Levees / California / 3805010051

San Gabriel River 4

Avocado Heights, Los Angeles County, California. On the San Gabriel River. USACE records 752 people living in the area this system is built to protect.

Non-Accredited Levee SystemUSACE oversight
People behind it
752
USACE figure
Structures
203
in the leveed area
Levee length
1.0
miles, plus 0.07 of floodwall
Leveed area
0.31
square miles
01

The federal record

System ID
3805010051
System type
Levee System
FEMA accreditation
Non-Accredited Levee System
Screening rating (LSAC)
Low
Inspection rating
M
Inspection date
03/22/2012
Rehabilitation programme
NA
Responsible sponsor
USACE - Los Angeles District
Waterway
San Gabriel River
Segments
1
USACE district
Los Angeles
USACE division
South Pacific Division
FEMA region
9
Congressional district
31, 38
Consequence estimate
$142.9 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 3805010051. 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.