Lanark City Maintenance Building 108 W Carroll St Lanark, IL 61046 Phone : (815) 493-6832 Business Category Government Offices-City Village & Twp Government Offices State & Local Legislative Bodies Government Offices & Public Schools Lanark City Water Works Department 110 W Carroll St Lanark, IL 61046 Phone : (815) 493-6832 Business Category Government Offices-City Village & Twp Water & Sewage Companies-Utility Water Supply Government Offices State & Local Government Offices & Public Schools Lanark City Disposal Plant 110 W Carroll St Lanark, IL 61046 Phone : (815) 493-6832 Business Category Government Offices-City Village & Twp Legislative Bodies