Many Wilmington residents notice that their current water treatment equipment seems overwhelmed, especially when it comes to concerns about lead. A common spot where worries first arise is the kitchen faucet, where water is drawn for drinking and cooking. This is because lead issues, when present, often manifest most acutely at taps used for consumption.
Lead Concerns Usually Show Up First at Kitchen Faucets and Drinking Water Sources
Lead in water primarily comes from plumbing materials, not the original source water in Wilmington. The public water supply, managed by CFPUA-WILMINGTON, draws from surface water sources and reports a 90th percentile lead level of 0 mg/L for distribution samples as of 2028-12-31. This means measurements taken at 90% of tested sites found no detectable lead in tap water samples across the system. The key point is that lead can leach into water through older pipes and solder within households, especially at fixtures used for drinking and food preparation.
Start with Simple Plumbing Checks Before Considering Laboratory Testing for Lead
Those concerned about lead should first examine household plumbing, focusing on the age and materials of pipes and fixtures. Flushing taps for a few minutes before use or using cold water for consumption can reduce lead exposure risk. Testing water with certified laboratories remains the definitive way to understand lead content in any individual home, as municipal sampling cannot predict every household’s situation due to varying internal plumbing.
New Hanover’s Lead Results Are Consistent with Regional Assessments but Don't Apply to Every Home
Comparing Wilmington’s water system record to neighboring counties’ data highlights that lead detections are not uniform across regions or within each community. The zero 90th percentile lead measure reported for CFPUA-WILMINGTON does not imply all homes have zero lead but reflects widespread distribution sampling results. Regional comparisons help contextualize local concerns but should not substitute for personal water testing.
Household Plumbing Materials and Age Can Influence Lead Exposure Independently of Source Water Quality
The absence of lead in source water and public system records does not eliminate lead risks caused by older plumbing components like lead pipes, lead-based solder, brass fixtures, or galvanized iron pipes. Homes built before modern plumbing regulations are more likely to have materials that can contribute lead to tap water. Understanding this distinction is crucial for addressing lead concerns effectively.
Municipal Water Sampling Uses Multiple Samples and Locations—Individual Results Vary
The CFPUA-WILMINGTON water system serves over 200,000 residents through nearly 85,000 service connections. Its lead measurements result from samples taken across this broad distribution system. However, only individual testing at a household level can determine the specific lead level in your water. A small number of samples or a one-time test cannot fully characterize lead exposure risk in a single home.
For households finding their current treatment equipment unable to keep pace with lead concerns, the C-Series Lead in Water Filter ships ready to configure. It is designed to meet residential demand levels, providing an additional barrier where lead is a concern. Proper evaluation of household water and the local water system record can guide whether this approach fits your needs.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2028-12-31. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA SDWIS record for CFPUA-WILMINGTON (NC0465010), surface water supply, serving 212227 people: 0 health-based violations of 8 total; lead 90th percentile 0 mg/L