Base Flood 09 : The flood having a one percent chance of being equaled or exceeded in any given year. The base flood may also be referred to as the 1% annual chance flood or one-hundred (100) year flood
Ohio Floodplain Management Handbook (A Resource Handbook for Local Officials to Administer Flood Damage Reduction Regulations), Acronyms and Definitions Provided To Familiarize The Reader With Some Common Terms Used In Floodplain Management, OH, USA (Rev.) 2005. http://www.dnr.state.oh.us/Portals/7/floodpln/oh_f loodplain_handbook.pdf, (ND/ Flood - Amer) {453}