(1)
Board— The term Board means the National Levee Safety Advisory Board established under section 6005.
(2)
Canal structure—
(A)
In general— The term canal structure means an embankment, wall, or structure along a canal or manmade watercourse that—
(i)
constrains water flows;
(ii)
is subject to frequent water loading; and
(iii)
is an integral part of a flood risk reduction system that protects the leveed area from flood waters associated with hurricanes, precipitation events, seasonal high water, and other weather-related events.
(B)
Exclusion— The term canal structure does not include a barrier across a watercourse.
(3)
Federal agency— The term Federal agency means a Federal agency that designs, finances, constructs, owns, operates, maintains, or regulates the construction, operation, or maintenance of a levee.
(4)
Flood damage reduction system— The term flood damage reduction system means a system designed and constructed to have appreciable and dependable effects in reducing damage by floodwaters.
(5)
Flood mitigation— The term flood mitigation means any structural or nonstructural measure that reduces risks of flood damage by reducing the probability of flooding, the consequences of flooding, or both.
(6)
Floodplain management— The term floodplain management means the operation of a community program of corrective and preventative measures for reducing flood damage.
(7)
Indian tribe— The term Indian tribe has the meaning given the term in section 4 of the Indian Self-Determination and Education Assistance Act (
25 U.S.C. 450b).
(8)
Levee—
(A)
In general— The term levee means a manmade barrier (such as an embankment, floodwall, or other structure)—
(i)
the primary purpose of which is to provide hurricane, storm, or flood protection relating to seasonal high water, storm surges, precipitation, or other weather events; and
(ii)
that is normally subject to water loading for only a few days or weeks during a calendar year.
(B)
Inclusions— The term levee includes a levee system, including—
(i)
levees and canal structures that—
(I)
constrain water flows;
(II)
are subject to more frequent water loading; and
(III)
do not constitute a barrier across a watercourse; and
(ii)
roadway and railroad embankments, but only to the extent that the embankments are integral to the performance of a flood damage reduction system.
(C)
Exclusions— The term levee does not include—
(i)
a roadway or railroad embankment that is not integral to the performance of a flood damage reduction system;
(ii)
a canal constructed completely within natural ground without any manmade structure (such as an embankment or retaining wall to retain water or a case in which water is retained only by natural ground);
(iii)
a canal regulated by a Federal or State agency in a manner that ensures that applicable Federal safety criteria are met;
(iv)
a levee or canal structure—
(I)
that is not a part of a Federal flood damage reduction system;
(II)
that is not recognized under the National Flood Insurance Program as providing protection from the 1-percent-annual-chance or greater flood;
(III)
that is not greater than 3 feet high;
(IV)
the population in the leveed area of which is less than 50 individuals; and
(V)
the leveed area of which is less than 1,000 acres; or
(v)
any shoreline protection or river bank protection system (such as revetments or barrier islands).
(9)
Levee feature— The term levee feature means a structure that is critical to the functioning of a levee, including—
(A)
an embankment section;
(E)
an interior drainage work; and
(F)
a flood damage reduction channel.
(10)
Levee safety guidelines— The term levee safety guidelines means the guidelines established by the Secretary under section 6004(c)(1).
(11)
Levee segment— The term levee segment means a discrete portion of a levee system that is owned, operated, and maintained by a single entity or discrete set of entities.
(12)
Levee system— The term levee system means 1 or more levee segments, including all levee features that are interconnected and necessary to ensure protection of the associated leveed areas—
(A)
that collectively provide flood damage reduction to a defined area; and
(B)
the failure of 1 of which may result in the failure of the entire system.
(13)
Leveed area— The term leveed area means the land from which flood water in the adjacent watercourse is excluded by the levee system.
(14)
National levee database— The term national levee database means the levee database established under section 9004 of the Water Resources Development Act of 2007 (
33 U.S.C. 3303).
(15)
Participating program— The term participating program means a levee safety program developed by a State or Indian tribe that includes the minimum components necessary for recognition by the Secretary.
(16)
Rehabilitation— The term rehabilitation means the repair, replacement, reconstruction, removal of a levee, or reconfiguration of a levee system, including a setback levee, that is carried out to reduce flood risk or meet national levee safety guidelines.
(17)
Risk— The term risk means a measure of the probability and severity of undesirable consequences.
(18)
Secretary— The term Secretary means the Secretary of the Army, acting through the Chief of Engineers.
(19)
State— The term State means—
(A)
each of the several States of the United States;
(B)
the District of Columbia;
(C)
the Commonwealth of Puerto Rico;
(F)
the Commonwealth of the Northern Mariana Islands;
(G)
the Federated States of Micronesia;
(H)
the Republic of the Marshall Islands;
(I)
the Republic of Palau; and
(J)
the United States Virgin Islands.