State Resource & Information Map


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

One Call Center Information

Advanced Notice: 2 working 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: As long as visible
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.

Missouri 811

Logo of Missouri 811

Randy Norden

Executive Director

811 or 800-344-7483

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Legislative Information

Mandatory Membership
Civil Penalties
Tolerance Zone 24"
Hand Dig Clause
Mandatory Premark
Emergency Clause
Positive Response
Depth Exemption

Regional Partners

Missouri Common Ground

Geographic Location:
State of Missouri

Partner Since:
September 2002

Promote communication within Missouri among responsible parties to identify and encourage the use of Best Practices for underground facility damage prevention for public safety and welfare.

Ron Peterson
Missouri Common Ground

Become a Regional Partner

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