Levees / Louisiana / 5905000017

Ouachita River LA

Richwood, Ouachita Parish, Louisiana. On the Ouachita River. USACE records 47,912 people living in the area this system is built to protect.

Accredited Levee SystemUSACE oversight
People behind it
47,912
USACE figure
Structures
15,179
in the leveed area
Levee length
96.6
miles, plus 1.91 of floodwall
Leveed area
1084.99
square miles
01

The federal record

System ID
5905000017
System type
Levee System
FEMA accreditation
Accredited Levee System
Screening rating (LSAC)
Moderate
Inspection rating
U
Inspection date
08/04/2010
Rehabilitation programme
Active
Responsible sponsor
Tensas Basin Levee District, USACE - Vicksburg District
Waterway
Ouachita River
Segments
2
USACE district
Vicksburg
USACE division
Mississippi Valley Division
FEMA region
6
Congressional district
04, 05
Consequence estimate
$5.20 billion
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 5905000017. 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.