Colorado

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Before You Dig in Colorado

Explore damage prevention information, local contacts and rules for safe digging in Colorado.

811 Center Information

Colorado 811

  • 811 or 800-922-1987
  • Visit Website
  • M - F 0700 - 1700
    Emergency Coverage 24/7
  • 16361 Table Mountain Pkwy.
    Golden, CO 80403
  • Claudia Randall, Executive Director

Legislative Information

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  • C.R.S. 9-1.5-101-106
  • Mandatory Membership
  • Civil Penalties
  • Tolerance Zone 18"
  • Hand Dig Clause
  • Mandatory Premark
  • Emergency Clause
  • Positive Response
  • Depth Exemption 4"

Advanced Notice
2 days not to include the day of notice
Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.

2 days not to include the day of notice
Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.

Marks Valid
30 days
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.

30 days
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.

Are You A Homeowner?

Switch to a more simplified view with information helpful for people completing projects on their own property.

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