Water Department 1 Parkwood Ct Herculaneum, MO 63048 Phone : (636) 479-3777 Business Category Water & Sewage Companies-Utility Water Supply Herculaneum City Of--water Department 1 Parkwood Ct Imperial, MO 63052 Phone : (636) 479-3777 Business Category Government Offices-City Village & Twp Water Supply Government Offices State & Local Government Offices & Public Schools