Toxic Substances Hydrology Program

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GeoHEALTH-USGS Newsletter

GeoHEALTH-USGS Newsletter

The GeoHEALTH-USGS Newsletter provides information on new USGS science activities related to safeguarding the health of fish, wildlife, domesticated animals, livestock, and people from environmental exposures to contaminants and pathogens.

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Featured Science Activities

Featured Science Activities

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

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Filter Total Items: 2,650
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Year Published: 2019

Mercury source changes and food web shifts alter contamination signatures of predatory fish from Lake Michigan

To understand the impact reduced mercury (Hg) loading and invasive species have had on methylmercury bioaccumulation in predator fish of Lake Michigan, we reconstructed bioaccumulation trends from a fish archive (1978 to 2012). By measuring fish Hg stable isotope ratios, we related temporal changes in Hg concentrations to varying Hg sources....

Lepak, Ryan F.; Hoffman, Joel C.; Janssen, Sarah E.; Krabbenhoft, David P.; Ogorek, Jacob M.; DeWild, John F.; Tate, Michael T.; Babiarz, Christopher L.; Yin, Runsheng; Murphy, Elizabeth W; Engstrom, Daniel R; Hurley, James P.

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Year Published: 2019

Urban stormwater: An overlooked pathway of extensive mixed contaminants to surface and groundwaters in the United States

Increasing global reliance on stormwater control measures to reduce discharge to surface water, increase groundwater recharge, and minimize contaminant delivery to receiving waterbodies necessitates improved understanding of stormwater-contaminant profiles. A multi-agency study of organic and inorganic chemicals in urban stormwater from 50 runoff...

Masoner, Jason R.; Kolpin, Dana W.; Bradley, Paul M.

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Year Published: 2019

Chemical and physical controls on mercury source signatures in stream fish from the northeastern United States

Streams in the northeastern U.S. receive mercury (Hg) in varying proportions from atmospheric deposition and legacy point sources, making it difficult to attribute shifts in fish concentrations directly back to changes in Hg source management. Mercury stable isotope tracers were utilized to relate sources of Hg to co-located fish and bed sediments...

Janssen, Sarah E.; Riva-Murray, Karen; DeWild, John F.; Ogorek, Jacob M.; Tate, Michael T.; Van Metre, Peter C.; Krabbenhoft, David P.; Coles, James F.
Janssen SE, Riva-Murray K, DeWild JF, Ogorek JM, Tate MT, Van Metre PC, et al. Chemical and Physical Controls on Mercury Source Signatures in Stream Fish from the Northeastern United States. Environmental Science & Technology 2019.

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Year Published: 2019

De facto reuse and disinfection by-products in drinking water systems in the Shenandoah River watershed

De facto reuse is increasingly being studied among the variety of stressors that are relevant to drinking water systems that obtain their source water from surface waters. De facto reuse may influence the levels and types of precursors relevant to formation of disinfection by-products (DBPs) in surface water systems. DBPs such as...

Weisman, Richard J; Barber, Larry; Rapp, Jennifer; Ferreira, Celso M

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Year Published: 2019

Lithostratigraphic, geophysical, and hydrogeologic observations from a boring drilled to bedrock in glacial sediments near Nantucket Sound in East Falmouth, Massachusetts

In spring 2016, a 310-foot-deep boring (named MA–FSW 750) was drilled by the U.S. Geological Survey near Nantucket Sound in East Falmouth, Massachusetts, to investigate the hydrogeology of the southern coast of western Cape Cod. Few borings that are drilled to bedrock exist in the area, and the study area was selected to fill a gap between...

Hull, Robert B.; Johnson, Carole D.; Stone, Byron D.; LeBlanc, Denis R.; McCobb, Timothy D.; Phillips, Stephanie N.; Pappas , Katherine L. ; Lane, Jr., John W.
Hull, R.B, Johnson, C.D., Stone, B.D., LeBlanc, D.R., McCobb, T.D., Phillips, S.N., Pappas, K.L., and Lane, J.W., 2019, Lithostratigraphic, geophysical, and hydrogeologic observations from a boring drilled to bedrock in glacial sediments near Nantucket sound in East Falmouth, Massachusetts: U.S. Geological Survey Scientific Investigations Report 2019–5042, 27 p., https://doi.org/10.3133/sir20195042.

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Year Published: 2019

Predictive analysis using chemical-gene interaction networks consistent with observed endocrine activity and mutagenicity of U.S. streams

In a recent U.S. Geological Survey/U.S. Environmental Protection Agency study assessing >700 organic compounds in 38 streams, in vitro assays indicated generally low estrogen, androgen, and glucocorticoid receptor activities, but identified 13 surface waters with 17β estradiol equivalent (E2Eq) activities greater than the 1 ng/L level of...

Berninger, Jason P.; DeMarini, David M.; Warren, Sarah H.; Simmons, Jane Ellen; Wilson, Vickie S.; Conley, Justin M.; Armstrong, Mikayla D.; Kolpin, Dana W.; Kuivila, Kathryn; Reilly, Timothy J.; Romanok, Kristin M.; Villeneuve, Daniel L.; Bradley, Paul M.; Iwanowicz, Luke R.
Berninger, J.P., D.M. DeMarini, S.H. Warren, J.E. Simmons, V.S. Wilson, J.M. Conley, M.S. Armstrong, L.R. Iwanowicz, D.W. Kolpin, K.M. Kuivila, T.J. Reilly, K.M. Romanok, D.A. Villeneuve, and P.M. Bradley. 2019. Predictive analysis using chemical-gene interaction networks consistent with observed endocrine activity and mutagenicity of U.S. streams. Environmental Science and Technology. http://dx.doi.org/10.1021/acs.est.9b02990

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Year Published: 2019

The presence of antibiotic resistance genes in coastal soil and sediment samples from the eastern seaboard of the USA

Infections from antibiotic resistant microorganisms are considered to be one of the greatest global public health challenges that result in huge annual economic losses. While genes that impart resistance to antibiotics (AbR) existed long before the discovery and use of antibiotics, anthropogenic uses of antibiotics in agriculture, domesticated...

Griffin, Dale W.; Benzel, William M.; Fisher, Shawn C.; Focazio, Michael J.; Iwanowicz, Luke R.; Loftin, Keith A.; Reilly, Timothy J.; Jones, Daniel K.

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Year Published: 2019

Geochemical factors controlling dissolved elemental mercury and methylmercury formation in Alaskan wetlands of varying trophic status

Transformations of aqueous inorganic divalent mercury (Hg(II)i) to volatile dissolved gaseous mercury (Hg(0)(aq)) and toxic methylmercury (MeHg) governs mercury bioavailability and fate in northern ecosystems. This study quantified concentrations of aqueous mercury species (Hg(II)i, Hg(0)(aq), MeHg) and relevant geochemical constituents in pore...

Poulin, Brett; Ryan, Joseph N.; Tate, Michael; Krabbenhoft, David; Hines, Mark E; Barkay, Tamar; Schaefer, Jeffra; Aiken, George R.

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Year Published: 2019

Tracking legacy mercury in the Hackensack River Estuary using mercury stable isotopes

Spatial redistribution of legacy mercury (Hg) contamination in the Hackensack River estuary (New Jersey, USA) was evaluated using mercury stable isotopes. Total Hg varied from 0.06 to 3.8 µg g-1 in sediment from the tidal Hackensack River and from 15 to 154 µg g-1 near historically contaminated sites in upper Berry's Creek, a tributary of the...

Reinfelder, John R; Janssen, Sarah E.

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Year Published: 2019

Demonstrating the value of Earth observations—methods, practical applications, and solutions—group on Earth observations side event proceedings

Executive SummaryThe U.S. Geological Survey, the National Oceanic and Atmospheric Administration, the European Association for Remote Sensing Companies, and the European Space Agency in coordination with the GEOValue Community hosted a side event to the Group on Earth Observations Plenary on October 23–24, 2017, in Washington, D.C. The workshop,...

Pearlman, Francoise; Lawrence, Collin B.; Pindilli, Emily J.; Geppi, Denna; Shapiro, Carl D.; Grasso, Monica; Pearlman, Jay; Adkins, Jeffery; Sawyer, Geoff; Tassa, Alessandra
Pearlman, F., Lawrence, C.B., Pindilli, E.J., Geppi, D., Shapiro, C.D., Grasso, M., Pearlman, J., Adkins, J., Sawyer, G., and Tassa, A., 2019, Demonstrating the value of Earth observations—Methods, practical applications, and solutions—Group on Earth Observations side event proceedings: U.S. Geological Survey Open-File Report 2019–1033, 33 p., https://doi.org/10.3133/ofr20191033.

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Year Published: 2019

Use of high-throughput screening results to prioritize chemicals for potential adverse biological effects within a West Virginia Watershed

Organic chemicals from industrial, agricultural, and residential activities can enter surface waters through regulated and unregulated discharges, combined sewer overflows, stormwater runoff, accidental spills, and leaking septic-conveyance systems on a daily basis. The impact of point and nonpoint contaminant sources can result in adverse...

Rose, Levi D.; Akob, Denise; Tuberty, Shea; Colby, Jeff; Martin, Derek; Corsi, Steven; DeCicco, Laura

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Year Published: 2019

Residence time controls on the fate of nitrogen in flow‐through lakebed sediments

For many glacial lakes with highly permeable sediments, water exchange rates control hydrologic residence times within the sediment‐water interface (SWI) and the removal of reactive compounds such as nitrate, a common pollutant in lakes and groundwater. Here we conducted a series of focused tracer injection experiments in the upper 20 cm of...

Hampton, Tyler B.; Zarentske, Jay P.; Briggs, Martin A.; Singha, Kamini; Harvey, Judson W.; Day-Lewis, Frederick D.; Dehkordy, Farzaneh MahmoodPoor; Lane, John W.