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Water Quality
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Lead Reduction Program
The City of Wilmington is committed to reducing lead exposure in drinking water per the EPA’s Lead and Copper Rule Revisions (LCRR). We are inventorying all water service line materials - find out more information here.
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PFAS: Per- & Polyfluoroalkyl Substances
PFAS/PFOA are completely man-made chemicals found in many everyday items, such as nonstick cookware, water-repellent clothing, and cosmetics. Find out more about their impact and where they're used.
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Taste & Odor
Find out more information on potential taste and odor events.
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Water Quality Reports
A Consumer Confidence Report is an annual report set by the EPA that informs consumers about the safety and quality of their drinking water. Read more about Wilmington's water quality here.
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Water Treatment
Learn about how your drinking water is treated.
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Frequently Asked Questions
Find answers to commonly asked questions on our water sources, the treatment process, regulations, and common issues.
Water Quality Concerns or Questions
If you have water quality concerns such as low pressure or discolored water, call our Call Center at 302-576-3878 or the Water Quality Lab at 302-571-4158. You can also email us at WaterQualityLab@wilmingtonde.gov. If you'd like your water sampled, our Water Quality Specialists will schedule a convenient time for you.