USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Pipeline Safety: Overpressure Protection on Low-Pressure Natural Gas Distribution Systems

PHMSA-2020-0025.pdf (257.15 KB)

Advisory bulletin reminding owners and operators of natural gas distribution pipelines of the possibility of failure due to an overpressurization on low-pressure distribution systems.

DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an alternative version of files provided on this page, please contact
Effective Date: Tuesday, September 29, 2020
Issued Date: Thursday, September 24, 2020