Control Authority Pretreatment Excellence

Kentucky

2019 City of Somerset
2018 Hopkinsville Water Environment Authority
2017 Sanitation District No. 1
2016 Winchester Municipal Utilities
2015 Bowling Green Municipal Utilities
2014 City of Madisonville
2013 None

Tennessee

2019 Metro Water Services (Nashville) 
2018 Humboldt Utilities
2017 City of Chattanooga
2016 City of Murfreesboro
2015 Athens Utility Board
2014 City of Union City
2013 City of Franklin