Levees / Pennsylvania / 4905000030

Johnstown, PA - LB Little Conemaugh

Johnstown, Cambria County, Pennsylvania. On the Little Conemaugh River. USACE records 2,894 people living in the area this system is built to protect.

Non-Accredited Levee SystemUSACE oversight
People behind it
2,894
USACE figure
Structures
248
in the leveed area
Levee length
n/a
miles, plus 0.31 of floodwall
Leveed area
0.14
square miles
01

The federal record

System ID
4905000030
System type
Levee System
FEMA accreditation
Non-Accredited Levee System
Screening rating (LSAC)
Low
Inspection rating
U
Inspection date
04/24/2019
Rehabilitation programme
NA
Responsible sponsor
USACE - Pittsburgh District
Waterway
Little Conemaugh River
Segments
1
USACE district
Pittsburgh
USACE division
Great Lakes and Ohio River Division
FEMA region
3
Congressional district
13
Consequence estimate
$874.9 million
Flood of record
07/20/1977

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 4905000030. 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.