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Wilmington DE Department of Public Works
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  1. DELAWARE'S FIRST WATER UTILITY

    Dating back to the 1800s, Wilmington Water now provides water and wastewater services to over 450,000 people daily. With a focus on quality, the Utility maintains state-of-the-art treatment plants and extensive infrastructure, ensuring clean drinking water, protected waterways, and community well-being.

  1. Water Quality FAQs
  2. PFAS Information
  3. Cross Connection & Backflow Control Program
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  1. Active Construction
  2. Avoid a Shutoff
  3. Pay Your Bill & Manage Your Account
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News Flash

  1. Wilmington Water Launches Updated Service Line Map, Begins Outreach for Lead Testing

    An updated online service line map now allows Wilmington customers to see customer and City-side service line materials. Customers with known lead are asked to participate in upcoming compliance sampling. Read on...

  2. Wilmington Water Awarded Significant Funding for PFAS Treatment

    Receiving a nearly $2 million grant from the State of Delaware & EPA to address PFAS impacts; The City has received nearly $80M total for other infrastructure work; Funding enables City to improve its systems while reducing financial costs to customers. Read on...

  3. Wilmington Water Applauds the Interns of the Udel Water Resources Center

    The University of Delaware Water Resources Center Partnered with the City of Wilmington and Wilmington Water to Help Produce Their Water Service Line Inventory. Read on...
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Wilmington Map

  1. Wilmington Water Utility home page

Wilmington Water Utility

  1. Department of Public Works

  2. Louis L. Redding City/County Building

  3. 800 N. French Street, 6th Floor

  4. Wilmington, Delaware 19801

CONTACT US

  1. Phone: Wilmington 311 or call 302-576-2620 (outside City limits)
    After hours call 302-654-5151

  2. Email: Water (General) or Water Quality Lab

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