Levees / California / 3805030012

Santa Ana River/Warm Creek

San Bernardino, San Bernardino County, California. On the Santa Ana River, Santa Ana River, Twin Creek, Warm Creek. USACE records 1,511 people living in the area this system is built to protect.

Non-Accredited Levee SystemUSACE oversight
People behind it
1,511
USACE figure
Structures
34
in the leveed area
Levee length
3.2
miles, plus 0.61 of floodwall
Leveed area
0.63
square miles
01

The federal record

System ID
3805030012
System type
Levee System
FEMA accreditation
Non-Accredited Levee System
Screening rating (LSAC)
Low
Inspection rating
U
Inspection date
08/19/2014
Rehabilitation programme
Inactive
Responsible sponsor
San Bernardino County Flood Control District
Waterway
Santa Ana River, Santa Ana River, Twin Creek, Warm Creek
Segments
3
USACE district
Los Angeles
USACE division
South Pacific Division
FEMA region
9
Congressional district
33
Consequence estimate
$99.1 million
Flood of record
01/01/2005

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 3805030012. 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.