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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June 1, 2002

Use of stable isotopes of carbon, nitrogen, and sulfur to identify sources of nitrogen in surface waters in the Lower Susquehanna River Basin, Pennsylvania Use of stable isotopes of carbon, nitrogen, and sulfur to identify sources of nitrogen in surface waters in the Lower Susquehanna River Basin, Pennsylvania

Samples of nitrogen-source material, soil, and water were collected from several small, primarily single-source subbasins in the Lower Susquehanna River Basin during 1988–90 to determine the feasibility of using measurements of stable isotope ratios of carbon (13C), nitrogen (15N), and sulfur (34S) to identify sources of nitrogen (N) in stream water. Chemical and isotopic compositions...

Authors

Charles A. Cravotta

Water Resources Mission Area, Pennsylvania Water Science Center

May 1, 2002

Evaluation of borehole geophysical logging, aquifer-isolation tests, distribution of contaminants, and water-level measurements at the North Penn Area 5 Superfund Site, Bucks and Montgomery Counties, Pennsylvania Evaluation of borehole geophysical logging, aquifer-isolation tests, distribution of contaminants, and water-level measurements at the North Penn Area 5 Superfund Site, Bucks and Montgomery Counties, Pennsylvania

Borehole geophysical logging and aquifer-isolation (packer) tests were conducted at the North Penn Area 5 Superfund site in Bucks and Montgomery Counties, Pa. Caliper, naturalgamma, single-point-resistance, fluid-temperature, fluid-resistivity, heatpulse-flowmeter, and digital acoustic-televiewer logs and borehole television surveys were collected in 32 new and previously drilled wells...

Authors

Philip H. Bird, Randall W. Conger

Water Resources Mission Area, Pennsylvania Water Science Center

May 1, 2002

Occurrence of bacteria in Blue Marsh Lake and selected tributaries, Berks County, Pennsylvania: September-October 2001 Occurrence of bacteria in Blue Marsh Lake and selected tributaries, Berks County, Pennsylvania: September-October 2001

The Commonwealth of Pennsylvania has water-quality standards that limit the number of specific bacteria in water that is considered safe for recreational use. Bacteria such as fecal streptococci, fecal coliforms, and Escherichia coli (E. coli) are used to assess recreational water quality because they usually live in the intestines of warm-blooded animals. Fecal indicator bacteria...

Authors

Michele L. Zimmerman

Water Resources Mission Area, Pennsylvania Water Science Center

April 1, 2002

Microbiological quality of water from noncommunity supply wells in carbonate and crystalline aquifers of Pennsylvania Microbiological quality of water from noncommunity supply wells in carbonate and crystalline aquifers of Pennsylvania

Samples were collected from 59 noncommunity water supplies in the Commonwealth of Pennsylvania from September 2000 to January 2001 and analyzed for pathogens and microbiological indicator organisms. The pathogens sampled were culturable viruses and Helicobacter pylori (H. pylori). The indicator organisms sampled were total coliform, Escherichia coli (E. coli), Clostridium perfringens (C

Authors

Bruce D. Lindsey, Jennifer S. Rasberry, Tammy M. Zimmerman

Water Resources Mission Area, Pennsylvania Water Science Center

March 1, 2002

Interpretation of borehole geophysical logs, aquifer-isolation tests, and water quality, supply wells 1 and 2, Willow Grove Naval Air Station/Joint Reserve Base, Horsham Township, Montgomery County, Pennsylvania Interpretation of borehole geophysical logs, aquifer-isolation tests, and water quality, supply wells 1 and 2, Willow Grove Naval Air Station/Joint Reserve Base, Horsham Township, Montgomery County, Pennsylvania

Ground water pumped from supply wells 1 and 2 on the Willow Grove Naval Air Station/Joint Reserve Base (NAS/JRB) provides water for use at the base, including potable water for drinking. The supply wells have been contaminated by volatile organic compounds (VOC's), particularly trichloroethylene (TCE) and tetrachloroethylene (PCE), and the water is treated to remove the VOC's. The Willow...

Authors

Ronald A. Sloto, Daniel J. Goode, Steven M. Frasch

Water Resources Mission Area, Pennsylvania Water Science Center

March 1, 2002

Hydrogeological investigation at Site 5, Willow Grove Naval Air Station/Joint Reserve Base, Horsham Township, Montgomery County, Pennsylvania Hydrogeological investigation at Site 5, Willow Grove Naval Air Station/Joint Reserve Base, Horsham Township, Montgomery County, Pennsylvania

The U.S. Geological Survey conducted borehole geophysical logging, collected and analyzed water-level data, and sampled sections of a rock core to determine the concentration of volatile organic compounds in the aquifer matrix of the Stockton Formation. Borehole geophysical logs were run in three monitor wells. At well 05MW04I, the vertical gradient was upward at depths above 42 feet...

Authors

Ronald A. Sloto

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 2002

Assessment of stream quality using biological indices at selected sites in the Red Clay and White Clay Creek basins, Chester County, Pennsylvania, 1981-97 Assessment of stream quality using biological indices at selected sites in the Red Clay and White Clay Creek basins, Chester County, Pennsylvania, 1981-97

In 1970, the Chester County Water Resources Authority (Pennsylvania) and the U.S. Geological Survey (USGS) established a long-term water-quality network with the goal of assessing the quality of streams in the county and understanding stream changes in response to urbanization using benthic-macroinvertebrate data. This database represents one of the longest continuous water-quality data...

Authors

Andrew G. Reif

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 2002

Assessment of stream quality using biological indices at selected sites in the Delaware River basin, Chester County, Pennsylvania, 1981-97 Assessment of stream quality using biological indices at selected sites in the Delaware River basin, Chester County, Pennsylvania, 1981-97

Authors

Andrew G. Reif

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 2002

Assessment of stream quality using biological indices at selected sites in the Big Elk and Octoraro Creek basins, Chester County, Pennsylvania, 1981-97 Assessment of stream quality using biological indices at selected sites in the Big Elk and Octoraro Creek basins, Chester County, Pennsylvania, 1981-97

Authors

Andrew G. Reif

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 2002

Assessment of stream quality using biological indices at selected sites in the Schuylkill River basin, Chester County, Pennsylvania, 1981-97 Assessment of stream quality using biological indices at selected sites in the Schuylkill River basin, Chester County, Pennsylvania, 1981-97

Authors

Andrew G. Reif

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 2002

Water Resources Data, Pennsylvania, Water Year 2001. Volume 1. Delaware River Basin Water Resources Data, Pennsylvania, Water Year 2001. Volume 1. Delaware River Basin

Authors

R.R. Durlin, W.P. Schaffstall

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 2002

Assessment of stream conditions and trends in biological and water-chemistry data from selected streams in Chester County, Pennsylvania, 1981-97 Assessment of stream conditions and trends in biological and water-chemistry data from selected streams in Chester County, Pennsylvania, 1981-97

Biological, chemical, and physical data were collected from a network of 43 sites in Chester County, Pa., from 1981 to 1997. The goal of the network is to assess stream conditions and determine trends in benthic-macroinvertebrate and water-chemistry data. Most sites in the network were assessed as nonimpacted or slightly impacted on the basis of biological metric analysis of benthic

Authors

Andrew G. Reif

Water Resources Mission Area, Pennsylvania Water Science Center