In this section:
The term "inventory" means the national low-head dam inventory developed under subsection (b)(1)(A).
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.
Not later than 18 months after December 23, 2022, the Secretary of the Army, in consultation with the heads of appropriate Federal and State agencies, shall-
In carrying out this subsection, the Secretary shall-
The Secretary shall make the inventory publicly available, including on a publicly available website.
The Secretary, in consultation with the heads of appropriate Federal and State agencies, shall maintain and periodically publish updates to the inventory.
There is authorized to be appropriated to the Secretary to carry out this section $30,000,000.
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.
33 U.S.C. § 467o