• Andrea R.H. Cheng, Ph.D., P.E.
  • Commissioner of Water Management

The Department of Water Management is one of the world’s largest water systems. We purify and pump almost 1 billion gallons of water daily to the City of Chicago and 120 suburbs.

Our focus is to provide high-quality water to our customers in a consistent, sustainable manner. We also conduct a host of programs including upgrading aging water infrastructure, free 311 water testing, and lead service line replacement  (www.LeadSafeChicago.org). 

If you have a comment, question or concern related to your water, please call 311.

Our over 2,000 dedicated employees are working 24/7 to keep your water flowing!

Andrea R.H. Cheng,  Ph.D., P.E.



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