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Floodplain LimitsFloodplains
A floodplain is defined as the land area along a river, stream or waterway that is expected to be under water during a storm event. The Federal Emergency Management Agency is responsible for identifying and mapping the limits of floodplains, and for administering the National Flood Insurance Program. Although floodplains can be defined for any storm event, the floodplain associated with the “100-year” storm (also known as the “1% chance” storm) is typically used to regulate construction and development. You can use FEMA’s Map Service Center to find floodplain maps and other information for your area of interest.

Zoning Administrator
The City’s Zoning Administrator, with support from the City Engineer’s office, enforces the City’s Floodplain Management Ordinance. For additional information on floodplain issues in the City, contact the Zoning Administrator at (301) 739-8577 ext. 138.