DisasterAWARE
7
Very High

flood Flood Risk in New Orleans, LA

Risk Level: Very High — Score 7/10

FEMA: 7Historical: 10

Live Flood alert status near New Orleans

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Live flood activity around New Orleans — refreshed throughout the day.

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Key Risk Factors

  • FEMA rates New Orleans's county as Relatively High risk
  • Estimated annual loss of $47M from this hazard type
  • Extensive history of significant events in this area
  • High recent activity — multiple events in the last 12 months
  • 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

1
New York, NY
FEMA: 9Historical: 10
2
Los Angeles, CA
FEMA: 9Historical: 10
3
Chicago, IL
FEMA: 9Historical: 10
4
Houston, TX
FEMA: 9Historical: 10
5
Phoenix, AZ
FEMA: 9Historical: 10
6
Philadelphia, PA
FEMA: 9Historical: 10
7
San Antonio, TX
FEMA: 9Historical: 10
8
San Diego, CA
FEMA: 9Historical: 10
9
Dallas, TX
FEMA: 9Historical: 10
10
San Jose, CA
FEMA: 9Historical: 10
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

DisasterAWARE's historical archive records 5 notable flood events near New Orleans, ranked below by impact. The most impactful: Flood - New Orleans, LA Region, United States (May 2025) — 489,000 people exposed; $83,003M capital exposed.

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

July 25, 2024 — WARNING

282,000 people exposed; $52,549M 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 29, 2022 — WARNING

Impact data not available

Flood - New Orleans, LA Region, United States

July 4, 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
Earthquake Risk in New Orleans
Score: 3/10
wildfire
Wildfire Risk in New Orleans
Score: 1/10
hurricane
Hurricane Risk in New Orleans
Score: 9/10
tornado
Tornado Risk in New Orleans
Score: 5/10
winter-storm
Winter Storm Risk in New Orleans
Score: 7/10
landslide
Landslide Risk in New Orleans
Score: 1/10
extreme-heat
Extreme Heat Risk in New Orleans
Score: 7/10
drought
Drought Risk in New Orleans
Score: 3/10
high-wind
High Wind Risk in New Orleans
Score: 3/10
tsunami
Tsunami Risk in New Orleans
Score: 0/10
flood
Flood Risk in Houston, TX
Score: 9/10
flood
Flood Risk in Memphis, TN
Score: 7/10
flood
Flood Risk in Atlanta, GA
Score: 7/10

How this data is built

New Orleans, LA flood risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live flood monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.

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