Inadvertent water loss – leakage – within water distribution networks is an infrastructure problem that exists throughout the country and around the world. The hosts talk with Bill Bresnahan, 1st Deputy Commissioner of the Chicago Department of Water Management about the causes of leakage and how the City of Chicago addresses the challenge of stopping leaks. Chicago draws water from Lake Michigan via two intake cribs and processes it through the two largest water treatment plants of their kind in the world. The Department of Water Management’s 12 pumping stations send the water through more than 4,200 miles of distribution mains. These stations have a combined pumping capacity of some 2.1 billion gallons daily, and they distribute water to 2.9 million customers in the City and 2.5 million others in the nearby suburbs