Levees / Washington / 5505000178

Miller RB / Norman / Stillaguamish Seg 10

Stanwood, Snohomish County, Washington. On the Stillaguamish River. USACE records 479 people living in the area this system is built to protect.

Non-Accredited Levee SystemFederally built
People behind it
479
USACE figure
Structures
215
in the leveed area
Levee length
11.0
miles, plus 0.04 of floodwall
Leveed area
4.97
square miles
01

The federal record

System ID
5505000178
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
Inactive
Responsible sponsor
Stillaguamish Flood Control District
Waterway
Stillaguamish River
Segments
3
USACE district
Seattle
USACE division
Northwestern Division
FEMA region
10
Congressional district
02
Consequence estimate
$408.3 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 5505000178. 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.