Project Status: Compliance Phase
County approx. 499.7 square miles
County Index Map
Changes since last FIRM
DFIRM Panels are provided as PDF documents.
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Discovery Meeting - Lower Big Black River - 08060202Dec 13, 2012 - Jackson, MS
Flood Risk ReviewOct 20, 2016 - Jackson, MS
Preliminary DFIRM Community Coordination (PDCC)Apr 12, 2018 - Jackson, MS
Flood Risk Open HouseApr 12, 2018 - Jackson, MS
Discovery Report Published - Lower Big Black River - 08060202Jan 16, 2014
Preliminary DFIRM and FIS DeliveryFeb 9, 2018
90 Day Community Appeal PeriodAug 8, 2019
- Nov 6, 2019
Letter of Final DeterminationJan 20, 2021
Study Effective DateJul 20, 2021
Discovery Report - Lower Big Black - 08060202Jan 16, 2014
Discovery Report (0.7 MB)
Flood Insurance Study (Preliminary)Feb 9, 2018
Flood Insurance Study Vol 1 (1.9 MB)
County Seat: Port Gibson
Area: 501 square miles
Origin of County name: Named for William C. C. Claiborne, Governor of Mississippi Terrritory.