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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: 3787

Preliminary geologic and hydrologic evaluation of a small watershed near Plains, Georgia

No abstract available.
Authors
D.W. Hicks, James B. McConnell, Loris E. Asmussen
By
Water Resources Mission Area, Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, South Atlantic Water Science Center (SAWSC)

Distribution of selected herbicides and nitrate in the Mississippi River and its major tributaries, April through June 1991

No abstract available.
Authors
D. A. Goolsby, R.C. Coupe, D.J. Markovchick
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

U.S .Geological Survey toxic substance hydrology program: Proceedings of the technical meeting, Monterey, California, March 11-15, 1991

No abstract available. 
Authors
D. A. Aronson
By
Water Resources Mission Area, Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, Central Midwest Water Science Center, Kansas Water Science Center, Upper Midwest Environmental Sciences Center, Upper Midwest Water Science Center, Reston Biogeochemical Processes in Groundwater Laboratory

Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Riverton Reclamation Project, Wyoming, 1988-89

No abstract available.
Authors
D. A. Peterson, T. F. Harms, Pedro Ramirez, G.T. Allen, A.H. Christenson
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the middle Arkansas River basin, Colorado and Kansas, 1988-89

No abstract available.
Authors
D. K. Mueller, L.R. DeWeese, A.J. Garner, T. B. Spruill
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, Kansas Water Science Center

Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Gunnison and Uncompahgre River basins and at Sweitzer Lake, west-central Colorado, 1988-89

No abstract available.
Authors
D. L. Butler, R. P. Krueger, B. C. Osmundson, A. L. Thompson, S.K. McCall
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

Selected meteorological data for an arid site near Beatty, Nye County, Nevada, calendar year 1986

Selected meteorological data were collected at a study site adjacent to a low-level radioactive-waste burial facility near Beatty, Nevada, for calendar year 1986. Data were collected in support of an ongoing study to estimate the potential for downward movement of radionuclides into the unsaturated sediments beneath waste-burial trenches at the facility. The data include air temperature, relative
Authors
James L. Wood, Jeffrey M. Fischer
By
Water Resources Mission Area, Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, Nevada Water Science Center

Selected hydrologic data for the upper Arkansas River basin, Colorado, 1986-89

No abstract available.
Authors
Gregory A. Wetherbee, Briant A. Kimball, Wendy S. Maura
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

The neutral oil in commercial linear alkylbenzenesulfonate and its effect on organic solute solubility in water

No abstract available.
Authors
C. T. Chiou, D. E. Kile, D.W. Rutherford
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

Brine evolution and mineral deposition in hydrologically open evaporite basins

A lumped-parameter, solute mass-balance model is developed to define the role of water outflow from a well-mixed basin. A mass-balance model is analyzed with a geochemical model designed for waters with high ionic strengths. Two typical waters, seawater and a Na-HCO3 ground water, are analyzed to illustrate the control that the leakage ratio (or hydrologic openness of the basin) has on brine evolu
Authors
W. E. Sanford, W.W. Wood
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

Use of colloid filtration theory in modeling movement of bacteria through a contaminated sandy aquifer

\A filtration model commonly used to describe removal of colloids during packed-bed filtration in water treatment applications was modified for describing downgradient transport of bacteria in sandy, aquifer sediments. The modified model was applied to the results of a small-scale (7 m), natural-gradient tracer test and to observations of an indigenous bacterial population moving downgradient with
Authors
R.W. Harvey, S. P. Garabedian
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

Importance of closely spaced vertical sampling in delineating chemical and microbiological gradients in groundwater studies

Vertical gradients of selected chemical constituents, bacterial populations, bacterial activity and electron acceptors were investigated for an unconfined aquifer contaminated with nitrate and organic compounds on Cape Cod, Massachusetts, U.S.A. Fifteen-port multilevel sampling devices (MLS's) were installed within the contaminant plume at the source of the contamination, and at 250 and 2100 m dow
Authors
R. L. Smith, R.W. Harvey, D.R. LeBlanc
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program