Levees / California / 5205000412

Cache Creek - RD 2035 - Willow Bypass

Woodland, Yolo County, California. On the Cache Creek, Cache Creek, Willow Bypass, Willow Slough, Yolo Bypass. USACE records 8,975 people living in the area this system is built to protect.

Non-Accredited Levee SystemUSACE oversight
People behind it
8,975
USACE figure
Structures
2,227
in the leveed area
Levee length
29.1
miles
Leveed area
42.84
square miles
01

The federal record

System ID
5205000412
System type
Levee System
FEMA accreditation
Non-Accredited Levee System
Screening rating (LSAC)
High
Inspection rating
Not published
Inspection date
05/18/2021
Rehabilitation programme
Active
Responsible sponsor
CA Department of Water Resources, Central Valley Flood Protection Board, RD 2035 - Conaway Tract, Sacramento Maintenance Yard - DWR, Yolo County Public Works
Waterway
Cache Creek, Cache Creek, Willow Bypass, Willow Slough, Yolo Bypass
Segments
6
USACE district
Sacramento
USACE division
South Pacific Division
FEMA region
9
Congressional district
04
Consequence estimate
$1.61 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

California
All levee systems in this state
Yolo County, CA
All levee systems in this county

Source: USACE National Levee Database, system 5205000412. 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.