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<br />5.3 Flood Insurance Zones <br /> <br />After the determination of reaches and their respective Flood <br />Hazard Factors, the entire incorporated area of the Town of <br />Frisco was divided into zones, each having a specific flood potential <br />or hazard. Each zone was assigned one of the following flood <br />insurance zone designations: <br /> <br />Zone A: <br /> <br />Special Flood Hazard Areas inundated by <br />the 100-year flood, determined by <br />approximate methods; no base flood <br />elevations shown or Flood Hazard Factors <br />determined. <br /> <br />Zone AD: <br /> <br />Special Flood Hazard Areas inundated by <br />types of 100-year shallow flooding <br />where depths are between 1.0 and 3.0 <br />feet; depths are shown, but no Flood <br />Hazard Factors are determined. <br /> <br />Zones AI, A2, and A4: <br /> <br />Special Flood Hazard Areas inundated by <br />the 100-year flood, determined by <br />detailed methods; base flood elevations <br />shown, and zones subdivided according <br />to Flood Hazard Factors. <br /> <br />Zone B: <br /> <br />Areas between the Special Flood Hazard <br />Areas and the limits of the SOD-year <br />flood, including areas of the SOD-year <br />flood plain that are protected from the <br />100-year flood by dike, levee, or other <br />water control structure; also areas <br />subject to certain types of 100-year <br />shallow flooding where depths are less <br />than 1.0 foot; and areas subject to <br />lOO-year flooding from sources with <br />drainage areas less than 1 square mile. <br />Zone B is not subdivided. <br /> <br />Zone c: <br /> <br />Areas of minimal flooding. <br /> <br />l3 <br />