Colorado: 2 business days before you dig.
Colorado 811 · CRS 9-1.5-103
Read off the statute on . If it has moved since, tell us and we will re-read it.
A waiting period is not always permission. Some states also require that every operator has answered before you break ground, and some require you to mark your own dig path first. Where we have read that requirement, it is in the notes on this page. Where this page is silent, we have not checked it yet — silence here is not the same as absence. We are working through the rest and dating each one as it lands.
Notice before you break ground
2 business days
Two business days, day of actual notice excluded. Clock starts the day after. No maximum found.
Tolerance zone
18" each side
Ticket good for
30 calendar days from the end of the notice period
Common questions about digging in Colorado
- How much notice do you have to give before digging in Colorado?
- 2 business days before you break ground, through Colorado 811. Two business days, day of actual notice excluded. Clock starts the day after. No maximum found.
- How long is an 811 ticket good for in Colorado?
- 30 calendar days from the end of the notice period.
- What is the tolerance zone in Colorado?
- 18" each side.
Check it yourself
Every figure here was read off CRS 9-1.5-103, not off a summary — summaries of these get the unit wrong, and the unit is usually a weekend. Read the source.
Running a crew in Colorado?
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