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Missouri One Call System (MOCS) 1-800-DIG-RITE or 811

APWA Uniform Color Codes

Color Codes Red=Electric Yellow=Gas-Oil-Steam Orange=Communication-CATV Blue=Water Green=Sewer Fluorescent Pink=Temporary Survey Markings White=Proposed Excavation Purple=Reclaimed Water

Common Facility Identifiers

COLOR

UTILITY TYPE

RED E=electric, RR=railroad signal, SL=street lighting, TS=traffic signal
YELLOW CH=chemincal, G=gas, LPG=liquified petroleum gas, PP=petroleum products
BLUE W=water
GREEN S=sewer, SD=storm drain, SS=sewer
ORANGE FO=fiber optic, TEL=telephone, TV=cable television

Safe Digging Education

Safe digging is everyone’s responsibility. It’s a free service to notify Missouri One Call of your planned excavation to help prevent damages that may result in fines, utility service interruption and injury or even death. The 5 short video segments below detail how to dig safely.

Always Call or Click Before you Dig! The Process.
Wait the Required Amount of Time
Confirming Utility Response
Understanding and Respecting the Marks
Safe Digging Practices