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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January 1, 1996

U. S. Geological Survey programs in Pennsylvania U. S. Geological Survey programs in Pennsylvania

The U.S. Geological Survey (USGS) is involved in mapping and studying land, mineral, biological, and water resources and determining the risk from earthquakes and other natural hazards, which are of importance to the citizens of Pennsylvania. This Fact Sheet describes how the USGS is addressing some of the major environmental issues in Pennsylvania, which include availability of mineral...

Authors

Water Resources Division U.S. Geological Survey

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1996

Ground-water quality and its relation to hydrogeology, land use, and surface-water quality in the Red Clay Creek basin, Piedmont Physiographic Province, Pennsylvania and Delaware Ground-water quality and its relation to hydrogeology, land use, and surface-water quality in the Red Clay Creek basin, Piedmont Physiographic Province, Pennsylvania and Delaware

The Red Clay Creek Basin in the Piedmont Physiographic Province of Pennsylvania and Delaware is a 54-square-mile area underlain by a structurally complex assemblage of fractured metamorphosed sedimentary and igneous rocks that form a water-table aquifer. Ground-water-flow systems generally are local, and ground water discharges to streams. Both ground water and surface water in the basin...

Authors

Lisa A. Senior

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1996

Hydrogeology of, and simulation of ground-water flow in, a mantled carbonate-rock system, Cumberland Valley, Pennsylvania Hydrogeology of, and simulation of ground-water flow in, a mantled carbonate-rock system, Cumberland Valley, Pennsylvania

The U.S. Geological Survey conducted a study in a highly productive and complex regolith-mantled carbonate valley in the northeastern part of the Cumberland Valley, Pa., as part of its Appalachian Valleys and Piedmont Regional Aquifer-system Analysis program. The study was designed to quantify the hydrogeologic characteristics and understand the ground-water flow system of a highly...

Authors

D. C. Chichester

Water Resources Mission Area, Chesapeake Bay Activities, Pennsylvania Water Science Center

January 1, 1996

A three-dimensional method-of-characteristics solute-transport model (MOC3D) A three-dimensional method-of-characteristics solute-transport model (MOC3D)

This report presents a model, MOC3D, that simulates three-dimensional solute transport in flowing ground water. The model computes changes in concentration of a single dissolved chemical constituent over time that are caused by advective transport, hydrodynamic dispersion (including both mechanical dispersion and diffusion), mixing (or dilution) from fluid sources, and mathematically...

Authors

Leonard F. Konikow, D.J. Goode, G.Z. Hornberger

Water Resources Mission Area, Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, Pennsylvania Water Science Center

January 1, 1996

Maps of difference between ground-water contributions to base flow for the various recurrence intervals and ground-water withdrawals in the Neshaminy Creek basin, Pennsylvania Maps of difference between ground-water contributions to base flow for the various recurrence intervals and ground-water withdrawals in the Neshaminy Creek basin, Pennsylvania

No abstract available.

Authors

C.L. Schreffler, P.H. Bird

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1996

Nutrient and triazine-herbicide concentrations in streams of the Chickies Creek Basin, south-central Pennsylvania, during low-flow conditions Nutrient and triazine-herbicide concentrations in streams of the Chickies Creek Basin, south-central Pennsylvania, during low-flow conditions

Excessive nutrients and herbicides in surface and ground water can affect human health and the aquatic life in Chickies Creek. Potential sources of these contaminants are all around us—direct application of nutrients and herbicides on land, discharge from wastewater-treatment and septic systems, and even deposition from the atmosphere. However, by far the largest source in the Chickies...

Authors

Michael J. Langland, Lloyd A. Reed

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1996

Drought-trigger ground-water levels and analysis of historical water-level trends in Chester County, Pennsylvania Drought-trigger ground-water levels and analysis of historical water-level trends in Chester County, Pennsylvania

The Chester County observation-well network was established in 1973 through a cooperative agreement between the Chester County Water Resources Authority (CCWRA) and the U.S. Geological Survey. The network was established to monitor local ground-water levels, to determine drought conditions, and to monitor ground-water-level trends. Drought-warning and drought-emergency water-level...

Authors

Curtis L. Schreffler

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1996

Ground-water resources of Cambrian and Ordovician carbonate rocks in the valley and ridge physiographic province of Pennsylvania Ground-water resources of Cambrian and Ordovician carbonate rocks in the valley and ridge physiographic province of Pennsylvania

About 43 million gallons per day of ground water was used in 1985 by the 150,000 people living in the 10 valleys of central Pennsylvania that are underlain by Cambrian and Ordovician carbonate rocks. Noticeable effects on water levels from withdrawals occur in the vicinity of the Borough of State College where an average of 8.1 million gallons per day is pumped. The carbonate aquifer...

Authors

A.E. Becher

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1996

Radon in ground water of the lower Susquehanna and Potomac River basins Radon in ground water of the lower Susquehanna and Potomac River basins

Ground-water samples collected from 267 wells were analyzed for radon as part of a water-quality reconnaissance of subunits of the Lower Susquehanna and Potomac River Basins conducted by the United States Geological Survey (USGS) as part of the National Water-Quality Assessment (NAWQA) program. Radon is a product of the radioactive decay of uranium. Airborne radon has been cited by the...

Authors

Bruce D. Lindsey, Scott W. Ator

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1996

Altitude and configuration of the potentiometric surface in the crystalline and metasedimentary rocks in East Brandywine, Upper Uwchlan and Uwchlan townships and parts of Caln, East Caln, and West Whiteland townships, Chester County, Pennsylvania, April 1 Altitude and configuration of the potentiometric surface in the crystalline and metasedimentary rocks in East Brandywine, Upper Uwchlan and Uwchlan townships and parts of Caln, East Caln, and West Whiteland townships, Chester County, Pennsylvania, April 1

No abstract available

Authors

Stephen S. Aichele, C. R. Wood

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1996

Altitude and configuration of the potentiometric surface, December 6, 1994, in the carbonate rocks in part of East Whiteland and Charlestown townships, Chester County, Pennsylvania Altitude and configuration of the potentiometric surface, December 6, 1994, in the carbonate rocks in part of East Whiteland and Charlestown townships, Chester County, Pennsylvania

A map showing ground-water levels in the carbonate rocks in part of East Whiteland and Charlestown Townships, Chester County, Pennsylvania, was constructed from water levels measured in 64 wells on December 6, 1994. Observed water-level altitudes range from 226 feet above sea level near Morehall Road to 400 feet above sea level near State Route 401 in East Whiteland Township.

Authors

B. C. McManus, R. A. Sloto

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1996

Altitude and configuration of the potentiometric surface in the crystalline and metasedimentary rocks in Valley and West Brandywine townships, Chester County, Pennsylvania, May 1992 through August 1993 Altitude and configuration of the potentiometric surface in the crystalline and metasedimentary rocks in Valley and West Brandywine townships, Chester County, Pennsylvania, May 1992 through August 1993

A map showing ground-water levels in crystalline and metasedimentary rocks in Valley and West Brandywine Townships, Chester County, Pennsylvania, was constructed from water levels measured in wells from May 1992 through August 1993. Pre-1992 measurements were incorporated on the map to provide control in areas where more recent data were not available. Because little ground-water...

Authors

J.E. McGovern, April Bossert, W.C. Wettstein

Water Resources Mission Area, Pennsylvania Water Science Center