Phase 1 Program Area

The first phase of the program began in May 2013 within the Thornhill area. The investigations and testing work within Phase 1 Area was completed in April 2014. The downspout disconnection work has been completed and the flow monitoring within the area will commence in Spring/Summer 2016.

Phase 2 Program Area

The second phase of the program began in May 2014 within the Thornhill Area. The investigation and testing work with Phase 2 Area was completed in April 2015. The notice of disconnection had been mailed out to the affected homeowners in June 2015.

Phase 3 Program Area

The third phase of the program began in May 2015, which covers area within Thornhill, Milliken and Unionville. The investigation and testing work within the Phase 3 Area was completed in April 2016. The notice of disconnection will be mailed out to the affected homeowners beginning June 2016.

Phase 4 Program Area

The fourth phase of the program began in May 2016 within the Markham Area. The investigations and testing work within the Phase 4 Area begins in May 2016.

Phase 5 Program Area

The fifth phase of the program began in May 2017, which covers area within Thornhill and Unionville. The investigation and testing work within the Phase 5 Area was completed in November 2017. The notice of disconnection will be mailed out to the affected homeowners in Fall 2018 and the disconnection period will end in Fall 2019. Post condition flow monitoring within the area will commence in Spring/Summer 2020.

Phase 5 Expansion Program Area

The fifth phase expansion of the program began in September 2017, which covers area within Thornhill and Markham Village. The investigation and testing work within the Phase 5 Expansion Area has been starting since November 2017.

Phase 6 Program Area

The sixth phase of the program began in September 2017, which covers areas within Unionville and Markham Village. The investigation and testing work within the Phase 6 Area will commence in June 2018.