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If you are a member of the media and would like more information on a public health concern, please contact: MCDHMedia@mchenrycountyil.gov or call call (815) 334-4456.
 
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Press Releases

Press releases older than 90 days can be found in the Archived News listing (see link below).

MCDH to offer reduced-cost water testing in August

Post Date:08/12/2025 9:00 AM

August 12, 2025
Media Contact:
McHenry County Department of Health
Nick Kubiak, Public Information Officer

McHenry County Department of Health to offer reduced-cost water testing in August, once again partnering with local townships

MCHENRY COUNTY, IL – The McHenry County Department of Health (MCDH) encourages private well owners to test their water supply at least once a year for for coliform bacteria and nitrates. To support this effort, the MCDH is offering reduced-cost water sample analysis throughout August. During this month, residents can have their water tested for total coliform bacteria, E. coli bacteria, and a nitrate screen for $25—down from the standard $30 fee.

To make testing more convenient, the MCDH has partnered with several Township locations to provide alternative drop-off sites throughout the year. Residents can pick up water sample kits during normal business hours and return their water samples on Wednesdays between 9 a.m. and noon. Samples must be collected on the same day they are submitted, and results are available within 24 to 48 hours. Payment must be included with the sample in the form of a check; cash is not accepted.

Residents may also drop off water samples at the MCDH’s Environmental Health office, located at 667 Ware Road (Suite 110) in Woodstock, Monday through Thursday from 8 a.m. to 2:30 p.m.

Participating Township Drop-Off Locations:
Algonquin Township
3702 Northwest Highway (Crystal Lake, IL 60014)
Monday - Friday (9 a.m. - 3:30 p.m.)
Return samples Wednesdays 9 a.m. - noon)

Marengo Township Offices
4010 N IL Route 23 (Marengo, IL 60152)
Monday - Friday (9 a.m. - 3:30 p.m.)
Return samples Wednesdays (9 a.m. - noon)

McHenry Township
3703 N Richmond Road (Johnsburg, IL 60051)
Monday - Friday (9 a.m. - 3:30 p.m.)
Return samples Wednesdays (9 a.m. - noon)

Nunda Township Supervisor’s Office
3510 Bay Road (Crystal Lake, IL 60012)
Monday - Friday (9 a.m. - 3:30 p.m.)
Return samples Wednesdays (9 a.m. - noon)

 Water testing is an important step in maintaining a safe and reliable drinking water supply for private well owners. For more information, visit MCDH.info or call (815) 334-4510.

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