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What's New
Water Quality Accountability Act
DEP adopted Well Construction and Maintenance; Sealing of Abandoned Wells regulations on January 2, 2018
DEP adopts Revised Total Coliform Rule (RTCR) changes to SDWA Rules (N.J.A.C. 7:10)
New Jersey’s Environmental Infrastructure Financing Program - Proposed Intended Use Plan for Federal Fiscal Year 2018 (and State Fiscal Year 2019)*
DEP MOVING FORWARD WITH STANDARDS FOR PFOA AND PFNA
SOC Waivers for the 2017-2019 compliance period
***Newly updated and expanded Lead & Copper, and Water Quality Parameter Plan Updated Guidance and Templates now available***
What is a Drinking Water Advisory?
Featured Topics
Asset Management Program
Transco Expansion Project – Compressor Station 203
Updated Water Main Break Guidance now available
Resiliency Guidance:
Mitigation Ideas: A Resource for Reducing Risk to Natural Hazards

Mission Statement
The Division of Water Supply & Geoscience works to ensure New Jersey’s water supply is adequate, reliable, safe and available for the future.  DWSG regulates ground and surface water diversions and associated infrastructure for drinking, agriculture, industry, irrigation, and other uses while providing drinking water financial, licensing and training support.  DWSG collects, analyzes and maps geologic, hydrologic and quality data for planning long-term water availability to minimize drought and other emergencies.

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Last Updated: April 26, 2018