Levees / Nebraska / 4705000055

Norfolk - Elkhorn RB

Norfolk, Madison County, Nebraska. On the North Branch of the Elkhorn River. USACE records 11,400 people living in the area this system is built to protect.

Accredited Levee SystemUSACE oversight
People behind it
11,400
USACE figure
Structures
5,385
in the leveed area
Levee length
4.2
miles
Leveed area
5.68
square miles
01

The federal record

System ID
4705000055
System type
Levee System
FEMA accreditation
Accredited Levee System
Screening rating (LSAC)
Low
Inspection rating
M
Inspection date
06/03/2021
Rehabilitation programme
Active
Responsible sponsor
City of Norfolk, NE
Waterway
North Branch of the Elkhorn River
Segments
1
USACE district
Omaha
USACE division
Northwestern Division
FEMA region
7
Congressional district
01
Consequence estimate
$1.42 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 4705000055. 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.