Floodplain 21 : The lowland and relatively flat areas adjoining inland and coastal waters including, at a minimum, that area subject to a one percent or greater chance of flooding in any given year
State of Utah Emergency Operations Plan, Annex A (Glossary of Terms), Prepared and Maintained by The Utah Department of Public Safety Division of Emergency Services and Homeland Security, Utah, USA 2005. http://www.mapleton.org/ULCT%20Information/Utah%20 Emergency%20Operation%20Plan.pdf, (ND/ Avalan/ Snowpack - Amer) {468}
