((a)) ** Definitions** In this section:
((1)) ** Bypass** The term “bypass” means an alternate water route adjacent to a lock and dam on a Federal inland waterway system that can be used for commercial navigation during high water conditions.
((2)) ** Emergency condition** The term “emergency condition” means—
((A)) unsafe conditions on a Federal inland waterway system that prevent the operation of commercial vessels, resulting from a major change in water level or flows;
((B)) an obstruction in a Federal inland waterway system, including silt, sediment, rock formation, or a shallow channel;
((C)) an impaired or inoperable Federal lock and dam; or
((D)) any other condition determined appropriate by the Secretary.
((b)) ** Emergency determination** The Secretary, in consultation with the District Commanders responsible for maintaining any Federal inland waterway system, the users of the waterway system, and the Coast Guard, may make a determination that an emergency condition exists on the waterway system.
((c)) ** Emergency mitigation project**
((1)) ** In general** Subject to paragraph (2) and the availability of appropriations, and in accordance with all applicable Federal requirements, the Secretary may carry out an emergency mitigation project on a Federal inland waterway system with respect to which the Secretary has determined that an emergency condition exists under subsection (b), or on a bypass of such system, to remedy that emergency condition.
((2)) ** Deadline** An emergency mitigation project under paragraph (1) shall—
((A)) be initiated by not later than 60 days after the date on which the Secretary makes the applicable determination under subsection (b); and
((B)) to the maximum extent practicable, be completed by not later than 1 year after the date on which the Secretary makes such determination.
((d)) ** Authorization of appropriations** There is authorized to be appropriated to the Secretary to carry out this section $25,000,000 for each of fiscal years 2022 through 2024, to remain available until expended.