The Lake County Health Department is a public health agency that serves the residents of Lake County, Illinois. The department provides a wide range of services, including disease control and prevention, health education, environmental health, and emergency preparedness. The department also operates several clinics that offer medical and dental services to low-income residents. The Lake County Health Department was founded in 1956 and is headquartered in Waukegan, Illinois. The department has approximately 500 employees and serves a population of over 700,000 people.