St Elmo City Water Treatment Plnt 320 N Pine St Saint Elmo, IL 62458 Phone : (618) 829-9725 Business Category Government Offices-City Village & Twp Legislative Bodies St Elmo City Disposal 320 N Pine St Saint Elmo, IL 62458 Phone : (618) 829-9725 Business Category Government Offices-City Village & Twp Government Offices State & Local Legislative Bodies Government Offices & Public Schools St Elmo City Of--water Plant Saint Elmo, IL 62458 Phone : (618) 829-9725 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools