Dear Stakeholders, Ontario One Call has several important updates to share. Here’s what’s covered in this newsletter: Continuation to Dig After Expiry of Validity Period Regulation Takes Effect November 1 A new regulation under the Ontario Underground Infrastructure Notification System Act, 2012 will come into effect on November 1, 2026, creating a new pathway for eligible excavation
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
October 22 – November 27, 2026. Across Ontario.
November 17 – 19, 2026. Calgary, ON.
November 10 – 13, 2026. Vaughn, ON.
October 14 – 15, 2026. Ajax, ON.