PA One Call

  • STOP! Call Before You Dig!
  • DIAL 8 1 1 or 1-800-242-1776
  • No Charge for Homeowners
  • And It’s The Law!

Planning a project that requires digging? State law requires you to call the Pennsylvania One Call System, Inc. at least three business days before you dig. They will mark the location of any underground wires, etc. to help keep you safe. Whether you are landscaping, installing an invisible pet fence, or taking on a similar project, don’t guess—play it safe and call.

Sometimes you notice paint marks on the street and/or flags in your yard, not to worry–the markings are there for your protection.

The Pennsylvania One Call system is a non-profit Pennsylvania corporation created to help protect the underground facilities of members through communication with any person planning to disturb the earth. The purpose is to prevent damage to underground facilities. To promote safety, they provide an efficient and effective communications network among project owners, designers, excavators, and facility owners, and have created a uniform color code for various utilities. They are as follows:

Whiteproposed excavation
Pinktemporary survey markings
Redelectric power lines, cables, conduit and lighting cables
Yellowgas, oil, steam, petroleum or gaseous materials
Orangecommunication, alarm or signal lines, cables or conduit
Bluewater, irrigation and slurry lines
Purplereclaimed water, irrigation and slurry Lines
Greensewers (sanitary and storm) and drain lines