Service Line Inventory Map

Use our interactive Service Line Inventory Map to look up your street address and see the material type(s) of your water service line. Zoom in on the map or enter your address in the search box located in the top left corner to view an individual property’s service line material. The map will zoom in on your entered location and display a circle icon. Click the icon to learn more about your service line material. Click off the point or clear the search to remove the selection.

How to Read the Map


The left side of the symbol represents the customer-owned portion of the service line.

The right side of the symbol represents the portion of the service line that is owned and maintained by the Wilmington Water Utility.

Service Line Map Key

Is Your Service Line Unknown? Learn How to Identify and Complete our Survey Here.

Health Effects of Lead 

Exposure to lead in drinking water can cause serious health effects in all age groups. Infants and children can have decreases in IQ and attention span. Lead exposure can lead to new learning and behavior problems or worsen existing learning and behavior problems. The children of women who are exposed to lead before or during pregnancy can have increased risk of these negative health effects. Adults can have increased risks of heart disease, high blood pressure, and kidney, or nervous system problems.