[Code of Federal Regulations]
[Title 40, Volume 21]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR257.3-1]

[Page 369]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
                   CHAPTER I--ENVIRONMENTAL PROTECTION
                           AGENCY (CONTINUED)
 
PART 257--CRITERIA FOR CLASSIFICATION OF SOLID WASTE DISPOSAL FACILITIES AND PRACTICES--Table of Contents
 
    Subpart A--Classification of Solid Waste Disposal Facilities and 
                                Practices
 
Sec. 257.3-1  Floodplains.

    (a) Facilities or practices in floodplains shall not restrict the 
flow of the base flood, reduce the temporary water storage capacity of 
the floodplain, or result in washout of solid waste, so as to pose a 
hazard to human life, wildlife, or land or water resources.
    (b) As used in this section:
    (1) Based flood means a flood that has a 1 percent or greater chance 
of recurring in any year or a flood of a magnitude equalled or exceeded 
once in 100 years on the average over a significantly long period.
    (2) Floodplain means the lowland and relatively flat areas adjoining 
inland and coastal waters, including flood-prone areas of offshore 
islands, which are inundated by the base flood.
    (3) Washout means the carrying away of solid waste by waters of the 
base flood.

[44 FR 53460, Sept. 13, 1979; 44 FR 54708, Sept. 21, 1979]