Maryland: 3 business days before you dig.
Miss Utility (MD/DC 811) · Md. Code, Public Utilities §§12-124, 12-125, 12-127
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
3 business days
Three to twelve business days, counted from when the ticket is started.
Tolerance zone
18" each side
18 inches from the mark before the line is exposed, and from the facility surface once it is.
Ticket good for
12 business days from the start date you put on the ticket
Worth knowing in Maryland
Maryland and Delaware both say twelve business days and count them from different events. Read the anchor, not the number.
Common questions about digging in Maryland
- How much notice do you have to give before digging in Maryland?
- 3 business days before you break ground, through Miss Utility (MD/DC 811). Three to twelve business days, counted from when the ticket is started.
- How long is an 811 ticket good for in Maryland?
- 12 business days from the start date you put on the ticket.
- What is the tolerance zone in Maryland?
- 18" each side. 18 inches from the mark before the line is exposed, and from the facility surface once it is.
Check it yourself
Every figure here was read off Md. Code, Public Utilities §§12-124, 12-125, 12-127, 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 Maryland?
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