St. Charles County Emergency PreparednessOne of the most important parts of emergency preparedness is knowledge — what to do, what to expect and how to prepare. Accurate information about hazards and recommended actions to take are critical in helping you to make the best choices for your family’s and organization’s safety. As a public service, free programs will prepare members of the community, organizations and businesses for whatever may come next. You can register for an emergency preparedness class or take a tour of St. Charles County's Emergency Operations Center by completing an online form or by viewing the calendar of classes.