Governor Phil Murphy • Lt. Governor Tahesha Way
NJ Home | Services A to Z | Departments/Agencies | FAQs  
State of New Jersey Department of Environmental Protection
State of New Jersey Department of Environmental Protection
DWSG Home | Contact DWSG | A - Z Index | DEP Home 
Drinking Water Customers Drinking Water Customers (residential and commercial/industrial)
Your Utility & Its Water Quality Physical Connection Permits
Learn about Water Quality Water Conservation & Protection
Child Care Certification Drinking Water Watch
Lead Water Quality Complaints

Drinking Water Systems
Sampling & Regulatory Forms Quantity, Conservation & Protection
Training & Certification
Construction Permits Drinking Water Watch
Emergencies & Security Lead
Loans & Capacity Development Harmful Algal Blooms
Water Quality Accountability Act Covid-19 Information

Wells Wells
Well Permits & Information
Residential Wells Well Drillers & Pump Installers
  General Information   NJ Advisory Board
  Private Well Testing Act   Licensing & Exams

NJGS NJ Geological and Water Survey
Mapping, research, interpretation and scientific information regarding the state's geology and water resources.

Water Allocation Water Allocation
Water Allocation & Registrations Agricultural Certifications & Registrations
Dewatering Water Utilization

General General
Laws & Regulations Division Organization
Boards & Committees Office of Science Publications
including drinking water reports
Water & Wastewater System Operator Licensing
New Jersey Water Supply Plan Useful Links

Like Us On Facebook-NJH2O
What's New

Well Driller Board Vacancy Announcement
There is an upcoming vacancy on the NJ State Well Drillers and Pump Installers Examining and Advisory Board (Board). The vacancy is to be filled by an individual who is not licensed as a well driller or pump installer, not employed by the State, and does not have a financial interest in the well drilling/pump installation trade. Full details on this posting and how to apply for it can be found here.

2023 Capacity Development Implementation Report

Bureau of Water Allocation & Well Permitting
– WAAS Tool

The Water Allocation Availability Screening (WAAS) Tool helps identify water supply areas of concern to assess probable water availability and potential permitting process impediments and/or issues. This tool hosted in the NJ Geology Information App. This tool is available here. Click the “hammer” icon on the upper right of the toolbar to start the tool.

2022 Annual Report of Violations

Trenton Water Works Direct Operational Oversight

Out of Service Facilities Forms Update
DWSG has revised the Facility Out of Service form, which is available here. A new form for reporting wells out of service after a GWR triggering event is also available here.

Licensed Operator Program Update

New Jersey Water Supply Plan Website
NJDEP is currently in the process of updating the New Jersey Statewide Water Supply Plan. To learn more and get involved in assisting NJDEP as it develops this key document, click here.

Lead Service Line Replacement Law Resources- Updated November 2022
LSL Replacement Round Table Webinar (10-13-2022) Slides
Lead Service Line Replacement Frequently Asked Questions
LSL Law Webinar (5-17-2022) Slides
Annual Lead Service Line Replacement Progress Report
Annual Lead Service Line Replacement Progress Report Instructions
Lead Service Line  (LSL) Inventory Report
Lead Service Line (LSL) Inventory Report Instructions
Lead Service Line Notification Form
Guidance for Developing a Lead Service Line Replacement Plan 
Initial Lead Service Line Identification and Replacement Plan Template
Lead Service Line Replacement Contact Log
Resident Refusal Form
Predictive Modeling Rationale new November 2022
Predictive Modeling Guidance revised February 2024
Predictive Modeling Fact Sheet revised May 2023

Updated Operations & Maintenance Resources

Third Party Representative Designation Updates- June 2022
Third-Party Representative Designation Form (DEP_DWSG_00020.1)
Third-Party Representative Designation Factsheet

WQAA Updates
DWSG has updated the WQAA website with information about the 2021 Amendments to the WQAA, and the Capital Improvement Report submittal requirements. Learn more here.


The City of Newark - Lead

Monitoring Updates


New MCL – PFNA/1,2,3 TCP Webinar
Suggest a topic for a webinar – email

Mission Statement

The Division of Water Supply & Geoscience (DWSG) works to ensure New Jersey’s water supply is adequate, reliable, safe, and available for the future, based on sound science.


Site Index

Department: NJDEP Home | About DEP | Index by Topic | Programs/Units | DEP Online
Statewide: NJ Home | Services A to Z | Departments/Agencies | FAQs

Copyright © State of New Jersey, 1996-2024

Last Updated: February 14, 2024