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Access Pipeline Maps and Information
What is the difference between PIMMA and the Public Map Viewer?
Launch the Public Map Viewer
NPMS Pipeline Attribute Data Dictionary
Find who's operating pipelines in your area (Operator Directory)
Download nationwide PDF map
Download CO2 pipeline PDF map
Download summary of active pipeline mileage by county
Download summary of active LNG plants by county
View pipeline operator information from PHMSA

Request GIS Data or Information
What GIS data may I access?
Download Coastal Ecological Unusually Sensitive Area (USA) GIS data
Download Population and Commercially Navigable Waterway High Consequence Area (HCA) GIS data
PHMSA regional offices contact information
Freedom of Information Act (FOIA)
Please note that NPMS pipeline data is protected by PHMSA’s NPMS Data Access Policy and by FOIA exemptions. For further information on NPMS data security, please go to What data may I access?.

Other Resources
Pipeline and Hazardous Materials Safety Administration (PHMSA)
PHMSA Stakeholder Communications
Call 811 – Know what’s below
Pipelines and Informed Planning Alliance (PIPA)
Pipeline Basics
Looking for pipeline GIS data?
What GIS data may I access?

Public Map Viewer

PIPELINE MAPS FOR THE GENERAL PUBLIC – NO NPMS ACCOUNT REQUIRED

About Public Map Viewer

Use Public Map Viewer