Levees / Louisiana / 1605992324

MISSISSIPPI RIVER (Plaquemines-1 Left side)

Belle Chasse, Plaquemines Parish, Louisiana. On the Gulf of America. USACE records 678 people living in the area this system is built to protect.

Non-Accredited Levee SystemFederally built
People behind it
678
USACE figure
Structures
607
in the leveed area
Levee length
17.7
miles, plus 0.16 of floodwall
Leveed area
16.22
square miles
01

The federal record

System ID
1605992324
System type
Levee System
FEMA accreditation
Non-Accredited Levee System
Screening rating (LSAC)
Not Screened
Inspection rating
Not published
Inspection date
Not published
Rehabilitation programme
Not Enrolled
Responsible sponsor
Plaquemines Levee District
Waterway
Gulf of America
Segments
1
USACE district
New Orleans
USACE division
Mississippi Valley Division
FEMA region
6
Congressional district
01
Consequence estimate
$570.4 million
Flood of record
Not published

What this page does not tell you

It does not say whether any particular address is protected. A FEMA accreditation status describes this system measured against a design flood event, and USACE states that the database may not represent the totality of levees in the United States. If you need to know what applies to a specific property, your local floodplain administrator holds that answer. How to read an accreditation status.

02

Where it is

Source: USACE National Levee Database, system 1605992324. Refreshed 2026-09-10. Values are reproduced as published. USACE updates the database irregularly and without a change feed, so the refresh date above is the age of what you are reading.