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Vol. 14, No. 1 – 2017
USGS scientist lifting a sample bottle from ice hole

Understanding Pathways of Unconventional Oil and Gas Produced Water Spills in the Environment

A new study measures the transport of chemicals associated with unconventional oil and gas (UOG) produced waters downstream from a pipeline leak in North Dakota. This work is part of a long-term study designed to understand chemical persistence in sediments and water and how those factors might be related to contaminant exposures and associated with adverse health effects, if any, on organisms. ...

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Freshwater snail -- Lymnaea stagnalis

Study Reveals Processes that Control Uranium Bioavailability in a Freshwater Snail—Relevance to Aquatic Biota in the Grand Canyon Area

Scientists refined an existing speciation model to identify key biogeochemical processes controlling dissolved uranium bioavailability to a freshwater snail. This information is important to advance current understanding and prediction of the ecological risk posed by uranium mining to freshwater ecosystems, including federally managed lands such as in the Grand Canyon area. ...

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An algal bloom on a Lake Erie beach

USGS Study Identifies Factors Related to Cyanobacterial Harmful Algal Blooms

USGS scientists identified water-quality and environmental factors related to cyanobacterial harmful algal blooms at beaches in Ohio. This information was collected as part of a long-term plan to develop site-specific predictive models for microcystin concentrations. ...

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USGS analyst performs DNA extractions in a laboratory

Swine Manure Application as a Source of Hepatitis E Virus and other Livestock-Related Pathogens

The presence of indicator bacteria, hepatitis E virus (HEV), and numerous bacterial pathogen genes increased following precipitation-induced runoff events in streams draining adjacent land surfaces in Iowa where swine manure was recently applied. ...

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M/V Selendang Ayu aground and broken in two on the shore of Unalaska Island

Damage Assessment and Restoration Tracking System (DARTS)—A new tool to support the Department of Interior's Natural Resource Damage Assessment and Restoration Program

A new, web-based interactive tool has been developed to increase access to the Department of Interior (DOI) Natural Resource Damage Assessment and Restoration (NRDAR) Program information. ...

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Before and after photos of Fourmile Creek near Ankeny, Iowa

Recovery of Stream and Adjacent Groundwater After Wastewater Treatment Facility Closure

The hydrology and chemistry of a wastewater-impacted stream and adjacent groundwater responded rapidly (had fewer chemicals at lower concentrations) following wastewater treatment facility shutdown. However, the adjacent shallow groundwater remained a continuing source of some wastewater-derived contaminants to the stream at least 1 year post-shutdown. ...

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View of corn fields and USGS rain gage

New Study Measures Crop Bactericide, Nitrapyrin, in Iowa Streams

First-ever reconnaissance study documents the off-field transport of nitrapyrin — a nitrification inhibitor applied with fertilizers as a bactericide to kill natural soil bacteria for the purpose of increasing crop yields — to adjacent streams. This study is the first step in understanding the transport, occurrence, and potential effects of nitrapyrin or similar compounds on nitrogen processing in aquatic systems. ...

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Body surface tumor diagnosed as a squamous cell carcinoma on a white sucker fish

Is White Sucker Tumor Prevalence in some Wisconsin Rivers Related to Environmental Contaminant Exposures or Other Factors?

The incidence of particular skin and liver tumors on white suckers collected from some Wisconsin rivers corresponded to the degree of urban development within the watershed. ...

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Four photos depecting effects of exposure of fathead minnows to gestodene

Human Contraceptive Gestodene Affects Fish Reproductive Behavior

Short-term laboratory exposure of adult fathead minnows to the human contraceptive progestin, gestodene (GES), at environmentally relevant concentrations induced rapid and negative effects on reproductive health and suggests that wild fish may be similarly affected. ...

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Game camera image of an osprey taken on Poplar Island, Maryland

Organic Contaminant Levels and the Reproductive Success of Ospreys in Chesapeake Bay

Changes in the regulation and use of some organic chemicals have caused environmental concentrations to stabilize or decline during the past 35 years coincident with a rebound in the osprey (Pandion haliaetus) population of the Chesapeake Bay. ...

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tree swallow - Tachycineta bicolor

Low Levels of Contaminants Found in Great Lakes Tree Swallow Eggs

Tree swallow eggs at most study sites in the Great Lakes basin were minimally exposed to legacy organic contaminants and brominated flame retardants. ...

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A map of bladder cancer mortality rates among white men and women

Elevated Bladder Cancer in Northern New England—Drinking Water and Arsenic

Study finds bladder cancer risk was associated with water intake among participants with a history of private domestic well use. The trend was significant for participants who used shallow dug wells exclusively—a well type that typically has low arsenic concentrations but may have had higher concentrations historically. ...

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Map of the prevalence of potentially corrosive groundwater for the United States

New Study Shows High Potential for Groundwater to be Corrosive in One-Half of U.S. States

A recent USGS assessment of more than 20,000 wells nationwide indicates that groundwater in 25 States and the District of Columbia has a high potential for being naturally corrosive. The States with the largest percentage of wells with potentially corrosive groundwater are located primarily in the Northeast, the Southeast, and the Northwest. ...

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creen shot - USGS mapping tool - Decadal-scale changes in groundwater chemistry across the Nation

USGS Online Mapper Provides a Decadal Look at Groundwater Quality

A new online interactive mapping tool provides summaries of decadal-scale changes in groundwater chemistry across the Nation. ...

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Michael J. Focazio, Editor
Kathy E. Lee, Managing Editor
Timothy J. Reilly, Managing Editor
David W. Morganwalp, Coordinating Editor
Stephanee R. Walker, Copy Editor

2/21/2017

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