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: National Pipeline Mapping System

Notice; Issuance of Advisory Bulletin.

This document advises gas transmission pipeline operators, hazardous liquid pipeline operators, and Liquefied Natural Gas (LNG) plant operators of voluntary changes pertaining to submittal dates and Operator ID numbers for National Pipeline Mapping System (NPMS) submissions.

View PDF