Know what’s below
Quickly create a ticket or locate request now
If you’re digging deep or even just a few inches, you must contact Colorado 811 to have underground utilities marked. iDig811 is designed for residential and professional excavators to easily and quickly submit a utility request online.
Where To Start
Homeowners
iDig811 is designed for residential excavators to easily submit utility locate requests online. However, emergency tickets may not be processed through this program, make sure to always call 811 for emergency tickets.
Professional Excavators
Online ticket requests or Colorado 811 Tier One Members can access the Positive Response system via phone or web to submit the appropriate responses to the locate requests.
Homeowners
iDig811 is designed for residential excavators to easily submit utility locate requests online. However, emergency tickets may not be processed through this program, make sure to always call 811 for emergency tickets.
Professional Excavators
Web ticket entry is designed for professional excavators to submit utility locate requests online. Avoid potential hold times, process normal, non-compliant, second notice, relocate/refresh, and canceled requests from you desktop, tablet, or mobile device.
If You’re Digging, You’ll Need an Underground Utility, Wire or Cable Locator
So Click or Call Before you Dig!
Practicing safe digging and excavation starts with contacting Colorado 811. Whether you’re a homeowner wanting to refresh your yard or a professional excavator, you need to know what’s below! Colorado 811 makes it easy for homeowners and professionals who are going to excavate do so safely by submitting a utility locating ticket request online, or call 811 before you dig. Either way, you can have the underground cables, wires and utilities marked before you begin excavating so that you are safe and do not destroy important underground facilities.
Frequently Asked Questions
Yes, no matter how shallow or how deep you are digging, you must contact 811 first. Colorado State law defines excavation as “any operation in which earth is moved or removed by means of any tools, equipment, or explosives and includes augering, backfilling, boring, ditching, drilling, grading, plowing-in, pulling-in, ripping, scraping, trenching, hydro excavating, postholing, and tunneling”.
You need to contact 811 before you dig, so you can avoid hitting any underground utilities, such as cables, wires or pipes. It’s also the law to contact 811 before you dig.
There is no cost, it’s a free service.
The utility companies will mark the lines, some have in-house locators who mark their lines, while other hire a locating firm to mark their lines. Colorado 811 is not a locating company and does not locate utilities.
You can start digging once you have all your markings or positive response from the utilities on your ticket.
Positive Response is mandated under the Colorado State law, to be provided by the underground facility owner to the excavator or homeowner requesting the locate request. The facility owner is required to post Positive Response through the Colorado Positive Response system. Positive Response lets the excavator or homeowner know the status of the ticket.
Utility owners and operators follow the APWA (American Public Works Association) standard color code to mark the locations of their underground facilities. The following colors are used:
RED – Electric Power Lines, Cables, Conduit and Lighting Cables
YELLOW – Gas, Oil, Steam, Petroleum or Gaseous Materials
ORANGE – Communication, Alarm or Signal Lines, Cables or Conduit
BLUE – Potable Water
PURPLE – Reclaimed Water, Irrigation and Slurry Lines
GREEN – Sewers and Drain Lines
WHITE – Proposed Excavation
PINK – Temporary Survey Markings
A facility owner is an organization such as companies, municipalities, etc. who own and/or operate underground utilities. Facility owners that register their underground utilities with Colorado 811 are known as members.
The depth of utilities varies by location and by type. Erosion or leveling may cause the depth of a utility to change over time. For that reason, utility owners/operators only indicate depth if it is known.
Private utilities are owned by the owner of a property and will not be marked with your request. These can include water and sewer laterals, power to a detached garage, sprinkler/irrigation systems, lines connected to a propane tank or septic system, etc. There may be private utilities within your dig area. It is your responsibility to have private facilities marked. For a list of private locating companies, please visit https://colorado811.org/private-locate-companies/.
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