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DR-4080 · Louisiana

HURRICANE ISAAC

Hurricane · Declared August 29, 2012

Recorded incident start August 26, 2012. Recorded incident end September 10, 2012. Declaration request August 29, 2012.

Open the official FEMA disaster page · Declaration data

County designations and filing dates

County programs listed by FEMA
CountyPrograms listedIndividual Assistance filing date
Acadia Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Allen Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Ascension Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Assumption Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Avoyelles Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Beauregard Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Bossier Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Caddo Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Caldwell Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Cameron Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Catahoula Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Claiborne Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Concordia Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
East Baton Rouge Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
East Carroll Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
East Feliciana Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Evangeline Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Franklin Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Iberia Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Iberville Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Jackson Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Jefferson Davis Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Jefferson Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Lafayette Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Lafourche Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Lincoln Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Livingston Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Madison Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Morehouse Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Natchitoches Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Orleans Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Ouachita Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Plaquemines Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Pointe Coupee Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Rapides Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Richland Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
St. Bernard Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
St. Charles Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
St. Helena Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
St. James Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
St. John the Baptist Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
St. Landry Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
St. Martin Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
St. Mary Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
St. Tammany Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Tangipahoa Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Tensas Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Terrebonne Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
Union Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Vermilion Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
Washington Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
West Baton Rouge Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012
West Carroll Parish, LouisianaPublic Assistance · Hazard MitigationNovember 29, 2012
West Feliciana Parish, LouisianaIHP · Public Assistance · Hazard MitigationNovember 29, 2012

Other designated areas

FEMA area records
Area listedPrograms listed
La Salle (Parish)Public Assistance · Hazard Mitigation

Public Assistance for this declaration

Project worksheets
1,458
Federal share obligated
$298,411,638.19
Median days to first recorded obligation
175

Timing uses 1,458 dated worksheets and starts on the original declaration date. Earliest first obligation September 3, 2012. Most recent obligation in the project snapshot October 20, 2026.

Funded worksheets by category
Work categoryWorksheetsFederal share obligated
Emergency Protective Measures590$161,149,085.01
Buildings and Equipment490$53,880,545.17
Debris Removal186$47,568,037.16
Management Costs1$10,042,175.00
Water Control Facilities11$8,813,678.75
Utilities66$8,143,158.23
Parks, Recreational Facilities, and Other Items62$5,228,795.96
Roads and Bridges52$3,586,162.91
First obligations by year
Year of first recorded obligation
YearWorksheets
2012535
2013599
2014175
201579
201656
20179
20183
20211
20231

Projects by applicant county

Applicant location recorded by FEMA
Applicant countyWorksheetsFederal share obligated
St. John the Baptist Parish, Louisiana53$48,663,837.69
Plaquemines Parish, Louisiana58$46,445,416.95
Jefferson Parish, Louisiana181$27,914,199.09
Orleans Parish, Louisiana113$21,728,114.52
East Baton Rouge Parish, Louisiana49$13,274,703.58
St. Tammany Parish, Louisiana83$7,131,128.34
Lafourche Parish, Louisiana51$6,034,181.05
St. Charles Parish, Louisiana26$4,585,749.26
Terrebonne Parish, Louisiana51$3,800,688.02
St. Bernard Parish, Louisiana45$3,424,036.83
Washington Parish, Louisiana30$2,229,888.25
Livingston Parish, Louisiana39$2,227,936.16
Tangipahoa Parish, Louisiana56$1,920,015.96
Ascension Parish, Louisiana18$1,638,121.93
Lafayette Parish, Louisiana20$1,553,959.38
Iberville Parish, Louisiana13$1,089,560.64
St. James Parish, Louisiana29$881,338.88
St. Mary Parish, Louisiana19$742,214.06
Pointe Coupee Parish, Louisiana16$625,570.00
Ouachita Parish, Louisiana7$461,591.36
Rapides Parish, Louisiana5$325,813.78
Vermilion Parish, Louisiana7$302,114.64
East Feliciana Parish, Louisiana13$238,586.55
West Baton Rouge Parish, Louisiana7$210,302.27
St. Landry Parish, Louisiana19$202,239.44
St. Helena Parish, Louisiana10$174,853.04
Iberia Parish, Louisiana11$173,322.63
Morehouse Parish, Louisiana8$145,232.28
West Feliciana Parish, Louisiana8$112,010.81
St. Martin Parish, Louisiana5$109,097.73
Assumption Parish, Louisiana9$102,789.74
Avoyelles Parish, Louisiana7$74,126.20
Evangeline Parish, Louisiana5$68,919.44
Caldwell Parish, Louisiana3$59,425.08
Franklin Parish, Louisiana3$30,046.39
Lincoln Parish, Louisiana6$21,732.79
Bossier Parish, Louisiana2$18,284.82
Concordia Parish, Louisiana2$13,936.51
Allen Parish, Louisiana2$7,693.90
Acadia Parish, Louisiana3$6,977.16
Catahoula Parish, Louisiana3$6,612.52
Natchitoches Parish, Louisiana2$6,431.64
Union Parish, Louisiana3$4,526.49
Richland Parish, Louisiana1$3,190.63
Cameron Parish, Louisiana1$1,878.08

Projects FEMA labels statewide

Project worksheets
344
Federal share obligated
$97,755,204.58
Median days to first recorded obligation
351

Timing uses 344 dated worksheets and starts on the original declaration date. Earliest first obligation September 3, 2012. Most recent obligation in the project snapshot January 28, 2026.

Funded worksheets by category
Work categoryWorksheetsFederal share obligated
Emergency Protective Measures107$73,974,326.66
Management Costs1$10,042,175.00
Buildings and Equipment191$7,344,308.67
Debris Removal26$5,812,233.88
Roads and Bridges7$284,297.10
Parks, Recreational Facilities, and Other Items11$232,968.77
Water Control Facilities1$64,894.50
First obligations by year
Year of first recorded obligation
YearWorksheets
201255
2013137
2014125
201514
201612
20211

Project worksheet revisions

515 worksheets have dated revisions. The table shows up to 12 of the largest last revisions by dollar amount.

Browse every worksheet timeline for this declaration

Latest documented revisions
WorksheetLast date in activity fileLast signed changeNet in activity file
Worksheet 606July 15, 2014$17,297,805.92$17,520,709.67
Worksheet 584February 8, 2024-$9,216,557.11$4,532,157.94
Worksheet 566September 4, 2014$9,018,511.09$10,047,001.20
Worksheet 1576June 5, 2014$7,929,999.00$10,042,175.00
Worksheet 567July 10, 2014-$7,929,554.25$0.00
Worksheet 59July 27, 2023-$6,101,718.12$11,026,654.38
Worksheet 16March 22, 2016$4,068,354.19$5,713,629.19
Worksheet 1186July 10, 2014-$3,321,106.50$0.00
Worksheet 1475January 28, 2026$2,304,319.31$6,917,648.23
Worksheet 7April 4, 2014-$2,023,926.52$3,942,323.48
Worksheet 27March 28, 2013-$1,295,319.29$0.00
Worksheet 246August 15, 2024-$1,175,577.74$1,187,357.90

How to read these FEMA records

America.co analysis of Federal Emergency Management Agency OpenFEMA data, retrieved November 10, 2026.

FEMA declarations · Owner assistance data · Renter assistance data · Funded project data · Grant award activity