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What's New

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

Lead Service Line Replacement Law Resources- Updated June 2022
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

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.

New Jersey Lead Service Line Replacement Requirements- UPDATED DECEMBER 2021
Lead Service Line Replacement Frequently Asked Questions
Lead Service Line Requirements: Notification Q&A Slides
Lead Service Line Replacement January 4, 2022 Webinar Slides

On July 22, 2021, the Governor signed legislation into law for mandatory lead service line replacement, “NJ Bill A5343/S3398”, P.L.2021, Ch.183, effective immediately upon signature. Public community water systems are required to inventory and replace all known lead service lines and address all service lines of unknown materials in their service areas by July 22, 2031. The legislation also bans partial lead service line replacements. Additional information may be found online at

Water Allocation Fee Changes 2022
The Department has adjusted the fees for water supply allocation permits, temporary dewatering permits, and water use registrations as provided by rule. View more details.


2020 Annual Report of Violations

Licensed Operator Program Update

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.


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Last Updated: June 30, 2022