St Charles-county Of--county Health Department 1650 Boones Lick Rd Saint Charles, MO 63301 Phone : (636) 949-7400 St Charles-county Of--county Health Department Business Category Government Offices-County Administration Of Public Health Programs Government Offices & Public Schools St. Charles County Of--community Health & Environment 1650 Boones Lick Rd Saint Charles, MO 63301 Phone : (636) 949-7400 St. Charles County Of--community Health & Environment Business Category Government Offices-County Government Offices & Public Schools