Water Quality Results and Reports

The Chicago Department of Water Management is constantly monitoring and testing the quality of Chicago’s drinking water. The safety and quality of Chicago’s tap water is our top priority.

Drinking Water Watch

We have assembled on this page the most frequently ask for reports. For a more extensive list of test results and reports please go to the Illinois Environmental Protection Agency (IEPA).

Comprehensive Chemical Analysis

This report is compiled four times a year. The reports for the 3rd and 4th quarters of 2009 are not yet available.

City of Chicago Emerging Contaminant Study

Analysis of Endocrine Disrupting Chemicals, Pharmaceuticals, and Personal Care Products.