National Pipeline Mapping System - Map Tool

The NPMS Public Map Viewer allows everyone, including the general public to view maps of Gas Ttransmission, Hazardous Liquid and Carbon dioxide pipelines, Liquefied Natural Gas (LNG) plants, and Hazardous Liquid breakout tanks in one selected county. Gas Distribution and Gas Gathering systems are not included in NPMS. Users are permitted to print maps of the data, but the data is not downloadable. Always call 811 before digging. Visit https://call811.com/Before-You-Dig for more information.