In 1994, Illinois EPA listed 50.75 miles of Silver Creek as impaired by farm pollution. 28 years later, Illinois removed the creek from its impaired list in 2022

Upper Silver Creek in Illinois has been removed from an impaired waters list. Best management practices were installed to reduce pollution from agricultural sources. These efforts significantly lowered nitrogen and sediment loads in the waterway. Water quality monitoring confirmed improvements in dissolved oxygen levels. The successful project demonstrates effective watershed management strategies.

Raccontata daeconomictimes.indiatimes.com