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

One Call Centers

811 or


1110 Centre Pointe Curve
Mendota Heights, MN 55120


M - F 0700 1700 Nov 1 - Mar 31, M-F 0600 - 1800 Apr 1 - Oct 31

Advance Notice:

48 hours, excluding weekends and holidays

Marks Valid:

14 calendar days



Legislative Information

yes Mandatory Membership
yes Civil Penalties
yes Tolerance Zone 24"
yes Hand Dig Clause
yes Mandatory Premark
yes Emergency Clause
yes Positive Response
no Depth Exemption

Regional Partners

Minnesota Regional CGA

Geographic Location:

State of Minnesota


Alicia Berger
Minnesota Regional CGA

Partner Since:

December 2002


The Minnesota Regional Common Ground Alliance is a member-driven association dedicated to ensuring public safety, and the integrity of services by promoting effective damage prevention practices. In promoting a spirit of shared responsibility, the Minnesota Regional CGA welcomes all stakeholders who would like to be a part of the identification and promotion of best practices that lead to a reduction in all damages.