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A scientist wearing black gloves is collecting a sample of tap water from the kitchen sink using small plastic vials.
Water Sampling for PFAS
Water Sampling for PFAS
Water Sampling for PFAS

 A USGS scientist wearing black gloves is collecting a sample of tap water from the kitchen sink using small plastic vials to test for PFAS.

 A USGS scientist wearing black gloves is collecting a sample of tap water from the kitchen sink using small plastic vials to test for PFAS.

Scientist measuring a granulated chemical in an enclosed scale
Measuring SPATT resin
Measuring SPATT resin
Measuring SPATT resin

Technician Kathryn Cahalane using an analytical balance to measure resin for SPATT production. 

Technician Kathryn Cahalane using an analytical balance to measure resin for SPATT production. 

Ultrasonic Flow Meter attached to a domestic water pipe
Flow_Meter
Flow_Meter
Flow_Meter

Clamp-on ultrasonic flow meter measuring total flow on a pipe at a private well monitoring site.

Clamp-on ultrasonic flow meter measuring total flow on a pipe at a private well monitoring site.

Jon Cohl ADCP at 01457400 Musconetcong Riegelsville
Jon Cohl ADCP at 01457400 Musconetcong Riegelsville
Jon Cohl ADCP at 01457400 Musconetcong Riegelsville
Jon Cohl ADCP at 01457400 Musconetcong Riegelsville

Photo Contest Winner | January 2021 | People
Jon Cohl ADCP at 01457400 Musconetcong Riegelsville

Photo Contest Winner | January 2021 | People
Jon Cohl ADCP at 01457400 Musconetcong Riegelsville

USGS scientists are standing on a dock and holding a small uncrewed underwater vehicle above the water before releasing
Launching an autonomous underwater vehicle in the Delaware River
Launching an autonomous underwater vehicle in the Delaware River
Launching an autonomous underwater vehicle in the Delaware River

USGS scientists Matt Gyves (left) and Jason Shvanda (center) deploying a low-cost, small uncrewed underwater vehicle (sUUV) to autonomously measure water quality parameters in the Delaware River with Ian Owen from Jaia Robotics (right).

USGS scientists Matt Gyves (left) and Jason Shvanda (center) deploying a low-cost, small uncrewed underwater vehicle (sUUV) to autonomously measure water quality parameters in the Delaware River with Ian Owen from Jaia Robotics (right).

Yellow sampling Buoy floating in the reservoir
Deployed Buoy
Deployed Buoy
Deployed Buoy

EMM68 buoy deployed on the Spruce Run Reservoir

EMM68 buoy deployed on the Spruce Run Reservoir

An antenna standing next to the side of a house
Antenna
Antenna
Antenna

Iridium antenna mounted on a pole.

Iridium antenna mounted on a pole.

USGS hydrographer standing in the river holding a sampling rod with a bridge high in the air behind him
Sampling the Delaware
Sampling the Delaware
Sampling the Delaware

USGS Hydrographer Jon Cohl collecting water quality samples of the Delaware River for the NWQN at the Delaware River at Trenton, NJ (01463500) Site

USGS Hydrographer Jon Cohl collecting water quality samples of the Delaware River for the NWQN at the Delaware River at Trenton, NJ (01463500) Site

Looking across a river at the buildings of the town of New Hope
Lambertville Webcam
Lambertville Webcam
Lambertville Webcam

View of New Hope, Pennsylvania, as seen from across the river at the 014462000 Delaware River at Lambertville, New Jersey gage.

View of New Hope, Pennsylvania, as seen from across the river at the 014462000 Delaware River at Lambertville, New Jersey gage.

Scientist setting SPATT sampler to a post set in the river.
SPATT Deployment
SPATT Deployment
SPATT Deployment

Scientist Kaitlin Bowen attaching a SPATT sampler to a stable post in the Salem River.

Scientist Kaitlin Bowen attaching a SPATT sampler to a stable post in the Salem River.

Looking downstream along a stone walled river towards a weir and bridge
Wanaque Webcam
Wanaque Webcam
Wanaque Webcam

Wanaque River flowing over the weir at 01387000 Wanaque River at Wanaque, New Jersey

Wanaque River flowing over the weir at 01387000 Wanaque River at Wanaque, New Jersey

Concrete walkway over a dam spillway leading to the gatehouse on hte far side
Ramapo Dam Webcam
Ramapo Dam Webcam
Ramapo Dam Webcam

looking at the Ramapo Rver dam spillway at the 01387998 Ramapo River above Dam at Pompton Lakes, New Jersey gage

looking at the Ramapo Rver dam spillway at the 01387998 Ramapo River above Dam at Pompton Lakes, New Jersey gage

Scientists checking a monitor downstream of reservoir
HABs Deployment
HABs Deployment
HABs Deployment

Hydrologist Bradley Bjorklund sharing deployment information with cooperators at an anchored continuous water quality monitor deployment downstream of the outlet at Spruce Run Reservoir

Hydrologist Bradley Bjorklund sharing deployment information with cooperators at an anchored continuous water quality monitor deployment downstream of the outlet at Spruce Run Reservoir

Scientists deploying a water quality monitor in the river
HABs downstream deployment
HABs downstream deployment
HABs downstream deployment

Scientists setting up a multi-parameter sonde water quality monitor deployment anchored to the streambed and suspended in the center of flow downstream of the outlet at Spruce Run Reservoir.

Scientists setting up a multi-parameter sonde water quality monitor deployment anchored to the streambed and suspended in the center of flow downstream of the outlet at Spruce Run Reservoir.

Looking down through branches on brown muddy water flowing over a weir
Chathem Webcam
Chathem Webcam
Chathem Webcam

Webcam view showing the control at the Passaic River near Chathem, New Jersey streamgage.

Webcam view showing the control at the Passaic River near Chathem, New Jersey streamgage.

Webcam image from Whippany River at Morristown
Whippany Morristown Webcam
Whippany Morristown Webcam
Whippany Morristown Webcam

View showing the weir and staff in the Whippany River at Morristown, New Jersey

View showing the weir and staff in the Whippany River at Morristown, New Jersey

Serine pool in a river as it leads out through a small concrete bridge opening
Macopin Webcam
Macopin Webcam
Macopin Webcam

Looking at the gage pool for the 01382500 Pequannock River at Macopin Intake Dam, New Jersey Gage

Looking at the gage pool for the 01382500 Pequannock River at Macopin Intake Dam, New Jersey Gage

Tree shaded road with river running under it from the right side of the frame
Dawes Webcam
Dawes Webcam
Dawes Webcam

View of the river as it flows under Dawes Highway at the 01388100 Pompton River at Dawes Highway at Pompton, New Jersey gage

View of the river as it flows under Dawes Highway at the 01388100 Pompton River at Dawes Highway at Pompton, New Jersey gage

Some old Dam gate controls in the foreground, looking past to the weir in the river.
Pompton Plains Webcam
Pompton Plains Webcam
Pompton Plains Webcam

Looking at the Pompton River from the 01388500 Pompton River at Pompton Plains, New Jersey gage

Looking at the Pompton River from the 01388500 Pompton River at Pompton Plains, New Jersey gage

Close view of river flowing over a small weir under the shade of trees
Hohokus Webcam
Hohokus Webcam
Hohokus Webcam

Looking at the river and weir at -01391000 Hohokus Brook at Ho-ho-kus, New Jersey from the left bank gage.

Looking at the river and weir at -01391000 Hohokus Brook at Ho-ho-kus, New Jersey from the left bank gage.

Webcam image from Pascack Brook at Hillsdale
Hillsdale Webcam
Hillsdale Webcam
Hillsdale Webcam

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

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