New Jersey Water Science Center

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Webcam image from Pascack Brook at Hillsdale
August 20, 2020

Hillsdale Webcam

Webcam image from Pascack Brook at Woodcliff Lake outlet at Hillsdale, NJ (01377451) 

Groundwater well casings in Browns Mills study area
July 30, 2020

Little Pine Lake wells

Groundwater piezometers used to monitor vertical hydraulic gradients, Little Pine Lake, Browns Mills, New Jersey.

View upstream in a walled river channel seen from Washington Avenue in Belleville, NJ
March 5, 2020

Second_River

Looking upstream from the bridge at the sampling site on the Second River above Washington Ave at Belleville, NJ (USGS Downstream order number 01392518) 

Ringing Rocks
December 2, 2019

Pam Reilly

Pamela Reilly, Hydrologist

Scientists setting out a monitor for algal bloom
July 9, 2019

Hopatcong Monitor

USGS scientists Lisa Carper and Jon Cohl deploy a monitoring buoy at Lake Hopatcong, New Jersey, to monitor water-quality conditions and a harmful algal bloom in near real-time.

Looking a a monitoring Buoy from the boat
July 9, 2019

Hopatcong Buoy

USGS scientists deploy a monitoring buoy on Lake Hopatcong, New Jersey, to monitor water-quality conditions and a harmful algal bloom in near real-time. USGS scientist Karl Braun is photographed.

Scientists collecting samples on lake Hopatcong
July 9, 2019

Sampling Hopatcong

USGS scientists Brad Bjorklund and Jon Cohl collect a water-quality sample at Lake Hopatcong, New Jersey, to monitor a harmful algal bloom on the lake.

Monitor buoy floating on Lake Hopatcong
July 9, 2019

Monitor Buoy

USGS monitoring buoy deployed on Lake Hopatcong, New Jersey, to monitor water-quality conditions and a harmful algal bloom in near real-time.

Warning sign posted at the marina on Lake Hapatcong
July 9, 2019

Hopatcong Warning

The New Jersey Department of Environmental Protection advised the public to avoid swimming in or contact with Lake Hopatcong water due to a harmful algal bloom confirmed in June 2019 by aerial surveillance. To help study water-quality conditions and the bloom’s severity, the USGS installed a monitoring buoy on the lake in July.

Harmful Algal Bloom floating on Lake Hopatcong
July 9, 2019

Algal Bloom on Hopatcong

Harmful Algal Bloom on Lake Hopatcong.

Two USGS scientists collecting samples from the river bed
December 20, 2018

NAWQA Sampling

USGS Scientists collecting Biological samples in stream bed