Levees / California / 3805010096

Santa Maria River 1

Nipomo, Santa Barbara County, California. On the Santa Maria River. USACE records 72 people living in the area this system is built to protect.

Non-Accredited Levee SystemUSACE oversight
People behind it
72
USACE figure
Structures
27
in the leveed area
Levee length
4.8
miles
Leveed area
6.90
square miles
01

The federal record

System ID
3805010096
System type
Levee System
FEMA accreditation
Non-Accredited Levee System
Screening rating (LSAC)
Low
Inspection rating
U
Inspection date
05/04/2010
Rehabilitation programme
Inactive
Responsible sponsor
Santa Barbara County Flood Control and Water Conservation District
Waterway
Santa Maria River
Segments
1
USACE district
Los Angeles
USACE division
South Pacific Division
FEMA region
9
Congressional district
24
Consequence estimate
$10.5 million
Flood of record
12/01/1966

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 3805010096. 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.