Request A Locate

Homeowners
- - - Homeowners
      
      Whether you are a homeowner, renter, or tenant, if you are planning to dig you must submit a locate request. Click before you dig applies to every job, big or small. Whether you’re building a fence, putting in a pool, planting a tree or digging a new garden, or any other digging project you need to contact Ontario One Call.
Contractors
- - - Contractors
      
      Contacting Ontario One Call will help protect you and your project from unnecessary damages, injuries and financial penalties. We notify buried infrastructure owners that you are excavating.
Infrastructure Owners
- - - Infrastructure Owners
      
      Infrastructure Owner login links, best practices and other resources.
Dedicated Locator
- - - Dedicated Locator
      
      Take control of your project with Dedicated Locator. Learn more on how a single resource used to mark all underground infrastructure within a project area, can help your project.
Compliance and Industry Performance
- - - Compliance and Industry Performance
      
      Ontario One Call regulates public utility locating and safe digging in the Province of Ontario. File a complaint, view performance reports and find supporting resources.
About Us
- - - About Us
      
      Ontario One Call is a public safety administrative authority that acts as a communications link between buried infrastructure owners and individuals who are planning to dig in the province of Ontario.
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News & Events

News & Events

Latest News

Update Email Safelists for Ontario Dig Authority Communications

Dear Stakeholders, As we continue preparations for our transition to Ontario Dig Authority on October 1, 2026, we are sharing important information to help ensure uninterrupted delivery of critical operational communications. As part of this transition, we will be introducing a new email domain for delivering critical operational notifications related to locate requests, ticket activity, underground infrastructure communications, and other
NOTICE OF ONTARIO ONE CALL’S 2026 ANNUAL MEETING

Join us on October 1, 2026, at 3:30 PM EDT August 20, 2026 – Ontario One Call (OOC) hereby gives notice of an annual meeting of the Members under section 6.02 of By-law No. 1. This meeting is open to OOC Members and non-members (including the public), but attendance for Members and non-members requires advance registration. Non-member attendees
Ontario One Call and AORS Partner to Advance Safe Excavation

Ontario One Call and the Association of Ontario Road Supervisors (AORS) have signed a Memorandum of Understanding to strengthen safe excavation awareness, damage prevention education, and professional development across Ontario’s road and public works sectors. Through this partnership, Ontario One Call and AORS will work together to expand access to practical education, training, and resources that support safe and compliant
2025 ANNUAL Report

Ontario One Call’s Annual Report is now available. Read the report here.

Upcoming Events

ORCGA Dig SAFE BREAKFASTS

October 22 – November 27, 2026. Across Ontario.
Canadian Common Ground Alliance conference

November 17 – 19, 2026. Calgary, ON.
Municipal Engineers Association

November 10 – 13, 2026. Vaughn, ON.
ROW Management

October 14 – 15, 2026. Ajax, ON.