Tolerance Zones
READY TO DIG?
Whether you are installing a mailbox or building a fence, you are required to contact Arkansas 811 before you begin digging. There are multiple ways you can request to have underground lines located. You can contact us by going online, via our app Arkansas 811, or by simply dialing 8-1-1. All methods are free and available 24/7!
large pipe or multiple ducts
small pipe or cable
Marking Colors
Locators use the APWA uniform color code to mark underground facilities. Each color used represents a different type of utility.
RED - Electric Power Lines, Conduit and Lighting Cables
ORANGE - Communication, Alarm or Signal Lines Cables
Yellow - Gas, Oil, Petroleum or Gaseous Materials
GREEN - Sewer and Drain Lines
BLUE - Potable (drinkable) Water
PURPLE - Reclaimed Water, Irrigation and Slurry Lines
PINK - Temporary Survey Markings
WHITE - Proposed Excavation
