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Publications

Nitrogen in the Chesapeake Bay Watershed - A Century of Change, 1950–2050

National Award for Superior Communication Product

News Event

Domestic Well Water Quality in Marcellus Shale Region

Factors Affecting Groundwater Quality Used for Domestic Supply in Marcellus Shale Region of North-Central and North-East Pennsylvania

Journal Article

Geohydrologic and water-quality characterization of a fractured-bedrock test hole in an area of Marcellus Shale gas development, Sullivan County, Pennsylvania

Report at Pennsylvania Geological Survey

Publications are the cornerstone of the Pennsylvania Water Science Center’s dissemination of scientific data and conclusions. 

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Filter Total Items: 939

A benthic-macroinvertebrate index of biotic integrity and assessment of conditions in selected streams in Chester County, Pennsylvania, 1998-2009

The Stream Conditions of Chester County Biological Monitoring Network (Network) was established by the U.S. Geological Survey and the Chester County Water Resources Authority in 1969. Chester County encompasses 760 square miles in southeastern Pennsylvania and has a rapidly expanding population. Land-use change has occurred in response to this continual growth, as open space, agricultural lands, a
Authors
Andrew G. Reif
By
Water Resources Mission Area, Pennsylvania Water Science Center

Groundwater quality and simulation of sources of water to wells in the Marsh Creek valley at the U.S. Geological Survey Northern Appalachian Research Laboratory, Tioga County, Pennsylvania

This report provides a November 2010 snapshot of groundwater quality and an analysis of the sources of water to wells at the U.S. Geological Survey (USGS) Northern Appalachian Research Laboratory (NARL) near Wellsboro, Pennsylvania. The laboratory, which conducts fisheries research, currently (2011) withdraws 1,000 gallons per minute of high-quality groundwater from three wells completed in the gl
Authors
Dennis W. Risser, Kevin J. Breen
By
Water Resources Mission Area, Pennsylvania Water Science Center

Occurrence of pharmaceuticals, hormones, and organic wastewater compounds in Pennsylvania waters, 2006-09

Concern over the presence of contaminants of emerging concern, such as pharmaceutical compounds, hormones, and organic wastewater compounds (OWCs), in waters of the United States and elsewhere is growing. Laboratory techniques developed within the last decade or new techniques currently under development within the U.S. Geological Survey now allow these compounds to be measured at concentrations i
Authors
Andrew G. Reif, J. Kent Crawford, Connie A. Loper, Arianne Proctor, Rhonda Manning, Robert Titler
By
Water Resources Mission Area, Chesapeake Bay Activities, Pennsylvania Water Science Center

Evaluating changes in matrix based, recovery-adjusted concentrations in paired data for pesticides in groundwater

Pesticide concentration data for waters from selected carbonate-rock aquifers in agricultural areas of Pennsylvania were collected in 1993–2009 for occurrence and distribution assessments. A set of 30 wells was visited once in 1993–1995 and again in 2008–2009 to assess concentration changes. The data include censored matched pairs (nondetections of a compound in one or both samples of a pair). A p
Authors
Tammy M. Zimmerman, Kevin J. Breen
By
Water Resources Mission Area, Pennsylvania Water Science Center

Nutrient and suspended-sediment trends, loads, and yields and development of an indicator of streamwater quality at nontidal sites in the Chesapeake Bay watershed, 1985-2010

The U.S. Geological Survey (USGS) updates information on loads of, and trends in, nutrients and sediment annually to help the Chesapeake Bay Program (CBP) investigators assess progress toward improving water-quality conditions in the Chesapeake Bay and its watershed. CBP scientists and managers have worked since 1983 to improve water quality in the bay. In 2010, the U.S. Environmental Protection A
Authors
Michael Langland, Joel Blomquist, Douglas Moyer, Kenneth Hyer
By
Water Resources Mission Area, Pennsylvania Water Science Center, Chesapeake Bay Activities

Methods for evaluating temporal groundwater quality data and results of decadal-scale changes in chloride, dissolved solids, and nitrate concentrations in groundwater in the United States, 1988-2010

Decadal-scale changes in groundwater quality were evaluated by the U.S. Geological Survey National Water-Quality Assessment (NAWQA) Program. Samples of groundwater collected from wells during 1988-2000 - a first sampling event representing the decade ending the 20th century - were compared on a pair-wise basis to samples from the same wells collected during 2001-2010 - a second sampling event repr
Authors
Bruce D. Lindsey, Michael G. Rupert
By
Water Resources Mission Area, Colorado Water Science Center, Pennsylvania Water Science Center

Enhanced dichloroethene biodegradation in fractured rock under biostimulated and bioaugmented conditions

Significant microbial reductive dechlorination of [1,2 14C] cis-dichloroethene (DCE) was observed in anoxic microcosms prepared with unamended, fractured rock aquifer materials, which were colonized in situ at multiple depths in two boreholes at the Naval Air Warfare Center (NAWC) in West Trenton, New Jersey. The lack of significant reductive dechlorination in corresponding water-only treatments i
Authors
Paul M. Bradley, Celeste A. Journey, Julie D. Kirshtein, Mary A. Voytek, Pierre J. Lacombe, Thomas E. Imbrigiotta, Francis H. Chapelle, Claire R. Tiedeman, Daniel J. Goode
By
Water Resources Mission Area, New Jersey Water Science Center, Pennsylvania Water Science Center, South Atlantic Water Science Center (SAWSC)

Streamflow and water-quality monitoring in response to young-of-year smallmouth bass (micropterus dolomieu) mortality in the Susquehanna River and major tributaries, with comparisons to the Delaware and Allegheny Rivers, Pennsylvania, 2008-10

Since 2005, spring hatched young-of-year (YOY) smallmouth bass in Pennsylvania reaches of the Susquehanna River have experienced above-normal mortality when summertime streamflows are near or lower than normal. Stress factors include, but are not limited to, low dissolved oxygen and elevated water temperatures during times critical for survival and development (critical period is May 1 through Jul
Authors
Jeffrey J. Chaplin, J. Kent Crawford
By
Water Resources Mission Area, Pennsylvania Water Science Center

Characterization of major-ion chemistry and nutrients in headwater streams along the Appalachian National Scenic Trail and within adjacent watersheds, Maine to Georgia

An inventory of water-quality data on field parameters, major ions, and nutrients provided a summary of water quality in headwater (first- and second-order) streams within watersheds along the Appalachian National Scenic Trail (Appalachian Trail). Data from 1,817 sampling sites in 831 catchments were used for the water-quality summary. Catchment delineations from NHDPlus were used as the fundament
Authors
Denise M. Argue, Jason P. Pope, Fred Dieffenbach
By
Water Resources Mission Area, New England Water Science Center, Pennsylvania Water Science Center, South Atlantic Water Science Center (SAWSC)

Quality of major ion and total dissolved solids data from groundwater sampled by the National Water-Quality Assessment Program, 1992–2010

Proper interpretation of water quality requires consideration of the effects that contamination bias and sampling variability might have on measured analyte concentrations. The effect of contamination bias and sampling variability on major ion and total dissolved solids data in water samples collected in 48 of the 52 National Water-Quality Assessment Program study units from 1992–2010 is discussed
Authors
Eliza L. Gross, Bruce D. Lindsey, Michael G. Rupert
By
Water Resources Mission Area, Pennsylvania Water Science Center

Mineralogy and environmental geochemistry of historical iron slag, Hopewell Furnace National Historic Site, Pennsylvania, USA

The Hopewell Furnace National Historic Site in southeastern Pennsylvania, which features an Fe smelter that was operational in the 18th and 19th centuries, is dominated by three slag piles. Pile 1 slag, from the Hopewell Furnace, and pile 2 slag, likely from the nearby Cornwall Furnace, were both produced in cold-blast charcoal-fired smelters. In contrast, pile 3 slag was produced in an anthracite
Authors
Nadine M. Piatak, Robert R. Seal
By
Geology, Energy & Minerals Science Center, Pennsylvania Water Science Center

Advancing electrical geophysical characterization of DNAPL-contaminated fractured rock aquifers

No abstract available.
Authors
Judith Robinson, Timothy Johnosn, Lee Slater, Dimitrios Ntarlagiannis, Pierre Lacombe, Frederick D. Day-Lewis, John W. Lane, Carole D. Johnson, Allen M. Shapiro, Claire R. Tiedeman, Daniel J. Goode
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, New Jersey Water Science Center, Pennsylvania Water Science Center