Explore damage prevention information, local contacts and rules for safe digging in Pennsylvania.
One Call Centers
Address:925 Irwin Run Road
West Mifflin PA 15122
Hours:24 / 7
Advance Notice:Construction phase - 3 to 10 business days; Design phase - 10 to 90 business days
Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.
Marks Valid:as long as equipment is kept on site
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.