[Code of Federal Regulations]
[Title 18, Volume 2]
[Revised as of January 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 18CFR415.2]

[Page 28-30]
 
           TITLE 18--CONSERVATION OF POWER AND WATER RESOURCES
 
              CHAPTER III--DELAWARE RIVER BASIN COMMISSION
 
PART 415_BASIN REGULATIONS_FLOOD PLAIN REGULATIONS--Table of Contents
 
Sec.  415.2  Definitions.

    For the purposes of this part, except as otherwise required by the 
context:
    Project means the same word as defined by section 1.2(g) of the 
Delaware River Basin Compact.
    Floodway means the channel of the watercourse and those portions of 
the adjoining flood plains which are reasonably required to carry and 
discharge the regulatory flood. For this purpose the limit of the 
floodway shall be established by allowing not more than a one-foot rise 
of the water surface elevation of the regulatory flood as a result of 
encroachment. Wherever practical, equal conveyance reduction from each 
side of the flood plain shall be used. (See Figure 1.)

[[Page 29]]

[GRAPHIC] [TIFF OMITTED] TC05OC91.022

    Flood fringe means that portion of the flood hazard area outside the 
floodway.
    Flood hazard area means the area inundated by the regulatory flood.
    Flood plain means the area adjoining the channel of a stream which 
has been or hereafter may be covered by flood water.

[[Page 30]]

    Floodproofing means any combination of structural and nonstructural 
additions, changes, or adjustments to properties and structures which 
reduce or eliminate flood damage to lands, water and sanitary 
facilities, structures, and contents of buildings.
    Flood protection elevation means one foot above the elevation of the 
flood that has a one percent chance of occurring in any one year. (The 
100-year flood).
    Major tributary means the mainstem of the following streams:

                              Pennsylvania

    Brandywine Creek, Brodhead Creek, Big Bushkill Creek, Lackawaxen, 
Lehigh, Schuylkill, Neshaminy.

                                Delaware

    Brandywine Creek, Christina.

                                New York

    East Branch, Mongaup, Neversink, West Branch.

                               New Jersey

    Assunpink, Musconetcong, Paulins Kill, Rancocas, Pequest.

    Official flood plain map means a map showing the flood plain area of 
a community prepared pursuant to the National Flood Insurance Act, or a 
map recognized by the Executive Director as meeting equivalent hydraulic 
or engineering criteria.
    Regulatory flood means the flood which has a one percent chance of 
occurring in any one year. (The 100-year flood.)
    Structure means any assembly of material above or below the surface 
of land or water, including but not limited to, buildings, dams, fills, 
levees, bulkheads, dikes, jetties, embankments, causeways, culverts, 
roads, railroads and bridges.