Service lines are the pipes that transport water from the water main in the street into homes. If you live in a house or two-flat or a small building built before 1986, there is a high likelihood that your water service line. Lead lines are not usually found in larger buildings.
There are approximately 400,000 lead service lines in Chicago. We have compiled this inventory using information collected while performing infrastructure maintenance and estimates based on property descriptions. You can also check whether your line is lead and send us your results. The location displayed on the map is an approximation. The service address of a building may not match the location of the building.
If you want to lookup the service line material of a specific address that is not being shown in the service line inventory, please use the Contact Us form.
Chicago’s drinking water meets all national, state and industry standards for safety because the Chicago Department of Water Management adds corrosion control, which coats the pipes to help prevent lead from dissolving into our water. If you have any concerns about your water quality, have it tested for free.
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