WEST THORNHILL STORM SEWER & WATER REPLACEMENT PROJECT - PHASE 1 Update as of August 2016 Construction of Phase 1A works was substantially complete in July 2016 and a Milestone Celebration Event was...

UPDATE ON WEST THORNHILL STORMWATER FLOOD REMEDIATION - PHASE 2 September 20, 2016 Phase 2A construction of storm sewer and watermain works will continue through fall 2016 with base road restoration...

PHASE 3 January 14, 2020 A Community Information Meeting will be held at the Thornhill Community Centre to present the West Thornhill Phase 3A flood control implementation. Road closures will be...

PHASE 4 January 14, 2020 The City of Markham is continuing field investigations to support storm sewer design in the Phase Four improvement area in West Thornhill. Phase Four investigations will occur...