Areas between the 100-year and the 500-year flood boundaries are termed Moderate Flood Hazard Areas. The remaining areas are above the 500-year flood level and are termed Minimal Flood Hazard Areas.
MODERATE FLOOD HAZARD AREAS
Meaning of MODERATE FLOOD HAZARD AREAS in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012