Levees / Oregon / 5005000044

Peninsula Drainage District 2

Portland, Multnomah County, Oregon. On the Columbia. USACE records 8,222 people living in the area this system is built to protect.

Accredited Levee SystemUSACE oversight
People behind it
8,222
USACE figure
Structures
1,280
in the leveed area
Levee length
4.2
miles, plus 0.31 of floodwall
Leveed area
2.43
square miles
01

The federal record

System ID
5005000044
System type
Levee System
FEMA accreditation
Accredited Levee System
Screening rating (LSAC)
Moderate
Inspection rating
Not published
Inspection date
05/01/2025
Rehabilitation programme
Active
Responsible sponsor
Urban Flood Safety and Water Quality District
Waterway
Columbia
Segments
1
USACE district
Portland
USACE division
Northwestern Division
FEMA region
10
Congressional district
03
Consequence estimate
$1.78 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

Source: USACE National Levee Database, system 5005000044. 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.