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Pflugerville staff outlines floodplain rules, Atlas 14 adoption timeline and insurance benefits
Summary
City floodplain administrator Gordon Hawes explained FEMA terminology, local rules that prohibit new homes in the 100-year floodplain and the city's use of NOAA Atlas 14 rainfall data; he said a Wilbarger Creek flood study has been submitted to FEMA and maps are expected to be reissued in roughly a year and a half.
Gordon Hawes, Pflugerville City’s floodplain administrator and engineering manager, told the Planning & Zoning Commission that the city does not allow new homes or structures in the 100‑year floodplain and requires finished floors to be at least two feet above the 100‑year water‑surface elevation.
Hawes walked commissioners through FEMA terminology and mapping, saying the Special Flood Hazard Area—commonly referred to as the “100‑year floodplain”—represents a flood event with about a 1% chance of…
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