Land Use & ZoningIntermediateArizona Exam

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

AIdentical designations that FEMA uses for the same land area, with 'floodway' appearing on older maps and 'flood fringe' replacing it in post-2000 revisions

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 floodwayCorrect

CInterchangeable terms for the Special Flood Hazard Area, with 'floodway' used for river corridors and 'flood fringe' used for coastal inundation zones

DTerms that apply only when a property owner requests a Letter of Map Amendment and neither zone triggers mandatory flood insurance purchase requirements

Why Different—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 Is Correct

Answer B: Different—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

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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Key Terms to Know

Variance

Official permission to use land in a way that does not conform to the applicable zoning ordinance, granted by a zoning board when strict enforcement would cause undue hardship.

Private Mortgage Insurance (PMI)

Insurance required by lenders on conventional loans with less than 20% down payment, protecting the lender — not the borrower — against default.

Zoning

Local government regulations that control land use by dividing areas into zones specifying permitted uses, building sizes, and densities.

Eminent Domain

The power of government to take private property for public use, with the requirement to pay the owner just compensation.

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