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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: 968

Flowpath independent monitoring of reductive dechlorination potential in a fractured rock aquifer Flowpath independent monitoring of reductive dechlorination potential in a fractured rock aquifer

The flowpath dependent approaches that are typically employed to assess biodegradation of chloroethene contaminants in unconsolidated aquifers are problematic in fractured rock settings, due to difficulties defining discrete groundwater flowpaths in such systems. In this study, the variation in the potential for chloroethene biodegradation with depth was evaluated in a fractured rock...
Authors
P. M. Bradley, P.J. Lacombe, T.E. Imbrigiotta, F. H. Chapelle, D.J. Goode
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, New Jersey Water Science Center, Pennsylvania Water Science Center, South Atlantic Water Science Center (SAWSC)

Streamgaging in Pennsylvania: 1883-2009 Streamgaging in Pennsylvania: 1883-2009

The Commonwealth of Pennsylvania contains 83,602 miles of streams within its borders. These streams are natural resources that influence the lives and economy of Pennsylvania residents daily. The water resources are used on a daily basis for recreation, power generation, drinking water, agriculture, industry, and many other uses, emphasizing the importance of this valuable resource. The...
Authors
Randall R. Durlin
By
Water Resources Mission Area, Pennsylvania Water Science Center

Biochemical indicators for the bioavailability of organic carbon in ground water Biochemical indicators for the bioavailability of organic carbon in ground water

The bioavailability of total organic carbon (TOC) was examined in ground water from two hydrologically distinct aquifers using biochemical indicators widely employed in chemical oceanography. Concentrations of total hydrolyzable neutral sugars (THNS), total hydrolyzable amino acids (THAA), and carbon‐normalized percentages of TOC present as THNS and THAA (referred to as “yields”) were...
Authors
F. H. Chapelle, P. M. Bradley, D.J. Goode, C. Tiedeman, P.J. Lacombe, K. Kaiser, R. Benner
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, New Jersey Water Science Center, Pennsylvania Water Science Center, South Atlantic Water Science Center (SAWSC)

Characterization of rock samples and mineralogical controls on leachates Characterization of rock samples and mineralogical controls on leachates

Rocks associated with coal beds typically include shale, sandstone, and (or) limestone. In addition to common rock-forming minerals, all of these rock types may contain sulfide and sulfate minerals, various carbonate minerals, and organic material. These different minerals have inherently different solubility characteristics, as well as different acid-generating or acid-neutralizing...
Authors
Jane M. Hammarstrom, Charles A. Cravotta, Daniel G. Galeone, John C. Jackson, Frank T. Dulong
By
Geology, Energy & Minerals Science Center, Pennsylvania Water Science Center

Regression method for estimating long-term mean annual ground-water recharge rates from base flow in Pennsylvania Regression method for estimating long-term mean annual ground-water recharge rates from base flow in Pennsylvania

A method was developed for making estimates of long-term, mean annual ground-water recharge from streamflow data at 80 streamflow-gaging stations in Pennsylvania. The method relates mean annual base-flow yield derived from the streamflow data (as a proxy for recharge) to the climatic, geologic, hydrologic, and physiographic characteristics of the basins (basin characteristics) by use of...
Authors
Dennis W. Risser, Ronald E. Thompson, Marla H. Stuckey
By
Water Resources Mission Area, Pennsylvania Water Science Center

Geophysical Logs, Aquifer Tests, and Water Levels in Wells in and Near the North Penn Area 7 Superfund Site, Upper Gwynedd Township, Montgomery County, Pennsylvania, 2002-2006 Geophysical Logs, Aquifer Tests, and Water Levels in Wells in and Near the North Penn Area 7 Superfund Site, Upper Gwynedd Township, Montgomery County, Pennsylvania, 2002-2006

Ground water in the vicinity of several industrial facilities in Upper Gwynedd Township and Lansdale Borough, Montgomery County, Pa., is contaminated with several volatile organic compounds (VOCs). The 2-square-mile area was placed on the National Priorities List as the North Penn Area 7 Superfund Site by the U.S. Environmental Protection Agency (USEPA) in 1989. The U.S. Geological...
Authors
Lisa A. Senior, Randall W. Conger, Philip H. Bird
By
Water Resources Mission Area, Pennsylvania Water Science Center

Bathymetric Surveys of Lake Arthur and Raccoon Lake, Pennsylvania, June 2007 Bathymetric Surveys of Lake Arthur and Raccoon Lake, Pennsylvania, June 2007

In spring of 2007, bathymetric surveys of two Pennsylvania State Park lakes were performed to collect accurate data sets of lake-bed elevations and to develop methods and techniques to conduct similar surveys across the state. The lake-bed elevations and associated geographical position data can be merged with land-surface elevations acquired through Light Detection and Ranging (LIDAR)...
Authors
Clinton D. Hittle, A. Thomas Ruby
By
Water Resources Mission Area, Pennsylvania Water Science Center

Interpretation of Borehole Geophysical Logs at Area C, Former Naval Air Warfare Center, Warminster Township, Bucks County, Pennsylvania, 2007 Interpretation of Borehole Geophysical Logs at Area C, Former Naval Air Warfare Center, Warminster Township, Bucks County, Pennsylvania, 2007

This study was done by the U.S. Geological Survey in cooperation with the U.S. Navy at Area C of the former Naval Air Warfare Center in Warminster Township, Bucks County, Pa., in support of hydrogeological investigations conducted by the Navy to address ground-water contamination in the Stockton Formation. Borehole geophysical logs were collected, heatpulse-flowmeter measurements were...
Authors
Ronald A. Sloto
By
Water Resources Mission Area, Pennsylvania Water Science Center

Spatial Distribution of Ground-Water Recharge Estimated with a Water-Budget Method for the Jordan Creek Watershed, Lehigh County, Pennsylvania Spatial Distribution of Ground-Water Recharge Estimated with a Water-Budget Method for the Jordan Creek Watershed, Lehigh County, Pennsylvania

This report presents the results of a study by the U.S. Geological Survey, in cooperation with the Pennsylvania Geological Survey, to illustrate a water-budget method for mapping the spatial distribution of ground-water recharge for a 76-square-mile part of the Jordan Creek watershed, northwest of Allentown, in Lehigh County, Pennsylvania. Recharge was estimated by using the Hydrological
Authors
Dennis W. Risser
By
Water Resources Mission Area, Pennsylvania Water Science Center

Effects of Land-Use Changes and Ground-Water Withdrawals on Stream Base Flow, Pocono Creek Watershed, Monroe County, Pennsylvania Effects of Land-Use Changes and Ground-Water Withdrawals on Stream Base Flow, Pocono Creek Watershed, Monroe County, Pennsylvania

The Pocono Creek watershed drains 46.5 square miles in eastern Monroe County, Pa. Between 2000 and 2020, the population of Monroe County is expected to increase by 70 percent, which will result in substantial changes in land-use patterns. An evaluation of the effect of reduced recharge from land-use changes and additional ground-water withdrawals on stream base flow was done by the U.S...
Authors
Ronald A. Sloto
By
Water Resources Mission Area, Pennsylvania Water Science Center

Modeling to Predict Escherichia coli at Presque Isle Beach 2, City of Erie, Erie County, Pennsylvania Modeling to Predict Escherichia coli at Presque Isle Beach 2, City of Erie, Erie County, Pennsylvania

The Lake Erie beaches in Pennsylvania are a valuable recreational resource for Erie County. Concentrations of Escherichia coli (E. coli) at monitored beaches in Presque Isle State Park in Erie, Pa., occasionally exceed the single-sample bathing-water standard of 235 colonies per 100 milliliters resulting in potentially unsafe swimming conditions and prompting beach managers to post...
Authors
Tammy M. Zimmerman
By
Water Resources Mission Area, Pennsylvania Water Science Center

Development of the water-analysis screening tool used in the initial screening for the Pennsylvania State Water Plan update of 2008 Development of the water-analysis screening tool used in the initial screening for the Pennsylvania State Water Plan update of 2008

The Water Resources Planning Act, Act 220 of 2002, requires the Pennsylvania Department of Environmental Protection (PaDEP) to update the State Water Plan by 2008. As part of this update, a water-analysis screening tool (WAST) was developed by the U.S. Geological Survey, in cooperation with the PaDEP, to provide assistance to the state in the identification of critical water-planning...
Authors
Marla H. Stuckey
By
Water Resources Mission Area, Pennsylvania Water Science Center
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