Letter of Map Revision (LOMR)
This process is used when physical measures are implemented that changes the flood areas. Common changes would be implementation of flood control projects, channel or stream modifications or construction of levies.
LOMR changes are initiated by the City.
Letter of Map Amendment (LOMA)
This process is used to correct the map when a property is situated above the Base Flood Elevation due to existing site conditions.
Generally a LOMA will require an elevation survey of the property.
Letter of Map Revision Based on Fill (LOMR-F)
This process is used when a property owner physically alters the property by raising it above the Base Flood Elevation.
Generally a LOMR-F will be filed after a Development Permit and will require an elevation survey.