025

§ 467c. Determination of danger to human life and property

§ 467e. Interagency Committee on Dam Safety

U.S. Code
Notes

§ 467d.

National inventory of dams and low-head dams

(a)

In general

The Secretary of the Army shall maintain and update information on the inventory of dams and low-head dams in the United States.

(b)

Dams

The inventory maintained under subsection (a) shall include any available information assessing each dam based on inspections completed by a Federal agency, a State dam safety agency, or a Tribal government.

(c)

Low-head dams

The inventory maintained under subsection (a) shall include—

(1)

the location, ownership, description, current use, condition, height, and length of each low-head dam;

(2)

any information on public safety conditions at each low-head dam; and

(3)

any other relevant information concerning low-head dams.

(d)

Data

In carrying out this section, the Secretary shall—

(1)

coordinate with Federal and State agencies, Tribal governments, and other relevant entities; and

(2)

use data provided to the Secretary by those agencies and entities.

(e)

Public availability

The Secretary shall make the inventory maintained under subsection (a) publicly available (including on a publicly available website), including—

(1)

public safety information on the dangers of low-head dams; and

(2)

a directory of financial and technical assistance resources available to reduce safety hazards and fish passage barriers at low-head dams.

(f)

Clarification

Nothing in this section provides authority to the Secretary to carry out an activity, with respect to a low-head dam, that is not explicitly authorized under this section.

(g)

Low-head dam defined

In this section, the term “low-head dam” means a river-wide artificial barrier that generally spans a stream channel, blocking the waterway and creating a backup of water behind the barrier, with a drop off over the wall of not less than 6 inches and not more than 25 feet.

(Pub. L. 92–367, § 6, as added Pub. L. 104–303, title II, § 215(c)(8), Oct. 12, 1996, 110 Stat. 3687; amended Pub. L. 109–460, § 1(b), Dec. 22, 2006, 120 Stat. 3401; Pub. L. 118–272, div. A, title I, § 1132(b), Jan. 4, 2025, 138 Stat. 3021.)

cite as: 33 USC 467d