Lanark Water Works Department Boyd St Lanark, IL 61046 Phone : (815) 493-2431 Business Category Regulation & Admin Of Communications Electric Gas & Other Utilities Lanark Disposal Plant Highway 64 W Lanark, IL 61046 Phone : (815) 493-2431 Business Category Government Offices-City Village & Twp Legislative Bodies Lanark City Hall 108 W Carroll St Lanark, IL 61046 Phone : (815) 493-2431 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools