Levees / California / 150005000077

Marin County Levee 57 WWTP

Mill Valley, Marin County, California. USACE records 43 people living in the area this system is built to protect.

Non-Accredited Levee System
People behind it
43
USACE figure
Structures
12
in the leveed area
Levee length
0.3
miles
Leveed area
0.01
square miles
01

The federal record

System ID
150005000077
System type
Levee System
FEMA accreditation
Non-Accredited Levee System
Screening rating (LSAC)
Not Screened
Inspection rating
Not published
Inspection date
Not published
Rehabilitation programme
Not Enrolled
Responsible sponsor
Unknown Levee Owner
Waterway
Not published
Segments
1
USACE district
San Francisco
USACE division
South Pacific Division
FEMA region
9
Congressional district
02
Consequence estimate
$15.6 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

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

Source: USACE National Levee Database, system 150005000077. 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.