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: Dec. 21, 2023

LFD Date: June 21, 2023
FIRM Effective Date: Dec. 21, 2023
States: Kansas, Ohio, South Dakota

Letter of Final Determination: Dec. 7, 2023

LFD Date: June 7, 2023
FIRM Effective Date: Dec. 7, 2023
States: Minnesota, Missouri, New York, Ohio

Letter of Final Determination: Nov. 30, 2023

LFD Date: May 30, 2023
FIRM Effective Date: Nov. 30, 2023
States: California, Colorado, Missouri, Ohio, Utah

Letter of Final Determination: Nov. 16, 2023

LFD Date: May 16, 2023
FIRM Effective Date: Nov 16, 2023
States: California, Michigan, New York, North Dakota, Ohio, Virginia

Letter of Final Determination: Nov. 02, 2023

LFD Date: May 2, 2023
FIRM Effective Date: Nov. 2, 2023
States: Maryland, Georgia, Missouri, Washington

Letter of Final Determination: Oct. 19, 2023

LFD Date: April 19, 2023
FIRM Effective Date: Oct. 19, 2023
States: Alabama, Ohio, Wisconsin, Texas, Washington

Letter of Final Determination: October 5, 2023

LFD Date: April 5, 2023
FIRM Effective Date: Oct. 5, 2023
States: Colorado, Illinois, Kansas, Kentucky, Montana

Letter of Final Determination: Sept. 21, 2023

LFD Date: March 21, 2023
FIRM Effective Date: Sept. 21, 2023
States: Iowa, Minnesota, North Dakota, Ohio, Texas

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

Letter of Final Determination: June 21, 2023

LFD Date: June 21, 2022
FIRM Effective Date: 6/21/2023
States: Massachusetts, Michigan

Letter of Final Determination: May 23, 2023

LFD Date: Nov. 23, 2022
FIRM Effective Date: 5/23/2023
States: Georgia, Kentucky, Nevada, Virginia, Wisconsin

Letter of Final Determination: May 9, 2023

LFD Date: Nov. 9, 2022
FIRM Effective Date: 5/9/2023
States: Colorado, South Carolina, Tennessee, Texas, Virginia, Utah West Virginia, Wisconsin

Letter of Final Determination: April 19, 2023

LFD Date: Oct. 19, 2022
FIRM Effective Date: 4/19/2023
States: Michigan, Virginia

Letter of Final Determination: April 5, 2023

LFD Date: Oct. 5, 2022
FIRM Effective Date: 4/5/2023
States: Virginia

Letter of Final Determination: March 21, 2023

LFD Date: Sept. 21, 2022
FIRM Effective Date: 3/21/2023
States: Arizona, Kentucky, New York, Wisconsin

Letter of Final Determination: March 7, 2023

LFD Date: Sept. 7, 2022
FIRM Effective Date: 3/7/2023
States: Michigan

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