Home Page | NJDEP DWM&S Continuous Data Monitoring Program

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Real-Time Station Table - ↑↓: 24 hour trend

Notes: “Chloro”: Chlorophyll a ; “Phyco”: Phycocyanin

Waterbody / Site		DO	Chloro	Phyco	pH	Temperature

Note: 24 hour trend calculated by comparing the prior 24 hour period from current date/time to the prior 24-48 hour period from current date/time.

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NJDEP Continuous Data Monitoring Program

In addition to its many discrete monitoring programs, the Division of Water Monitoring & Standards (DWM&S) also manage numerous continuous monitoring activities that involve the use of short and long term data loggers throughout NJ in both fresh and marine waters.

Data loggers are electronic devices that utilize sensors and probes to measure various water quality parameters 24 hours per day, 7 days per week. Parameters measured can vary from unit to unit and may include Dissolved Oxygen, Temperature, Chlorophyll, Phycocyanin, pH, Turbidity, Specific Conductance, Salinity, and Dissolved Oxygen %. Data logger deployments may range from several days to many months and are located in lakes, streams, and bays throughout NJ. In some cases, the data loggers transmit real-time parameter values every 15 minutes.

This continuous monitoring data is used to: (1) Support the Harmful Algal Bloom (HAB) Monitoring initiative developed to protect public health. Chlorophyll, Phycocyanin pigment, pH and Dissolved Oxygen are used to monitor the changing conditions of an algae bloom so that when needed, appropriate actions can be taken. (2) Measure fluctuations of Dissolved Oxygen and Temperature to determine the ecological health of streams. (3) Generate data to be used in the New Jersey Integrated Water Quality Monitoring and Assessment Report (Integrated Report). Every two years, a new water region in NJ is given a comprehensive monitoring and assessment focus which requires new continuous monitoring site selection.

On this website, users will find the locations of DWM&S managed continuous monitoring activities – both long and short term, active and historical, as well as information specific to each location. Data associated with each location is available for download and graphing. In addition, users will find continuous data generated by various DEP partners also involved with continuous monitoring.

Real-Time Station Trending Table

Waterbody	Site	Phycocyanin	DO	Chlorophyll a	pH	Temperature

NOTE: Provisional Data Subject to Revision

Real-time data displayed in the station dialog box are provisional and subject to revision until data has been thoroughly reviewed and approved.

Provisional data may be inaccurate due to instrument malfunctions or physical changes at the measurement site. Revisions to this data may occur as a result of field and equipment inspections.

Users are cautioned to consider carefully the provisional nature of the data before using it for decisions that concern personal, public safety, or business related activities.

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