Combined sewer systems were the best solution for city water management in the 1800s, but their pollution of waterways is a struggle for today's communities. Aurora, the second largest city in Illinois, knows this fact firsthand.The city has made it a priority to use green infrastructure to better manage stormwater in an effort to reduce pollution to the nearby Fox River, a 202-mile-long tributary of the Mississippi that weaves through several counties in Southeastern Wisconsin and Northeastern Illinois. The river has been deemed an impaired waterway by the state of Illinois.In 2011, Aurora's innovative and environmentally responsible stormwater management practices
