These documents hold listings of all communities for which Letters of Final Determination (LFD) have been sent and an effective date in 2025 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).
Letters of Final Determination - 2025
Letters of Final Determination: Effective September 19, 2025
LFD Date: March 19, 2025
FIRM Effective Date: September 19, 2025
State: Virginia, North Carolina, Illinois, Missouri, North Dakota, California
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Letters of Final Determination: Effective September 5, 2025
LFD Date: March 5, 2025
FIRM Effective Date: September 5, 2025
State: Nebraska, North Dakota
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Letters of Final Determination: Effective August 19, 2025
LFD Date: February 19, 2025
FIRM Effective Date: August 19, 2025
State: New Jersey, Florida, Georgia, Illinois, Montana
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Letters of Final Determination: Effective August 5, 2025
LFD Date: February 5, 2025
FIRM Effective Date: August 5, 2025
State: Virginia
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Letters of Final Determination: Effective July 22, 2025
LFD Date: January 22, 2025
FIRM Effective Date: July 22, 2025
State: Oregon
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Letters of Final Determination: Effective July 8, 2025
LFD Date: January 8, 2025
FIRM Effective Date: July 8, 2025
State: Massachusetts, Virginia, Colorado
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Letters of Final Determination: Effective June 18, 2025
LFD Date: December 18, 2024
FIRM Effective Date: June 18, 2025
State: New York, South Carolina, North Dakota, Nevada
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Letters of Final Determination: Effective June 4, 2025
LFD Date: December 4, 2024
FIRM Effective Date: June 4, 2025
State: No Communities
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Letters of Final Determination: Effective May 20, 2025
LFD Date: November 20, 2024
FIRM Effective Date: May 20, 2025
State: No Communities
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Letters of Final Determination: Effective May 6, 2025
LFD Date: November 6, 2024
FIRM Effective Date: May 6, 2025
State: Maryland, Virginia, North Dakota, South Dakota
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Letters of Final Determination: Effective April 23, 2025
LFD Date: October 23, 2024
FIRM Effective Date: April 23, 2025
State: Florida, Illinois, Ohio, South Dakota, Washington
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Letters of Final Determination: Effective April 9, 2025
LFD Date: October 9, 2024
FIRM Effective Date: April 9, 2025
State: Wisconsin, Kansas
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Letters of Final Determination: Effective March 25, 2025
LFD Date: September 25, 2024
FIRM Effective Date: March 25, 2025
State: Virginia, South Carolina, Minnesota, Kansas, Nebraska, North Dakota, South Dakota
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Letters of Final Determination: Effective March 11, 2025
LFD Date: September 11, 2024
FIRM Effective Date: March 11, 2025
State: Mississippi, Minnesota, North Dakota, South Dakota
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Letters of Final Determination: Effective February 28, 2025
LFD Date: August 28, 2024
FIRM Effective Date: February 28, 2025
State: Kentucky, Kansas, South Dakota, Arizona, Alaska, Washington
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Letters of Final Determination: Effective February 14, 2025
LFD Date: August 14, 2024
FIRM Effective Date: February 14, 2025
State: Virginia, Tennessee, Kansas, Missouri, South Dakota, Washington
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Letters of Final Determination: Effective January 31, 2025
LFD Date: July 31, 2024
FIRM Effective Date: January 31, 2025
State: Mississippi, North Dakota
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Letters of Final Determination: Effective January 17, 2025
LFD Date: July 17, 2024
FIRM Effective Date: January 17, 2025
State: West Virginia, Alabama, Mississippi, North Carolina, Illinois, Texas
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Letters of Final Determination: Effective January 3, 2025
LFD Date: July 3, 2024
FIRM Effective Date: January 3, 2024
State: No Communities
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