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The California Regional Common Ground Alliance (CARCGA) is a 501(c)(6) non-profit mutual benefit corporation dedicated to ensuring public safety, environmental protection, and integrity of underground services in California. CARCGA is a Regional Partner of the Common Ground Alliance (CGA).

Through the effective promotion of CGA’s damage prevention best practices, CARGCA boasts participation from a variety of stakeholders including but not limited to utility operators and professional excavators.

CARCGA recognizes the following Stakeholders

The Sub-Committees of CARCGA are:

Education & Marketing

Promotes membership in CARCGA and educates the facility owners and excavating community about damage prevention.

Legislative & Regulatory

Encourages and tracks legislation that affects the facility owners and the excavating community.

Subsurface Safety & Incident Prevention

Examines excavating best practices for recommendations for safe digging.


Evaluates and educates on technologies to reduce risks while digging.

© 2022 CARCGA, Inc. All rights reserved. CARCGA logo created by Zach Roper