Natural Disasters in Hahnville, LA
Hazard risk, disaster history, and FEMA data
Natural Hazard Risk
Source: FEMA National Risk IndexRisk Score
85.1
Relatively Moderate
Expected Annual Loss
85.5
Score (0-100)
Social Vulnerability
41.7
Score (0-100)
Community Resilience
100.0
Score (0-100)
Scores range from 0 (lowest risk) to 100 (highest risk) relative to all U.S. communities. Data from FEMA National Risk Index.
Disaster History & Federal Spending
Source: FEMATotal Declarations
51
Public Assistance
$83.8M
Individual Assistance
$83.4M
Most Common Type
Hurricane
31 declarations
Public Assistance by Category
| Disaster | Type | Date | PA $ | IA $ |
|---|---|---|---|---|
| Severe Winter Storm → | Winter Storm | Jan 2026 | — | — |
| Hurricane Francine → | Hurricane | Sep 2024 | $1.3M | $3.6M |
| Tropical Storm Francine → | Hurricane | Sep 2024 | — | — |
| Tropical Storm Nicholas → | Coastal Storm | Sep 2021 | — | — |
| Hurricane Ida → | Hurricane | Aug 2021 | $48.2M | $44.8M |
| Tropical Storm Ida → | Hurricane | Aug 2021 | — | — |
| Severe Winter Storms → | Severe Ice Storm | Mar 2021 | — | — |
| Severe Winter Storm → | Severe Ice Storm | Feb 2021 | — | — |
| Hurricane Zeta → | Hurricane | Jan 2021 | $839K | $6K |
| Tropical Storm Zeta → | Hurricane | Oct 2020 | — | — |
| Hurricane Delta → | Hurricane | Oct 2020 | $48K | — |
| Hurricane Delta → | Hurricane | Oct 2020 | — | — |
| Hurricane Sally → | Hurricane | Sep 2020 | $497K | — |
| Hurricane Laura → | Hurricane | Aug 2020 | $170K | — |
| Tropical Storms Laura and Marco → | Hurricane | Aug 2020 | — | — |
| Tropical Storm Cristobal → | Coastal Storm | Jun 2020 | $12K | — |
| Covid-19 Pandemic → | Biological | Mar 2020 | $1.1M | $98K |
| Covid-19 → | Biological | Mar 2020 | — | — |
| Hurricane Barry → | Hurricane | Aug 2019 | $733K | — |
| Tropical Storm Barry → | Coastal Storm | Jul 2019 | — | — |
Showing 20 of 56 disasters
PA = FEMA Public Assistance (infrastructure recovery). IA = Individual Assistance (homeowner/renter aid).
Flood Insurance (NFIP)
Source: FEMA NFIPTotal Claims
7,449
Total Claims Paid
$156,594,830
Avg Claim Payout
$21,022
County-level NFIP data from FEMA National Flood Insurance Program.
Hazard Mitigation
Source: FEMA Hazard Mitigation AssistanceMitigation Projects
52
Federal Funding
$47,470,635
Properties Protected
172
Avg Benefit-Cost Ratio
2.40
BCR
Top Mitigation Project Types
| Project Type | Projects | Federal $ |
|---|---|---|
| 205.8: Retrofitting Public Structures - Wind | 10 | $3,437,658 |
| 202.1: Elevation of Private Structures - Riverine | 9 | $12,667,524 |
| 403.1: Stormwater Management - Culverts | 7 | $9,013,362 |
| 202.2: Elevation of Private Structures - Coastal | 4 | $5,919,279 |
| 403.2: Stormwater Management - Diversions | 4 | $11,618,162 |
Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.
Hahnville has a relatively moderate overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are hurricane, coastal flood, heat wave. The area has had 51 federal disaster declarations. The most common disaster type is hurricane (31 declarations). 7,449 flood insurance claims have been filed in the area. FEMA has obligated $83,763,220 in public assistance recovery funding. $83,434,845 has been distributed in individual assistance to disaster-affected residents. 52 hazard mitigation projects have been funded to reduce future risk.