7
Very High
Flood Risk in New Orleans, LA
Risk Level: Very High — Score 7/10
FEMA: 7Historical: 10
Key Risk Factors
- FEMA rates New Orleans's county as Relatively High risk
- Estimated annual loss of $47M from this hazard type
- 650 significant events recorded in proximity since 1950
- 164 events in the last 12 months indicate ongoing risk
- Average annual frequency: 2.7 events per year
Peak season: March-September
Last significant event: Flood - New Orleans, LA Region, United States (2025-05-29) — 489,000 people exposed
Highest Risk Cities for Floods
New Orleans is not in the top 10 for flood risk among tracked cities.
How New Orleans Compares
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Notable Flood Events Near New Orleans
Flood - New Orleans, LA Region, United States
May 28, 2025 — WARNING
489,000 people exposed; $83,003M capital exposed
Flood - New Orleans, LA Region, United States
August 28, 2023 — WARNING
Impact data not available
Flood - New Orleans, LA Region, United States
July 25, 2024 — WARNING
282,000 people exposed; $52,549M capital exposed
Flood - New Orleans, LA Region, United States
July 4, 2022 — WARNING
Impact data not available
Flood - New Orleans, LA Region, United States
July 29, 2022 — WARNING
Impact data not available
Flood Preparedness Tips
- 1.Know if your property is in a flood zone — check FEMA maps
- 2.Consider flood insurance even if not in a high-risk zone
- 3.Never drive through flooded roadways — Turn Around, Don’t Drown
- 4.Move valuables and important documents to upper floors
- 5.Install sump pumps and check valves in plumbing
Related Pages
Earthquake Risk in New Orleans
Score: 3/10
Wildfire Risk in New Orleans
Score: 1/10
Hurricane Risk in New Orleans
Score: 9/10
Tornado Risk in New Orleans
Score: 5/10
Winter Storm Risk in New Orleans
Score: 7/10
Landslide Risk in New Orleans
Score: 1/10
Extreme Heat Risk in New Orleans
Score: 7/10
Drought Risk in New Orleans
Score: 3/10
High Wind Risk in New Orleans
Score: 3/10
Tsunami Risk in New Orleans
Score: 0/10
Flood Risk in Houston, TX
Score: 9/10
Flood Risk in Memphis, TN
Score: 7/10
Flood Risk in Atlanta, GA
Score: 7/10
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