Whether you're for this project or not; they broke the rules protecting kids from lead poisoning. Colorado can't afford a Flint Michigan kind of catastrophe. For $2,000,000,000.00 of taxpayer funds, they can and need to do the study first. 

The fact that they had 15 years to do it and didn't, shows complete neglect for due diligence in the city/state's  growing list of botched P3 projects.