Publications

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

National Award for Superior Communication Product

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

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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April 10, 2019

Spatial and Temporal Patterns of Best Management Practice Implementation in the Chesapeake Bay Watershed, 1985–2014 Spatial and Temporal Patterns of Best Management Practice Implementation in the Chesapeake Bay Watershed, 1985–2014

Efforts to restore water quality in Chesapeake Bay and its tributaries often include extensive Best Management Practice (BMP) implementation on agricultural and developed lands. These BMPs include a variety of methods to reduce nutrient and sediment loads, such as cover crops, conservation tillage, urban filtering systems, and other practices. Estimates of BMP implementation throughout...

Authors

Andrew J. Sekellick, Olivia H. Devereux, Jennifer L. D. Keisman, Jeffrey S. Sweeney, Joel D. Blomquist

Water Resources Mission Area, Chesapeake Bay Activities, Maryland-Delaware-D.C. Water Science Center, Pennsylvania Water Science Center

April 9, 2019

The complex spatial distribution of trichloroethene and the probability of NAPL occurrence in the rock matrix of a mudstone aquifer The complex spatial distribution of trichloroethene and the probability of NAPL occurrence in the rock matrix of a mudstone aquifer

Methanol extractions for chloroethene analyses are conducted on rock samples from seven closely spaced coreholes in a mudstone aquifer that was subject to releases of the nonaqueous phase liquid (NAPL) form of trichloroethene (TCE) between the 1950's and 1990's. Although TCE concentration in the rock matrix over the length of coreholes is dictated by proximity to subhorizontal bedding

Authors

Allen M. Shapiro, Daniel J. Goode, Thomas E. Imbrigiotta, Michelle M. Lorah, Claire R. Tiedeman

Water Resources Mission Area, Contaminant Biology, Environmental Health Program, Toxic Substances Hydrology, Maryland-Delaware-D.C. Water Science Center, New Jersey Water Science Center, Pennsylvania Water Science Center

March 7, 2019

Spatial distribution of nutrients, chloride, and suspended sediment concentrations and loads determined by using different sampling methods in a cross section of the Trenton Channel of the Detroit River, Michigan, November 2014–November 2015 Spatial distribution of nutrients, chloride, and suspended sediment concentrations and loads determined by using different sampling methods in a cross section of the Trenton Channel of the Detroit River, Michigan, November 2014–November 2015

The Detroit River separates the United States and Canada as it flows from Lake St. Clair to Lake Erie. The Trenton Channel is a 13-kilometer-long branch of the Detroit River that flows to the west of Grosse Ile before rejoining the Detroit River near its mouth, just before the Detroit River flows into Lake Erie. The U.S. Environmental Protection Agency has listed both the Trenton Channel...

Authors

Alexander R. Totten, Joseph W. Duris

Water Resources Mission Area, Pennsylvania Water Science Center, Upper Midwest Environmental Sciences Center, Upper Midwest Water Science Center

February 22, 2019

Estimation of base flow on ungaged, periodically measured streams in small watersheds in western Pennsylvania Estimation of base flow on ungaged, periodically measured streams in small watersheds in western Pennsylvania

A 2.5-year data collection program was undertaken by the U.S. Geological Survey, in cooperation with the Pennsylvania Department of Environmental Protection (PADEP), to quantify and estimate base flow in small watersheds in western Pennsylvania where only periodic streamflow measurements had been obtained. Twelve streamgages with watershed areas of less than 10 square miles were...

Authors

Elizabeth A. Hittle, Dennis W. Risser

Water Resources Mission Area, Pennsylvania Water Science Center

February 19, 2019

The mighty Susquehanna—extreme floods in Eastern North America during the past two millennia The mighty Susquehanna—extreme floods in Eastern North America during the past two millennia

The hazards posed by infrequent major floods to communities along the Susquehanna River and the ecological health of Chesapeake Bay remain largely unconstrained due to the short length of streamgage records. Here we develop a history of high‐flow events on the Susquehanna River during the late Holocene from flood deposits contained in MD99‐2209, a sediment core recovered in 26 m of water...

Authors

Michael Toomey, Meagan Cantwell, Steven Colman, Thomas M. Cronin, Jeffrey P. Donnelly, Liviu Giosan, Clifford Heil, Robert L. Korty, Marci E. Marot, Debra A. Willard

Ecosystems Land Change Science Program, Chesapeake Bay Activities, Florence Bascom Geoscience Center, Pennsylvania Water Science Center, Hurricanes

February 14, 2019

Factors affecting the occurrence of lead and manganese in untreated drinking water from Atlantic and Gulf Coastal Plain aquifers, eastern United States—Dissolved oxygen and pH framework for evaluating risk of elevated concentrations Factors affecting the occurrence of lead and manganese in untreated drinking water from Atlantic and Gulf Coastal Plain aquifers, eastern United States—Dissolved oxygen and pH framework for evaluating risk of elevated concentrations

Groundwater samples collected during 2012 and 2013 from public-supply wells screened in the Atlantic and Gulf Coastal Plain aquifers of the eastern and southeastern U.S. rarely contained lead or manganese concentrations that exceeded drinking-water limits, despite having corrosive characteristics. Data indicate that the occurrence of dissolved lead and manganese in sampled groundwater...

Authors

Craig J. Brown, Jeannie R. B. Barlow, Charles A. Cravotta, Bruce D. Lindsey

Water Resources Mission Area, New England Water Science Center, Pennsylvania Water Science Center

January 31, 2019

Sensitivity of streamflow simulation in the Delaware River Basin to forecasted land‐cover change for 2030 and 2060 Sensitivity of streamflow simulation in the Delaware River Basin to forecasted land‐cover change for 2030 and 2060

In order to simulate the potential effect of forecasted land‐cover change on streamflow and water availability, there has to be confidence that the hydrologic model used is sensitive to small changes in land cover (

Authors

Tanja N. Williamson, Peter R. Claggett

Ohio-Kentucky-Indiana Water Science Center, Pennsylvania Water Science Center

January 1, 2019

Development of regression equations for the estimation of flood flows at ungaged streams in Pennsylvania Development of regression equations for the estimation of flood flows at ungaged streams in Pennsylvania

Regression equations, which may be used to estimate flood flows at select annual exceedance probabilities, were developed for ungaged streams in Pennsylvania. The equations were developed using annual peak flow data through water year 2015 and basin characteristics for 285 streamflow gaging stations across Pennsylvania and surrounding states. The streamgages included active and...

Authors

Mark A. Roland, Marla H. Stuckey

Water Resources Mission Area, Pennsylvania Water Science Center

December 14, 2018

A preliminary assessment of hyperspectral remote sensing technology for mapping submerged aquatic vegetation in the Upper Delaware River National Parks A preliminary assessment of hyperspectral remote sensing technology for mapping submerged aquatic vegetation in the Upper Delaware River National Parks

Hyperspectral remote sensing of submerged aquatic vegetation is a complex and difficult process that is affected by unique constraints on the energy flow profile near and below the water surface. In addition, shallow, winding, lotic systems, such as the Upper Delaware River, present additional remote sensing problems in the form of specular reflectance, variable depth and constituents in...

Authors

E. Terrence Slonecker, Siddiq Kalaly, John A. Young, Mary Ann Furedi, Kelly O. Maloney, Don Hamilton, Richard Evans, Elizabeth Zinecker

Ecosystems Mission Area, Eastern Ecological Science Center, Pennsylvania Water Science Center

November 30, 2018

Radium accumulation in carbonate river sediments at oil and gas produced water discharges: Implications for beneficial use as disposal management Radium accumulation in carbonate river sediments at oil and gas produced water discharges: Implications for beneficial use as disposal management

In the western U.S., produced water from oil and gas wells discharged to surface water augments downstream supplies used for irrigation and livestock watering. Here we investigate six permitted discharges on three neighboring tributary systems in Wyoming. During 2013-16, we evaluated radium activities of the permitted discharges and the potential for radium accumulation in associated...

Authors

Bonnie McDevitt, Molly McLaughlin, Charles A. Cravotta, Moses A Ajemigbitse, Katherine J. Van Sice, Jens Blotevogel, Thomas Borch, Nathaniel R. Warner

Water Resources Mission Area, Pennsylvania Water Science Center

November 1, 2018

Radium attenuation and mobilization in stream sediments following oil and gas wastewater disposal in western Pennsylvania Radium attenuation and mobilization in stream sediments following oil and gas wastewater disposal in western Pennsylvania

Centralized waste treatment facilities (CWTs) in Pennsylvania discharged wastewater from conventional and unconventional oil and gas (O&G) wells into surface waters until 2011, when a voluntary request from the Pennsylvania Department of Environmental Protection (PA DEP) encouraged recycling rather than treating and discharging unconventional O&G wastewater. To determine the effect of...

Authors

Katherine Van Sice, Charles A. Cravotta, Bonnie McDevitt, Travis L. Tasker, Joshua D. Landis, Johnna Puhr, Nathaniel R. Warner

Water Resources Mission Area, Pennsylvania Water Science Center

October 2, 2018

Hydrologic characteristics and water quality of headwater streams and wetlands at the Allegheny Portage Railroad National Historic Site, Summit area, Blair and Cambria Counties, Pennsylvania, 2014–16 Hydrologic characteristics and water quality of headwater streams and wetlands at the Allegheny Portage Railroad National Historic Site, Summit area, Blair and Cambria Counties, Pennsylvania, 2014–16

The Allegheny Portage Railroad National Historic Site (ALPO) in Blair and Cambria Counties, Pennsylvania, protects historic features of the first railroad portage over the Allegheny Front and the first railroad tunnel in the United States. This report, which was completed by the U.S. Geological Survey in cooperation with the National Park Service, summarizes water resources in the...

Authors

Charles A. Cravotta, Daniel G. Galeone, Kathy A. Penrod

Water Resources Mission Area, Pennsylvania Water Science Center