DECATUR, Ill. (WAND)- Across the city of Decatur, there are many people using STEM to keep the community running successfully. One of these is city of Decatur Civil Engineer Kahlil Graves-Thomas.

He uses STEM principles in his job when he creates maps and plans of the water systems and compiles reports of stormwater. He also ensures all drainage systems are safe and clean.

"It rains then that water is filtered through our treatment plants, reprocessed, then distributed out for you to drink, wash your hands, take showers," said Graves-Thomas. "We don't want dirt in the system, trash, or plastics."

After it rains, that water goes into storm drains then makes its way to Lake Decatur. That water is then pumped into a water treatment facility, tested for levels of certain chemicals, treated

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