Letters of Final Determination - 2023

These documents hold listings of all communities for which Letters of Final Determination (LFD) have been sent and an effective date in 2023 has been set. The LFD is a letter sent to each affected community stating that a new or updated Flood Insurance Rate Map (FIRM) will become effective on a certain date, and that the community is required to adopt a compliant floodplain management ordinance by that date to remain eligible for participation in the National Flood Insurance Program (NFIP).

Please Note: LFDs are listed by their final FIRM effective date.

Letter of Final Determination: Sept. 7, 2023

LFD Date: March 7, 2023
FIRM Effective Date: 9/7/2023
States: Connecticut, Louisiana, Minnesota, Oklahoma, Pennsylvania

Letter of Final Determination: Aug. 15, 2023

LFD Date: Feb. 15, 2023
FIRM Effective Date: 8/15/2023
States: Georgia, Michigan, Missouri, Montana, Washington, Wisconsin

Letter of Final Determination: Aug. 1, 2023

LFD Date: Feb. 1, 2023
FIRM Effective Date: 8/1/2023
States: Iowa, Maine, Rhode Island, Texas, WashingtonConnecticut, Maryland, Missouri, West Virginia

Letter of Final Determination: July 19, 2023

LFD Date: Jan. 19, 2023
FIRM Effective Date: 7/19/2023
States: Iowa, Maine, Rhode Island, Texas, Washington

Letter of Final Determination: July 5, 2023

LFD Date: Jan. 5, 2023
FIRM Effective Date: 7/5/2023
States: Oklahoma, West Virginia

Last updated March 28, 2023