The Division of Water Monitoring and Standards provides water quality information to assess and manage New Jersey's water resources. This information is critical to knowing whether NJ’s waters are safe to swim in, aquatic life is healthy, fish and shellfish are safe to eat, and contributes information on whether water sources are safe to use for drinking water. Click on the
Mission Statement below for additional information about the Division.
Click on any of the photos in the slideshow below to learn about many of the monitoring and analysis activities of the Division.
Public comments now being sought on the Draft 2016 303(d) List of Water Quality Limited Waters. Deadline for submission is October 16, 2019. Click here for documents as well as additional information.
Click here for information on the Lake Hopatcong and Greenwood Lake Harmful Algal Blooms.
Recruitment Underway for 2019-2020 Class of AmeriCorps NJ Watershed Ambassadors. Click here for additional information.
Surface Water Quality Standards Category One upgrades rule proposal now available. Click here for the rule proposal. Click here for the accompanying maps, here for user instructions, here for a GIS layer of the 2019 proposed upgrades, here for maps of impacted upstream tributaries to 2019 proposed Category One waters and here for C1 background and potential impacts.
The Division of Water Monitoring and Standards provides water quality information to assess and manage New Jersey’s water resources. This information is critical to knowing whether NJ’s waters are safe to swim in, aquatic life is healthy, fish and shellfish are safe to eat, and contributes information on whether water sources are safe to use for drinking water.
Ecosystem, public health protection and restoration measures are accomplished through:
Collection of ambient water quality data (fresh, marine and ground water)
Development of water quality standards
Total Maximum Daily Loads (TMDLs)
Watershed-based restoration plans
Administration of nonpoint source pollution control projects to help restore impaired waters
The water quality monitoring data is used in the assessment and support of the Department’s responsibilities under:
Sections 303(d), 305(b) and 319(h) of the federal Clean Water Act
The federal Safe Drinking Water Act
The National Shellfish Sanitation Program
The USEPA’s BEACH Grant
The Division also educates and empowers citizens through the AmeriCorps NJ Watershed Ambassadors and Citizen Science Programs.
Contact Us: Main Location
NJDEP Division of Water & Monitoring and Standards
PO Box 420 (Mail Code 401-04I) 401 East State Street Trenton, New Jersey 08625-0420