Levees / Louisiana / 4405000523

Mississippi River West Bank - Above Morganza

Simmesport, Pointe Coupee Parish, Louisiana. On the Atchafalaya River, Mississippi River. USACE records 2,384 people living in the area this system is built to protect.

Accredited Levee SystemUSACE oversight
People behind it
2,384
USACE figure
Structures
1,340
in the leveed area
Levee length
56.0
miles
Leveed area
126.54
square miles
01

The federal record

System ID
4405000523
System type
Levee System
FEMA accreditation
Accredited Levee System
Screening rating (LSAC)
Moderate
Inspection rating
M
Inspection date
07/16/2012
Rehabilitation programme
NA
Responsible sponsor
Atchafalaya Basin Levee District, USACE - New Orleans District
Waterway
Atchafalaya River, Mississippi River
Segments
1
USACE district
New Orleans
USACE division
Mississippi Valley Division
FEMA region
6
Congressional district
06
Consequence estimate
$226.2 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 4405000523. 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.