ON1Call
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Ontario One Call is a not-for-profit organization that receives locate requests & notifies utility owners with underground facilities at proposed dig sites.
Every dig comes with hidden risks.
Beneath the ground is a network of essential infrastructure, including gas, electrical, water, and telecommunications lines.
A locate request is free. Damaging underground infrastructure is not.
The consequences can include costly repairs, project delays, service outages, injuries, and risks to public safety.
Why take the chance?
Request your free locate before you dig at OntarioOneCall.ca.
Click Before You Dig — It's The Law.
07/03/2026
Routine maintenance for the web portal is scheduled for tonight, July 3, 2026, starting at 8:30 pm. During this update, the portal will be offline for approximately 30 minutes, and only emergency requests will be accepted.
We appreciate your patience as we apply updates to better serve you.
07/02/2026
Our web portal is back online and fully operational. Users can once again submit locate requests through the portal as usual.
Thank you for your patience and understanding while we worked to resolve the issue. We appreciate your support.
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Address
104 Cooper Drive
Guelph, ON
N1C0A4
