Each JULIE member is responsible to mark their own underground facilities with paint or flags within the two (2) working day period required by law (excluding Saturdays, Sundays and holidays). The following APWA Uniform Color Code illustrates the colors each utility will use when staking, painting and or flagging the location of a buried utility facility.
| UTILITY/TYPE OF PRODUCT | IDENTIFICATION COLOR | |
| Gas, Oil, Steam, Petroleum | Yellow | |
| Electric | Red | |
| Potable Water | Blue | |
| Communication, TV | Orange | |
| Sewer and Drain Lines | Green | |
| Reclaimed Water, Irrigation | Purple | |
| Temporary Survey | Pink | |
| Proposed Excavation | White | Black on snow |