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Floodplain Management
New Changes to Floodplain Management Ordinance Effective on July 1, 2017

The Mayor and Council adopted changes to the City's floodplain management requirements and procedures to comply with Federal and State regulations. The City worked with Maryland Department of Environment (MDE) and FEMA to update the floodplain ordinance to maintain participation in the National Flood Insurance Program (NFIP).Two significant changes to the City's current regulations are required: 

  • Establish a new Floodplain Permit process, with more rigorous tracking and record-keeping requirements for permitted floodplain disturbance. 
  • Eliminate previously allowed exemptions from floodplain regulation for public facilities and projects, utilities, fences and play/seating equipment.
High water in Rockville Stream
By employing wise floodplain management, Rockville strives to prevent loss of life and property; preserve the environmental functions of our waterways; and reduce the economic losses associated with flooding events.


FEMA Special Flood Hazard Areas (Floodplains) Map

The map below shows Special Flood Hazard Areas (SFHA) within the City of Rockville limits only. All home and business owners in these areas with mortgages from federally regulated or insured lenders are required to buy flood insurance. For more detailed maps and other locations, visit FEMAs Flood Map Service Center.


View a full-size version of this map.