Herculaneum-city Of 135 Joachim Ave Herculaneum, MO 63048 Phone : (636) 479-7185 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools City Reservoir 135 Joachim Ave Herculaneum, MO 63048 Phone : (636) 479-7185 Business Category Government Offices-City Village & Twp Legislative Bodies