Overview
- A major water main ruptured under southbound Macleod Trail between 109 Avenue and Anderson Road early Thursday and sent water flooding across the southbound lanes, forcing an immediate closure and traffic detours.
- Calgary Police and city repair crews responded and are using acoustic leak‑detection tools on the surface to pinpoint the break and mark other buried utilities before any excavation.
- At least one home and the Anderson LRT station lost water service as a result of the break, and some northbound traffic experienced backups after signal problems at 109 Avenue.
- The city says it normally aims to finish water‑main repairs and reopen roads within 48 hours but cautions the timeline will depend on site complexity and the discovery of other underground issues.
- This is the third water‑main failure in Calgary over two days and it comes as the city fast‑tracks a $439‑million replacement of the failing Bearspaw South feeder main, a project scheduled for completion by the end of 2026.