California

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Before You Dig in California

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

811 Center Information

Underground Service Alert of Northern California and Nevada

Serving Northern and Central California, from the California/Oregon border south to Kern and San Luis Obispo county.

Underground Service Alert Of Southern California

Serving the following California Counties: Imperial, Inyo, Los Angeles, Orange, Riverside, San Bernardino, San Diego, Santa Barbara and Ventura.

Legislative Information

  • California Government Code 4216
  • California Code of Regulations, Title 8 Section 1541
  • Mandatory Membership
  • Civil Penalties
  • Tolerance Zone 24"
  • Hand Dig Clause
  • Mandatory Premark
  • Emergency Clause
  • Positive Response
  • Depth Exemption

Advanced Notice
2 working days, not including the date of notification, but not more than 14 calendar 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 working days, not including the date of notification, but not more than 14 calendar 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
While the marks are reasonably visible with a valid ticket (tickets valid 28 days)
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.

While the marks are reasonably visible with a valid ticket (tickets valid 28 days)
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.

Regional Partners

Geographic Location:
State of California

Partner Since:
December 2004

Mission:
To promote the use of the Common Ground Best Practices by encouraging stakeholders to accept and fulfill their shared responsibility in damage prevention; to welcome all stakeholders within our region and encourage their participation on this committee; to educate both committee members and non-members regarding Common Ground Best Practices; to identify issues concerning damage prevention within our region and attempt to construct practices to resolve them; to exchange ideas and information with other Regional CGA Committees. When a new damage prevention practice is created, the committee may forward the practice onto the appropriate CGA Committee for their consideration as a best practice. Our committee's efforts in damage prevention will help eliminate damages to underground facilities, interruption to vital services, safety risks, accidents and fatalities.

Contact:

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