Toxic Substances Hydrology Program

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"Everything we do is designed to safeguard the Nation's health, economy, and resources."

The combined Toxics Substances Hydrology and Contaminant Biology Programs provide a unique portfolio of scientists, laboratories, field sites, and capabilities to study contaminants in the environment to protect that most precious resource—health.

About the Environmental Health Mission Area Programs

About the Environmental Health Mission Area Programs

Learn more about the programs administered by the Environmental Health Mission Area

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GeoHEALTH-USGS Newsletter

GeoHEALTH-USGS Newsletter

Learn more about the Environmental Health Mission Area through our newsletter - the GeoHELATH-USGS Newsletter. The newsletter provides information on new USGS science activities.

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A U.S. Geological Survey (USGS) wildlife pathologist examines a Cassin's auklet (Ptychoramphus aleuticus) in the necropsy lab

"Everything we do is designed to safeguard the Nation's health, economy, and resources." 

Deployment of SPMDs and POCIS passive samplers at Willow Beach, Arizona

Examples of priority science activities that fill current science gaps.

The quality of the water we drink can inpact our health

The daily news cycle demonstrates that the public, health organizations, industry, and government agencies want to know if contaminants and pathogens in the environment pose a risk to the health of humans, pets, livestock, or wildlife.