811 "Call Before You Dig" was created to provide a nationwide, easily accessible resource when you are digging. Every dig requires a call.  Underground utility location markings are color coded as follows: 

Electric…..red

Gas…..yellow 

Phone / Cable…..orange 

Potable Water…..blue 

Reclaimed / Irrigation Water…..purple

Sewer…..green 

For more information, please call 811 or visit the Georgia 811 website.