Welcome to our website!

Department of HealthMcHenry County residents are touched every day by our services. Every time we eat in a restaurant, register our pets, build a well or septic system, need help for health care, or get our children vaccinated for school, the Health Department is involved to make us safer and healthier.

In addition to Environmental Health permits and inspections, Animal Control and Vital Records, we offer a variety of clinic services to the public.
  • Hearing and vision screening for children
  • STD/HIV testing and counseling
  • Immunizations
  • TB control
  • Chronic and Communicable disease control
  • Flu shot clinics

Is your home or business impacted by the current flooding?

We have information to protect your health in a flood event we will also provide free testing for private water wells in the flooded areas, once the flood waters have receded. Remember that flood water can be contaminated with bacteria, viruses and other organisms, avoid contact with flood water and keep children and pets from playing in flooded areas. If you come into contact with flood water and have an open wound, make sure your tetanus shot is up to date.

Ordinance Changes

A new Public Health Ordinance including an updated fee schedule was adopted effective January 1, 2017.

Community Health Screenings - Appointments available on the 1st Wednesday of each month

Your cholesterol, blood sugar, blood pressure and body mass index numbers are key indicators of your risk for chronic disease. For $25 the McHenry County Department of Health (MCDH) will screen for these important risk factors.  Make an appointment  or call 815-334-4510 for more information.

Zika Virus Information

Check out current CDC Zika Virus information, including updates for pregnant women.

2017 McHenry County Healthy Community Study Results

Updated every 3-5 years, the Healthy Community Study is a year-long study gathering information from residents about County community and health priorities.

Medical Reserve Corp

MRC3 Learn more about volunteering with the Medical Reserve Corp

McHenry County Food Pantry Information  (7/15/2015)

Meeting Information


HCS Logo - Working together for a healthier McHenry County 
Community Planning Information

MCDH Main Office
Building A
2200 N. Seminary Ave.
Woodstock, IL  60098
Phone: 815.334.4510
Fax: 815.334.4635
After Hours: 815.344.7421
Email: Health@co.mchenry.il.us 
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MCDH Celebrating 50 Years

MCDH Celebrating 50 Years


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