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

Request GIS Data
What GIS data may I access?
Request Pipeline GIS data
Download Coastal Ecological Unusually Sensitive Area (USA) GIS data
Download Population and Commercially Navigable Waterway High Consequence Area (HCA) GIS data
Looking for pipeline GIS data?
What GIS data may I access?
Request Pipeline GIS data

PIMMA User Login

PIMMA IS RESTRICTED TO GOVERNMENT OFFICIALS AND PIPELINE OPERATORS WITH NPMS ACCOUNTS

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The National Pipeline Mapping System contains information about hazardous liquid and gas transmission pipelines under the jurisdiction of US DOT PHMSA.
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