Problem: The City of Rochelle, Illinois is a bustling hub city located 50 miles west of Chicago. Home to some of the country’s main rail lines and interstates, Rochelle counts on clean, potable drinking water for residents and travelers alike. City well #11, an 893 foot deep sandstone well, was drilled in the Spring of 2004. A 300 horsepower submersible pump capable of producing 1,800 gallons per minute was installed. However, the sand con

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