Home Assistance Programs

Tips to Prevent Frozen Pipes


Colors of Spray-Paint Markings Indicating Buried Utilities

The City’s Digger Program on request will mark the location of buried utilities using the codes below.

  • Red : Electric power lines (e.g. ComEd), cables, conduit, and lighting cables (e.g. City street lights)
  • Orange : Telecommunication (e.g. AT&T, Comcast, RCN) , alarm or signal lines, cables, or conduit
  • Yellow : Natural gas (e.g. Peoples Gas), oil, steam, petroleum, or other gaseous or flammable material
  • Green : Sewers and drain lines (Chicago Dep’t of Water Management)
  • Blue: Water supply lines (Chicago Dep’t of Water Management)
  • White: Proposed section for excavation/tear-up