Flood insurance rate maps (FIRMs), published by the Federal Emergency Management Agency, indicate a community's flood hazard areas and degree of risk in those areas. Communities that participate in the National Flood Insurance Program (NFIP) usually have FIRMs on file in a local repository, such as the local planning, zoning, or engineering office; town hall; or county government headquarters. The OWRB has a floodplain viewer you may use to get a general idea of an area, but the local floodplain administrator for your community will help you with the final determination.
Additionally, portions of the FIRMs can be printed through the FEMA Map Service Center. Due to liability concerns, OWRB employees are prohibited from making FIRM flood hazard determinations unless the determination is for state-owned or -operated property.