43 U.S.C. § 1600c : US Code - Section 1600C: Colorado River Floodway

Search 43 U.S.C. § 1600c : US Code - Section 1600C: Colorado River Floodway

(a) Establishment
There is established the Colorado River Floodway as identified
and generally depicted on maps that are to be submitted by the
Secretary.
(b) Study of tributary floodflows; determination of Floodway
boundary
Within eighteen months after October 8, 1986, the Secretary, in
consultation with the seven Colorado River Basin States,
represented by persons designated by the Governors of those States,
the Colorado River Floodway Task Force, and any other interested
parties shall:
(1) complete a study of the tributary floodflows downstream of
Davis Dam;
(2) define the specific boundaries of the Colorado River
Floodway so that the Floodway can accommodate either a one-in-one
hundred year river flow consisting of controlled releases and
tributary inflow, or a flow of forty thousand cubic feet per
second (cfs), whichever is greater, from below Davis Dam to the
Southerly International Boundary between the United States of
America and the Republic of Mexico.
(c) Review and modification of boundaries; notice and comment;
written justification for decision of Secretary
(1) The Secretary shall conduct, at least once every five years,
a review of the Colorado River Floodway and make, after notice to
and in consultation with appropriate chief executive officers of
States, counties, municipalities, water districts, Indian tribes,
or equivalent jurisdictions in which the Floodway is located, and
others, such minor and technical modifications to the boundaries of
the Floodway as are necessary solely to reflect changes that have
occurred in the size or location of any portion of the floodplain
as a result of natural forces, and as necessary pursuant to
subsection (c) of section 1600e of this title.
(2) If, in the case of any minor and technical modification to
the boundaries of the Floodway made under the authority of this
subsection, an appropriate chief executive officer of a State,
county, municipality, water district, Indian tribe, or equivalent
jurisdiction, to which notice was given in accordance with this
subsection files comments disagreeing with all or part of the
modification and the Secretary makes a modification which is in
conflict with such comments, the Secretary shall submit to the
chief executive officer a written justification for his failure to
make modifications consistent with such comments or proposals.