Calling 811 before every digging job gets your underground pipelines and utility lines marked for free and helps prevent hazardous consequences.

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Always Call Before You Dig

Homeowners often make risky assumptions about whether or not they should get their pipelines and utility lines marked, but every digging job requires a call – even small projects like planting trees and shrubs. The depth of utility lines varies and there may be multiple lines in a common area. Digging without calling can disrupt service to an entire neighborhood, harm you and those around you, and potentially result in fines and repair costs.


When contacting 811, provide the One Call Center with the:

  • Project location and address
  • Project description
  • Project duration
  • Special instructions helpful for marking the site

You should always wait the required time to allow utility and pipeline representatives to mark the location of lines in the area. In addition, the One Call Center will provide you with a locate request number and a list of companies who will be notified. Keep this information with you on the project site.

Excavation and One Call requirements differ from state to state. Check with your state prior to beginning any project. For additional information about your state’s One Call requirements, go to

For more information about 811 and the "Call Before You Dig" process, go to

Plains All American Pipeline supports the Common Ground Alliance (CGA). CGA is a member-driven association dedicated to ensuring public safety, environmental protection, and preventing damage to North American underground infrastructure by promoting effective damage prevention practices.