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Wastewater Treatment
The City of Sterling's Wastewater Treatment Plant processes the wastewater disposal of 15,000 residents, 1,500 non-residents, more than 300 commercial establishments and approximately 50 industrial customers. Each day, the plant treats 3.6 million gallons of wastewater per day. Learn how wastewater is treated by taking a descriptive photo tour.

Our wastewater plant is located on a 50 acre site that includes a 32 acre aerated lagoon. Five lift stations and over 80 miles of sanitary sewer lines flow up to nine million gallons per day to the plant. The treatment plant has been named the top Class III Wastewater Treatment Plant in Illinois twice, and has been nominated seven times for the honor in the past 20 years. A crew of five full-time employees works hard everyday to run the best Class III Wastewater Treatment Plant in Illinois.

Call the Wastewater Treatment Plant for assistance with the following:

  • Pre-treatment permits and requirements
  • Questions regarding effluent disposal
  • Any other wastewater disposal questions

Wastewater bills appear on your Illinois American Water bill.  For questions on billing, call the Finance Division at (815) 632-6632.

The plant is open Monday-Friday 6:30 - 2:30 (winter hours are 7:30 - 3:30). To contact the plant, call (815) 626-8378. For after hours emergencies, please call (815) 632-6640.

City of Sterling Wastewater Treatment
2400 W. Lynn Blvd.
Sterling, IL 61081
(815) 626-8378

 

All content is Copyright © 2001, City of Sterling, IL unless otherwise noted.
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