The Sanitary Sewer Collection System includes over 1,176 miles of sanitary sewer pipe which carries wastewater to two award-winning treatment facilities. The Southwest Wastewater Treatment Plant treats an average of 35 million gallons of wastewater per day and discharges into Wilson's Creek. The Northwest Wastewater Treatment Plant treats an average of 9.5 million gallons of wastewater per day and discharges into the Little Sac River.
The quality of Springfield's staff and commitment to environmental stewardship is evidenced by awards and recognition.
Northwest Watewater Treatment Plant
NACWA - Platinum performance award 2014, 2015
NACWA - Gold performance award 2008, 2010, 2011, 2012, 2013
NACWA - Silver performance award 2007, 2009, 2011
Southwest Wastewater Treatment Plant
MWEA/AWWA Plant of the Year 2011
NACWA - Platinum performance award 2010, 2011, 2012, 2013, 2014, 2015
NACWA - 5 years gold performance award