Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Images
USGS scientists Gregory D'Agostino and Katherine Wares collecting soil and worms at a site on Cape Cod, Massachusetts, that was contaminated by PFAS from fire-fighting foam.
USGS scientists Gregory D'Agostino and Katherine Wares collecting soil and worms at a site on Cape Cod, Massachusetts, that was contaminated by PFAS from fire-fighting foam.
Invertebrate being collected at a site on Cape Cod, Massachusetts, that was contaminated by PFAS from fire-fighting foam used at the site.
Invertebrate being collected at a site on Cape Cod, Massachusetts, that was contaminated by PFAS from fire-fighting foam used at the site.
Illustration showing that drinking water is shared by both humans and wildlife, illustration created by Kathy Lee
Illustration showing that drinking water is shared by both humans and wildlife, illustration created by Kathy Lee
Scientist istalling a swallow nest box near Ashumet Pond, Cape Cod Massachusetts as part of a study on the fate and effects of PFAS chemicals.
Scientist istalling a swallow nest box near Ashumet Pond, Cape Cod Massachusetts as part of a study on the fate and effects of PFAS chemicals.
Joe Adams (USGS National Uncrewed Systems Office) pilots and Keith Grabner (USGS Columbia Environmental Research Center) acts as visual observer as a drone equipped with EPA particulate and gas samplers (right) hovers in the plume of a spring prescribed burn at the Konza Prairie Biological Station, Tallgrass Prairie National Preserve, Kansas.
Joe Adams (USGS National Uncrewed Systems Office) pilots and Keith Grabner (USGS Columbia Environmental Research Center) acts as visual observer as a drone equipped with EPA particulate and gas samplers (right) hovers in the plume of a spring prescribed burn at the Konza Prairie Biological Station, Tallgrass Prairie National Preserve, Kansas.
U.S. Geological Survey scientists holding a Colorado pikeminnow during a sampling trip in the Upper Colorado River Basin.
U.S. Geological Survey scientists holding a Colorado pikeminnow during a sampling trip in the Upper Colorado River Basin.
USGS scientists Jason Sorenson and Andrea Tokranov (out of the image) collecting lake-bottom sediments from Ashumet Pond on Cape Cod, Massachusetts for use in laboratory experiments on the fate of PFAS at groundwater/surface-water boundaries. The sediments are collected by pushing a tube into the lake bottom and transferring the sediment and pore water in
USGS scientists Jason Sorenson and Andrea Tokranov (out of the image) collecting lake-bottom sediments from Ashumet Pond on Cape Cod, Massachusetts for use in laboratory experiments on the fate of PFAS at groundwater/surface-water boundaries. The sediments are collected by pushing a tube into the lake bottom and transferring the sediment and pore water in
MC-ICP-MS used for mercury stable isotope analyses.
MC-ICP-MS used for mercury stable isotope analyses.
Nippon mercury analyzer for sediments and fish.
Nippon mercury analyzer for sediments and fish.
Graduate student, Grace Armstrong, performing mercury uptake studies in plankton at Mercury Research Laboratory, Middleton, Wisconsin.
Graduate student, Grace Armstrong, performing mercury uptake studies in plankton at Mercury Research Laboratory, Middleton, Wisconsin.
Releases of oil and gas wastewaters can have complex effects on stream-water quality and downstream organisms, due to sediment-water interactions and groundwater/surface water exchange.
Releases of oil and gas wastewaters can have complex effects on stream-water quality and downstream organisms, due to sediment-water interactions and groundwater/surface water exchange.
Microscopic appearance of normal and melanistic skin in fish from Chesapeake Bay watershed.
Microscopic appearance of normal and melanistic skin in fish from Chesapeake Bay watershed.
A well pump in rural North Dakota.
White barn in a rural setting in North Dakota.
White barn in a rural setting in North Dakota.
USGS Hydrologic Technician assisting with collection of downwelling porewater samples in a PFAS-impacted lake on Cape Cod.
USGS Hydrologic Technician assisting with collection of downwelling porewater samples in a PFAS-impacted lake on Cape Cod.
Photographic image taken at Franklin Lock and Dam, Caloosahatchee River, Florida
Photographic image taken at Franklin Lock and Dam, Caloosahatchee River, Florida
Photographic image of two USGS scientists on a boat collecting water samples for HABS research at the Franklin Lock and Dam, Caloosahatchee River, Florida.
Photographic image of two USGS scientists on a boat collecting water samples for HABS research at the Franklin Lock and Dam, Caloosahatchee River, Florida.
Visitors at Winnewissa Falls in Pipestone National Monument
Visitors at Winnewissa Falls in Pipestone National Monument
Benthic macroinvertebrate taxa collected from Straight Run, Tioga County, Pennsyvania, USA.
Benthic macroinvertebrate taxa collected from Straight Run, Tioga County, Pennsyvania, USA.
Beautiful photo of mountains and water taken at Wildhorse Creek, Idaho. Photo Credit: Austin Baldwin
Beautiful photo of mountains and water taken at Wildhorse Creek, Idaho. Photo Credit: Austin Baldwin
This image is a cropped rendition of two aerial images that demonstrate satellite-derived cyanobacteria concentrations in surface waters from an area in Florida.
This image is a cropped rendition of two aerial images that demonstrate satellite-derived cyanobacteria concentrations in surface waters from an area in Florida.