Lead Exposure Reduction


Where are lead service lines in NJ?

Check your local water system’s website for their inventory. Water systems serving fewer than 3,300 customers, without an Internet website available, must make their most recent service line inventory available in another publicly accessible location. Water systems serving greater than 3,300 customers must make their most recent service line inventory available on their website.


New Jersey's Lead Service Lines by the Numbers (September 2021)

Community water systems are required to submit inventories of lead service lines in their service areas to the DEP, and replace all lead service lines by 2031. The most recent inventories were submitted in September 2021 and January 2022.

Known Lead Service Lines

186,830

Service Lines of Unknown Materials

1,084,258

Questions about your service line or your town’s service lines?

Please reach out to your water supplier.
If you are uncertain who your water supplier is, you can look it up on NJ Drinking Water Watch.

For other questions:

LeadInDW@dep.nj.gov or 609-292-5550