Welcome to Shiawassee County

Shiawassee County takes its name from the Shiawassee River, which enters the county near the southeast corner, passes through the villages of Byron and Vernon, the cities of Corunna and Owosso, and from there flows north into the Saginaw Bay, leaving this county near the center of the northern boundary. The name of Shiawassee is derived from Indian lore, meaning “Rolling” or “Sparkling Waters.”

Shiawassee County Health Department

Our Mission

The mission of the Shiawassee County Health Department is to prevent disease, protect the public’s health, and enhance the quality of life by providing information and services. Public health is defined by the Institute of Medicine as “what we as a society do collectively to ensure the conditions in which people can be healthy.” We believe public health has a strong link to providing a better tomorrow for Shiawassee County by supporting solutions to the economy, education, health care, and citizen security. The Shiawassee County Health Department encompasses three divisions through which our mission is accomplished: Personal Health, Environmental Health, and Emergency Preparedness.

Director/Health Officer
Larry Johnson, R.S., M.S.

Director of Personal Health
Nicole Greenway, M.P.H., R.N.

Director of Environmental Health
Larry Johnson, R.S., M.S.

Environmental Health Supervisor
Casey Elliott, R.E.H.S.

Medical Director
Dennis Chernin, M.D., M.P.H.

Emergency Preparedness Coordinator
Jodi DeFrenn, B.B.A.


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