Montana

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Before You Dig in Montana

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

811 Center Information

Montana 811

Legislative Information

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  • MCA Title 69, Chapter4, Parts 501-514
  • Mandatory Membership
  • Civil Penalties
  • Tolerance Zone 18"
  • Hand Dig Clause
  • Mandatory Premark
  • Emergency Clause
  • Positive Response
  • Depth Exemption

Advanced Notice
2 business days
Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.

2 business days
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.

Switch to Homeowner View