SDG&E: Pipeline basics - Your safety comes first

Updated: Feb 11, 2019

Whether you use natural gas at home or work, pipelines are needed to deliver it to you safely. SDG&E routinely patrols, tests, repairs and replaces pipelines, and conducts ongoing training and testing for employees.


Our goal is to identify and resolve potential problems to help prevent major problems. These preventive actions include:

•Managing a rigorous pipeline integrity safety program in highly populated areas.

•Using advanced safety inspection tools to monitor pipe condition and verify that pipelines are being maintained safely.

•Monitoring areas around pipelines to maintain proper clearance from shrubs, trees, fences and other obstructions that could hinder these important inspection activities.

You can find the approximate location of major pipelines near you in two ways:

•Pipeline markers, such as the one shown above, indicate the general location but not the depth or number of buried pipelines in the area. These yellow markers display the pipeline operator's name and a phone number to call in case of emergency.

•Online maps are posted on our website at sdge.com/pipelinemap and on the National Pipeline Mapping System (NPMS) website at www.npms.phmsa.dot.gov.

These maps and markers should never be used as substitutes for contacting DigAlert at 811 or digalert.org.




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540 G St. Chula Vista, CA 91910

Hours of Operation: 8:00am - 4:00pm