USGS - science for a changing world

Environmental Health - Toxic Substances

Research Projects

The Toxic Substances Hydrology Program conducts research on three categories of contamination issues:

Subsurface Point-Source Contamination

Contaminated Site Management and Remediation

Watershed- and Regional-Scale Contamination

Other Fundamental Research and Methods Development

     
Map of Toxics Program Study Sites
Locations of Toxics Program Investigations
(Click on map for larger version)

Acid mine drainage from California Gulch (right) mixes with the waters of the Arkansas River, Colorado (left).
Acid mine drainage from California Gulch (right) mixes with the waters of the Arkansas River, Colorado (left). The chemical reactions that occurred as water from the Gulch mixed with the River's water controlled the quality of water downstream of the confluence -- from the Tracer Tests Photo Gallery

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Page Last Modified: Tuesday, 06-May-2014 14:36:53 EDT