Levees / Iowa / 4705000033

L-611-614-MoRiv LB & Upr Pony Creek LB & L1B LB

Mills County, Iowa. On the Missouri River, Pony Creek. USACE records 398 people living in the area this system is built to protect.

See FIRM Panel for more informationUSACE oversight
People behind it
398
USACE figure
Structures
409
in the leveed area
Levee length
21.2
miles
Leveed area
37.09
square miles
01

The federal record

System ID
4705000033
System type
Levee System
FEMA accreditation
See FIRM Panel for more information
Screening rating (LSAC)
Low
Inspection rating
M
Inspection date
09/21/2015
Rehabilitation programme
Active
Responsible sponsor
Mills & Pottawattamie Missouri River Levee District, Unknown Levee Owner
Waterway
Missouri River, Pony Creek
Segments
2
USACE district
Omaha
USACE division
Northwestern Division
FEMA region
7
Congressional district
04
Consequence estimate
$152.8 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 4705000033. 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.