Learn how about 811 before digging on your residential property. The information you will need when you call or place a notification online. Submit a locate request online for your residential …

PA ONE CALL - TEMPORARY MARKING GUIDELINES CALL 8-1-1 BEFORE YOU DIG! White- Proposed excavation Pink- Temporary survey markings Red- Electric power lines.

Ever wonder what the colored lines mean on the streets, grass and sidewalks? Using the PA One Call system, markings are made by the various utilities whenever anyone proposes to dig …

If you have questions regarding the APWA Uniform Color Code, we recommend contacting your state's Utility Notification Center. For contact information, please choose your state above and …

Yellow: Gas, Oil, Steam, Petroleum, or Gaseous Materials. Orange: Communication, Alarm or Signal Lines, Cables or Conduit. Blue: Potable Water. Purple: Reclaimed Water, Irrigation and …

Discover how the PUC regulates the pipeline utility industry in Pennsylvania, including information on safety, emergencies, PA One Call and inspections.

What Do the Colors Mean? The Color Code website for an explanation of the temporary markings.

Call on Monday or Tuesday if you plan to dig on Saturday or Sunday. The utility companies will mark where their underground lines are located with colored paint, flags or chalk. Do not …

Safe digging is no accident! Know what's below. Dial 8-1-1 before you dig. The following information is needed when you call PA One Call System. COUNTY - The name of the county …

Jul 30, 2025 · Keeping track of what’s exactly buried underground on a worksite can be a challenge, which is why utility locators follow the uniform color codes mandated by the …