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Dive into our publications and explore the science from the Environmental Health Program (Toxic Substances Hydrology and Contaminant Biology).

GeoHEALTH-USGS Newsletter

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The GeoHEALTH–USGS Newsletter—published since 2004—provides information on USGS science activities pertinent to safeguarding the health of fish, wildlife, domesticated animals, and people from environmental exposures to contaminants and pathogens.

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Featured Science Activities

USGS scientist sampling tap water from a public water supply

Lean about our Featured Science Activities through our pages that highlight science studies, publications, and results.

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Filter Total Items: 3740

Mineralogical characteristics and acid-neutralizing potential of drill core samples from eight sites considered for metal-mine related waste repositories in northern Jefferson, Powell, and Lewis and Clark Counties, Montana

No abstract available.
Authors
G. A. Desborough, Rhonda Driscoll
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

Spatial variation in saturated hydraulic conductivity of sediments at a crude-oil spill site near Bemidji, Minnesota

Saturated hydraulic conductivity of aquifer sediments at a crude-oil spill research site near Bemidji, Minnesota were examined using pneumatically-induced head-difference tests and packer/vacuum system tests. Results from slug tests on 58 wells show that hydraulic conductivity varies both horizontally and vertically in the range from about 10-7 to 10-4 meters per second (m/s), with a median of 7.2
Authors
Michael L. Strobel, G. N. Delin, Carissa J. Munson
By
Water Resources Mission Area, Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, Upper Midwest Environmental Sciences Center, Upper Midwest Water Science Center

Geomorphology, flood-plain tailings, and metal transport in the upper Clark Fork Valley, Montana

No abstract available.
Authors
J. Dungan Smith, J. H. Lambing, D. A. Nimick, Charles Parrett, Michael Ramey, William Schafer
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

Delineation of contributing areas to selected public-supply wells, western Cape Cod, Massachusetts

No abstract available. 
Authors
John P. Masterson, Donald A. Walter, Denis R. LeBlanc
By
Water Resources Mission Area, Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, New England Water Science Center

Modeling solute-transport and biodegradation with BIOMOC

No abstract available. 
Authors
Hedeff I. Essaid, Barbara A. Bekins
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

Occurrence of cotton pesticides in surface water of the Mississippi Embayment

No abstract available.
Authors
E. Michael Thurman, Lisa R. Zimmerman, Elisabeth A. Scribner, Richard H. Coupe
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, Kansas Water Science Center

Herbicides in ground water of the Midwest: A regional study of shallow aquifers, 1991-94

The intensive herbicide use associated with the 'Corn Belt' marks the Midwestern United States as a region where herbicide contamination of ground water could be a problem. To better understand the regional occurrence of herbicides in shallow aquifers of the Midwest, a sampling network of 303 wells across 12 States was developed. The results documented relatively widespread, low-level concentratio
Authors
Dana W. Kolpin, J. K. Stamer, D. A. Goolsby, E. M. Thurman
By
Water Resources Mission Area, Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, Kansas Water Science Center, Central Midwest Water Science Center

Water-chemistry and on-site sulfur-speciation data for selected springs in Yellowstone National Park, Wyoming, 1994-1995

Forty-two water analyses are reported for samples collected at 8 hot springs and their overflow drainages, two geysers, and two ambient-temperature acid streams in Yellowstone National Park during 1994-95. These water samples were collected and analyzed as part of the initial research investigations on sulfur redox speciation in the hot springs of Yellowstone and to document chemical changes i
Authors
James W. Ball, D. Kirk Nordstrom, Kirk M. Cunningham, Martin A. Schoonen, Yong Xu, Jennifer M. DeMonge
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

Salinity and temperature in south San Francisco Bay, California, at Dumbarton Bridge: Measurements from the 1995-1998 water years and comparisons with results from the 1990-1993 water years

No abstract available.
Authors
Laurence E. Schemel
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

Design, operation, and data analysis for a wireline packer system in open boreholes, with field-test results from Belvidere, Illinois

A wireline-operated packer was designed for use with a standard geophysical logging system. The packer probe consists of a downhole packer inflated with water removed from the borehole by an in-line submersible pump, and a differential pressure transducer calibrated to measure the hydraulic-head difference between the zones above and below the packer. Analysis of the packer data is based on a nume
Authors
Frederick L. Paillet, A.E. Hess, John H. Williams
By
Water Resources Mission Area, Ecosystems Mission Area, Groundwater and Streamflow Information Program, Toxic Substances Hydrology, Environmental Health Program, New York Water Science Center

Sedimentation and bathymetric change in San Pablo Bay: 1856-1983

A long-term perspective of erosion and deposition in San Francisco Bay is vital to understanding and managing wetland change, harbor and channel siltation, and other sediment-related phenomena such as particle and particle-associated substance (pollutants, trace metals, etc.) transport and deposition. A quantitative comparison of historical hydrographic surveys provides this perspective. This repo

Authors
Bruce E. Jaffe, Richard E. Smith, Laura Zink Torresan
By
Ecosystems Mission Area, Environmental Health Program, Toxic Substances Hydrology, Pacific Coastal and Marine Science Center

Improving ground-water flow model calibration with the Advective-Transport Observation (ADV) Package to MODFLOWP

No abstract available.
Authors
Evan R. Anderman, M. C. Hill
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program