Land Use & Zoning

In Arizona, a 'floodway' versus a 'flood fringe' in FEMA flood maps are:

AThe same area
BDifferent—the floodway is the active channel and most hazardous; the flood fringe is the less hazardous portion of the 100-year floodplain outside the floodway✓ Correct
CUsed only for Arizona desert wash designations
DApplicable only to federally owned land

Explanation

The floodway is the channel of the stream plus adjacent floodplain land required to carry the 100-year flood—the most hazardous portion where development is most restricted. The flood fringe is the remaining floodplain area outside the floodway.

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