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Explore Search: Featured Science

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Research
Stream sample locations used in a study of the occurrence of glyphosate upstream and downstream of wastewater treatment plants

Glyphosate Found in Wastewater Discharged to Streams

Research
Location of U.S. Geological Survey Toxic Substances Hydrology Program study areas for triazine herbicides in the Midwestern US

A Decade of Research on the Occurrence of Triazine Herbicides in the Environment Leads to a Unique Summary

Research
Mill tailings deposited on the flood plain of Basin Creek in the Boulder River watershed, Montana, 1998

Multidisciplinary Approach to Remediating Watersheds Contaminated from Abandoned Mine Lands

Research
A view of a farm field in Iowa

Glyphosate Herbicide Found in Many Midwestern Streams, Antibiotics Not Common

Research
Field technicians measuring field parameters with a multiparameter meter in a stream during a reconnaissance study

National Reconnaissance of Pharmaceuticals, Hormones and Other Organic Wastewater Contaminants in U.S. Streams is Making an Impact

Activity
Natural-color image of Hurricane Sandy

Persistent Contaminant Threats Following Hurricane Sandy—Establishing Baselines and Assessing Impacts

Topic
infographic displaying economic statistics of various characteristics and challenges in ecosystems science.

USGS Research on 6PPD-quinone: Where the Rubber Meets the Road

Research
White sturgeon hatch

Do Trace Metal Concentrations in the Upper Columbia River Affect Early Life Stage White Sturgeon?

Research
Dragonfly

Long-Term Monitoring Reveals How Water and Biota in Remote Lakes Respond Differently to Changes in Atmospheric Deposition of Mercury

Research
Huron River at Milan, OH

Framework Developed to Evaluate the Practicality of Effects-Directed Analyses to Identify Endocrine Active Chemicals in Complex Environmental Sample Mixtures

Research
American kestrel

Bird Hatchling Development Following Exposure to Environmentally Relevant Levels of Brominated Flame Retardants

Research
USGS scientist dissecting a summer flounder

Pesticides Common in California Estuary

Research
Cyanobacterial bloom

GeoHealth Newsletter - USGS February 2020

Research
Smallmouth Bass

Intersex in Male Smallmouth Bass in the Missisquoi River in Vermont: Understanding Factors that Can Lead to Endocrine Disruption in Field Settings

Research
Image: Black-Crowned Night-Heron (Nycticorax nycticorax)

Sublethal Effects of Contaminants in Aquatic Food Webs—Research Challenges and Considerations for Future Studies

Research
USGS scientists collecting oil from wells

Variability in Composition of an Oil Spill after more than 30 Years of Natural Attenuation

Research
Dusty road conditions at Squaw Creek

Program Scientist Receives Award for Research on the Effects of Road Dust Control Chemicals

Research
Screenshot from Decadal Change in Groundwater Quality application

USGS Online Mapper Provides a Decadal Look at Groundwater Quality

Research
USGS analyst performs DNA extractions in a laboratory

Swine Manure Application as a Source of Hepatitis E Virus and other Livestock-Related Pathogens

Activity
U.S. Geological Survey (USGS) scientist Denis R. LeBlanc

DOI Distinguished Service Award Given to Two Program Scientists

Activity
A USGS scientist collecting a liver tissue sample from a wild-caught white sucker (Catostomus commersonii) from a river in the G

New Hepatitis B Virus Discovered in White Sucker (Catostomus commersonii)

Activity
cientists collecting bed-sediment samples from Suwanee Creek, Georgia

New Sediment-Toxicity Benchmarks Available for Pesticides in Whole Sediment

Activity
Canyon Mine Sampling

U.S. Geological Survey Develops Approach to Assess Baseline Chemical and Radiological Conditions Prior to Uranium Mining near Grand Canyon National Park

Activity
Burning coal for energy production contributes large amounts of mercury to the atmosphere

Comprehensive Assessment of Mercury in Streams Explains Major Sources, Cycling, and Effects

Activity
Three technicians collecting a rotasonic core during a well installation

Arsenic in Minnesota Groundwater

Activity
Eight of 22 major aquifer networks showed increases in concentrations of deethylatrazine, a degradation product of the herbicide

Small Decadal–Scale Changes in Pesticides in Groundwater

Activity
The HBSL database contains 777 contaminants

USGS Health-Based Screening Levels Available Online

Research
Solid phase extraction of river water samples

Estrogenic Contaminants from Plants and Fungi Found in Iowa Streams

Activity
Applying a solution of water and a stable isotope of mercury (202Hg) on the shores of a lake in the Experimental Lake Area

Some Ecosystems will Respond to Reductions in Mercury Emissions

Activity
USGS scientist collecting sediment from the bottom of the Salton Sea, California

Measuring Antidepressants, Fungicides, and Insecticides in the Environment

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