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Water Testing

NEW! Certified Water Testing Lab Now Open in Herscher

The Herscher Public Works Department is proud to announce that our 18-hour Coliform Testing Laboratory is now officially certified by the Illinois Department of Public Health.

We’re now accepting outside water samples for:

  • Boil order clearance
  • New construction approvals
  • Routine compliance samples
  • Potability testing for home sales
  • Home well certification and safety checks 

Our Colilert-18 rapid test provides accurate results in just 18 hours, helping you get back to business quickly and meet regulatory requirements with confidence. Municipalities, homeowners and realtors are all welcome to contact us for sample drop-off and testing details. For the Coliform Analysis Report Form, click here.

Let’s work together to keep our community’s water safe and compliant! Click here for current fee schedule.

Contact the Public Works Department at (815) 426-2131 or sculver@villageofherscher.com.