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Public Works

Contact Us

Nicholas Kottmeyer, P.E., Director of Public Works and Operations

After Hours Emergency:

Wheaton Office:
Mon-Fri, 8 a.m. – 4:30 p.m.
Administration & Permits:

Woodridge Office:
Mon-Fri, 8 a.m. – 4 p.m.
Wastewater Division:


The Department of Public Works serves approximately 200,000 residents throughout the County of DuPage.

In select areas of the County Public Works provides

  • drinking water distribution
  • sanitary sewer collection
  • wastewater treatment

The Department is required to meet all applicable local, state, and federal laws pertaining to the treatment of wastewater and the delivery of drinking water.

Above is a short video with a narrative of the treatment process at the DuPage County Woodridge Greene Valley Wastewater Treatment Facility.

The following services are not handled by DuPage County Public Works

Please check with following agencies to better assist you with these services.

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