Welcome to our website!

HomepageimageMcHenry 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.
  • Immunizations
  • TB control
  • Chronic and Communicable disease control
  • Hearing and vision screening for children
  • STD/HIV testing and counseling 

 Melissa H. Adamson on the Northwest Spectrum

Melissa H. Adamson, MPH, talks about her background, goals for The Department, influenza, diabetes and other topics with Stew Cohen, host of the Northwest Spectrum on Star 105.5:  https://soundcloud.com/user-979969790/nwst-sp-hall-2019wav


2019 McHenry County Green Awards Nominations
Deadline March 29th

The McHenry County Green Awards recognize the waste reduction, recycling, and conservation efforts of County businesses, institutions, organizations, and residents. For more information call 815-334-4585 or click here.  Submit nominations by March 29 to KMBoeckmann@mchenrycountyil.gov.

For a nomination entry form click here: Nomination entry form



CDC Diabetes Prevention Program Overview

During this Overview Session participants will learn about prerequisites and expectations for attending classes.  At the end of the Overview Session participants will have the chance to sign up for the Lifestyle Change Program. 

The below overview classes will be held at the 620 Dakota Street in Crystal Lake (front of building).  Please call 815-334-4580 or 815-334-4556 to make an appointment for one of the sessions below

Monday, June 24th 6:00 - 7:00 PM
Wednesday, June 26th 6:00 - 7:00 PM
Wednesday, July 10th 6:00 - 7:00 PM                                            
Monday, July 15th 6:00 - 7:00 PM

Are you at risk for type 2 diabetes?  
Take the test in English or Spanish

No Cost 6 Week Diabetes Self-Management Classes

Registration is open for McHenry and Cary (Spanish speaking class). 
Registration also open for English speaking classes in Harvard and Huntley. 

Tomando Control de su Diabetes The Church of Holy Apostles McHenry March 8th

Tomando Control de su Diabetes SS. Peter and Paul Catholic Church April 23rd.

Take Charge of Your Diabetes Harvard Senior Center.  Deadline to register is April 10th.  Please call 815-334-4580 to register

Take Charge of Your Diabetes St. Mary Catholic Church Huntley.  Please call 815-334-4556 to register


 Community Wellness Screening

This is a community wellness screening featuring non fasting blood glucose/cholesterol test, blood pressure check and heart age.  The cost for the wellness screening is $25.00.  For an additional $10.00 you can get an A1C test.  A1C test alone is $20.00.

March 18th from 4:00 pm - 6:00 pm at the Harvard Public Library.


 Flu Information

For general information about the influenza virus visit our flu facts page or http://www.cdc.gov/flu.  The cost for a flu shot is $35.00 and appointments are required.

Influenza-like illness (ILI) activity in McHenry County is currently estimated to be high (ILI is used to estimate influenza activity and is defined as a fever ≥ 100°F AND new onset of cough and/or sore throat in the absence of a known cause other than influenza). To see the latest McHenry County flu surveillance report, please click here. To view past flu surveillance reports, please click here.

McHenry County Electronics Recycling

McHenry County Department of Health and Elgin Recycling will be hosting single day residential electronic recycling events on April 13, May 18, September 7 and October 19.

2-19-19 CERA flyer2


First Wednesday Wellness Screening

Make an online appointment for a First Wednesday Wellness Screening.  Screenings are held at the Health Department in Woodstock unless otherwise indicated.  The cost of screening is $25.  More information is available by calling 815-334-4531.

August 7, 2019
1:00 - 3:00 PM
April 3 , 2019
1:00 - 3:00 PM
September 4, 2019
9:00 - 11:00 AM
May 1 , 2019
9:00 - 11:00 AM
October 2, 2019
1:00 - 3:00 PM
June 5, 2019
1:00 - 3:00 PM
November 6, 2019
9:00 - 11:00 AM
July 3, 2019
9:00 - 11:00 AM
December 4, 2019
1:00 - 3:00 PM




View Food Inspection Reports

View Food Facility Inspection Reports online.

Meeting 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@McHenryCountyIL.gov 
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MCDH Celebrating 50 Years

MCDH Celebrating 50 Years















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