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.
  - - Basic Information
    - Mission and Values
    - News & Events
    - Media Relations
    - Careers
    - Glossary
    - Contact Us
  - - Strategic Initiatives
    - Ontario One Call Digital Roadmap
    - Stakeholder Advisory Council
    - Stakeholder Advisory Council – Terms of Reference

News & Events

News & Events

Latest News

Live Chat Now Available

At Ontario One Call, we are committed to making your experience smoother, faster, and more responsive. We are launching a Live Chat function in two areas: This new feature will allow you to connect directly with a Live Customer Support Specialist who can assist with locate requests, answer questions, and help you find the information you need. This enhancement is part of
Legislative Update – Signs in School Zones with Municipal Speed Cameras

Overview The “Building a More Competitive Economy Act” has passed third reading in the Legislature. Ontario One Call is supporting the work needed to install signs in school zones by ensuring safe digging and facilitating timely underground infrastructure locates. Scope of the Project ▪️40 Municipalities have municipal speed cameras in use across Ontario. ▪️Municipal speed
Ontario One Call Annual Meeting – Voting Results

On October 22, 2025, Ontario One Call held its Annual Meeting at 4 p.m. as part of our Conference and Trade Show. The meeting, hosted in person at Blue Mountain Village Conference Centre, adjourned at 4:30 p.m. Members cast 33 total votes (Proxies and Digital Ballots combined). All motions before the Membership were supported. The details
NOTICE OF ONTARIO ONE CALL’S 2025 ANNUAL MEETING

Join us in person on October 22, 2025, at 4 PM EDT October 9, 2025 – 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
SEWER SAFETY WEEK STARTS TODAY!

September 15 to 19, 2025 is Sewer Safety Week. This joint initiative is promoted by Ontario Safety Partners OOC, Enbridge Gas, TSSA, Utilities Kingston, and Kitchener Utilities to raise awareness about sewer safety inspections (SSI). SSIs can save lives! Some underground natural gas pipes may have been unintentionally installed through sewer pipes – a situation known as a sewer cross bore.
Ontario One Call’s Cost Recovery Model Consultation Webinars

Dear Stakeholders, Ontario One Call will be hosting two virtual webinars to discuss our proposed new fee model as part of our legislated cost recovery mandate. These sessions will provide an overview of the proposed changes, the reasons behind them, and the benefits of moving to a sustainable funding model. Webinar Dates Both webinars

Upcoming Events

MEA Conference

November 11 – 14, 2025. London, ON. https://municipalengineers.on.ca/events/conference/index.html
CCGA Damage Prevention symposium

November 4-6, 2025. Halifax, NS. Canadian Common Ground Alliance – 2025 Symposium
Dig Safe Excavator Breakfasts

October 7 – November 20, 2025 Various Locations – https://web.cvent.com/event/91de0c82-b2e1-4ca0-b2da-2879141f5562/summary