2009 – York Region begins work on UPSS; Environmental Assessment (EA) process is started.
2010 – Terms of Reference approved.
2014 – EA completed.
2016 – Ministry review completed.
Proponents submit Stakeholder and First Nations review.
Provincial Duty to Consult determined to have not been met.
2010 – Part of the UPSS project – the York Durham Sewage System forcemain twinning and pumping station modification work – is separated out and exempted from the EA process. Construction on this part proceeds.
Present – Waiting for a decision by the Province.