Procedure Memorandum No. 51 - Guidance for Mapping of Non-Levee Embankments Previously Identifed as Accredited
This procedure applies to studies/DFIRMS that meet both of the following criteria: 1. An area was incorrectly identified as not subject to the base flood on a Preliminary DFIRM issued after August 22, 2005 and 2. A sound technical justification for the delineation of the flood hazards in the vicinity of the embankment is unavailable. Procedure are provided for situation where the community does, and where the community does not, agree to undertake further study.