Welcome to Ontario Regional Common Ground Alliance!

The ORCGA is an organization promoting efficient and effective damage prevention for Ontario’s vital underground infrastructure.


Through a unified approach and stakeholder consensus, ORCGA fulfills its motto of “Working Together for a Safer Ontario”

We are a growing organization with over 520 member/sponsor organizations representing 19 stakeholder groups.

For over a decade these stakeholder groups have been active in promoting “Call Before You Dig” and damager prevention practices.  The ORCGA provides a single unified voice that represents the damage prevention community in the province.

2017 ORCGA Damage Prevention Symposium - Jan 31, Feb 1 & 2 - Niagara Falls - Registration Now Open!


Delegate Registration - Click Here

Exhibitor Registration - Click Here

Floor Plan - Click Here

Sponsorship Registration - Click Here


Read the Symposium invitation and welcome letter from the Mayor of Niagara Falls, Jim Dodati:

ORCGA Locate Rodeo

The ORCGA Locate Rodeo held on October 27 – 28, 2016 at the Nottawasaga Inn was a great success!

Event recap will be posted soon!