Eldorado Waste Water Treatment 545 Sutton Rd Eldorado, IL 62930 Phone : (618) 273-8396 Business Category Regulation & Admin Of Communications Electric Gas & Other Utilities Eldorado City Of--waste Water Treatment Plant Rr 3 Eldorado, IL 62930 Phone : (618) 273-8396 Business Category Government Offices-City Village & Twp Plumbing Heating Equipment & Supplies Business Services Utility & Waste Management Services Water Treatment Plant Management Refuse Systems Waste Water Treatment Water Filters & Purification Equipment Water Softening & Conditioning Equipment Water Treatment Service General Business Services Management Services Government Offices State & Local Government Offices & Public Schools