Contact the Division of Water Supply & Geoscience
NJDEP-Division of Water Supply & Geoscience
Mail Code 401-04Q
P.O. Box 420
401 East State Street
Trenton, New Jersey 08625
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.
Call us at these numbers: