Levees / Arizona / 7005000870

Yuma Valley Levee

Somerton, Yuma County, Arizona. On the Colorado River. USACE records 74,875 people living in the area this system is built to protect.

Accredited Levee SystemFederally built
People behind it
74,875
USACE figure
Structures
22,723
in the leveed area
Levee length
23.0
miles
Leveed area
91.39
square miles
01

The federal record

System ID
7005000870
System type
Levee System
FEMA accreditation
Accredited Levee System
Screening rating (LSAC)
Moderate
Inspection rating
M
Inspection date
04/23/2019
Rehabilitation programme
Not Enrolled
Responsible sponsor
Bureau of Reclamation
Waterway
Colorado River
Segments
1
USACE district
Los Angeles
USACE division
South Pacific Division
FEMA region
9
Congressional district
07, 09
Consequence estimate
$9.98 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 7005000870. 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.