Levees / California / 5205000411

Cache Crk U1 - Yolo Bypass U2 - Knights Landing U1

Woodland, Yolo County, California. On the Cache Creek, Knights Landing Ridge Cut, Yolo Bypass. USACE records 1,030 people living in the area this system is built to protect.

Non-Accredited Levee SystemUSACE oversight
People behind it
1,030
USACE figure
Structures
396
in the leveed area
Levee length
19.6
miles
Leveed area
33.31
square miles
01

The federal record

System ID
5205000411
System type
Levee System
FEMA accreditation
Non-Accredited Levee System
Screening rating (LSAC)
Moderate
Inspection rating
NA
Inspection date
08/02/2021
Rehabilitation programme
Active
Responsible sponsor
CA Department of Water Resources, Central Valley Flood Protection Board, Knights Landing Ridge Drainage District, Sacramento Maintenance Yard - DWR
Waterway
Cache Creek, Knights Landing Ridge Cut, Yolo Bypass
Segments
3
USACE district
Sacramento
USACE division
South Pacific Division
FEMA region
9
Congressional district
04
Consequence estimate
$100.8 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 5205000411. 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.