There have been a number of Letter of Map Changes (LOMC) issued over the past several years. These documents will modify the FIRM Panels and will affect flood insurance for the parcels involved. Therefore, the documents are important to keep track of and on file in case there is any question as to the status of flooding on the affected parcel(s).

• Learn more about LOMA and LOMR Applications - FEMA's website provides information about the process for a Letter of Map Amendment and Letter of Map Revision.
• How to get a LOMA in a Zone A - This handout was prepared to detail the process for surveyors to apply for a LOMA for properties without a base flood elevation. 

Revalidated Letters of Map Changes (LOMCs) List, dated August 18, 2010, recognizes the “Valid LOMCs for Umatilla County” prior to the September 3rd, 2010 Flood Insurance Rate Maps (FIRMS). Authorized LOMCs do not show up on the official FIRMS so this listing is very important to prove that the change has been recognized and flood insurance is not required.

Below are the LOMA/LOMR cases filed for Umatilla County: