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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

Nitrate in ground water and stream base flow in the lower Susquehanna River Basin, Pennsylvania and Maryland

High concentrations of nitrate in both ground and surface water have been identified as a significant water-quality issue in the Lower Susquehanna River Basin. This report uses data collected by the National Water Quality Assessment (NAWQA) Program in the basin and compares nitrate concentrations found in ground water and surface water on both a spatial and temporal basis and relates nitrate conce
Authors
Bruce D. Lindsey, Connie A. Loper, Robert A. Hainly
By
Water Resources Mission Area, Pennsylvania Water Science Center

Oxygen transport and pyrite oxidation in unsaturated coal-mine spoil

An understanding of the mechanisms of oxygen (02) transport in unsaturated mine spoil is necessary to design and implement effective measures to exclude 02 from pyritic materials and to control the formation of acidic mine drainage. Partial pressure of oxygen (Po2) in pore gas, chemistry of pore water, and temperature were measured at different depths in unsaturated spoil at two reclaimed surface
Authors
Weixing Guo, Charles A. Cravotta
By
Water Resources Mission Area, Pennsylvania Water Science Center

Effects of agricultural best-management practices on the Brush Run Creek headwaters, Adams County, Pennsylvania, prior to and during nutrient management

The U.S. Geological Survey, in cooperation with the Susquehanna River Basin Commission and the Pennsylvania Department of Environmental Resources, investigated the effects of agricultural best-management practices on surface-water quality as part of the U.S. Environmental Protection Agency's Chesapeake Bay Program. This report characterizes a 0.63-square- mile agricultural watershed underlain by s
Authors
M. J. Langland, D. K. Fishel
By
Water Resources Mission Area, Pennsylvania Water Science Center

Evaluation of agricultural best-management practices in the Conestoga River headwaters, Pennsylvania: Effects of nutrient management on water quality in the Little Conestoga Creek headwaters, 1983-89

Water quality in the headwaters of the Little Conestoga Creek, Lancaster County, Pa., was investigated from April 1986 through September 1989 to determine possible effects of agricultural nutrient management on water quality. Nutrient management, an agricultural Best-Management Practice, was promoted in the 5.8-square-mile watershed by the U.S. Department of Agriculture Rural Clean Water Program.
Authors
E. H. Koerkle, D. K. Fishel, M. J. Brown, K. M. Kostelnik
By
Water Resources Mission Area, Chesapeake Bay Activities, Pennsylvania Water Science Center

Altitude and configuration of the potentiometric surface in the Upper Triassic sedimentary rocks at and near the North Penn Area 12 Superfund site, Worcester Township, Montgomery County, Pennsylvania, July 20-27, 1995

A map showing the altitude of the potentiometric surface defined by measured water levels near the North Penn Area 12 Superfund Site in Worcester Township, Montgomery County, Pa., was constructed from water levels measured in 35 wells from July 20-27, 1995. Observed water-level altitudes range from 435 feet above sea level in a well near Church Road to 261 feet above sea level in a well near Land
Authors
Kevin E. Grazul
By
Water Resources Mission Area, Pennsylvania Water Science Center

Geohydrology and water quality of the unconsolidated deposits in Erie County, Pennsylvania

Water in unconsolidated deposits is used for the water supplies of homes, farms, municipalities, and industries in Erie County. The unconsolidated deposits cover most of the bedrock of Erie County. Thickness of the unconsolidated deposits ranged from 60 to 400 feet at 30 sites surveyed by seismic refraction and reflection methods. Water wells, mostly in the unconsolidated deposits, provide adequat
Authors
T. F. Buckwalter, C.L. Schreffler, R.E. Gleichsner
By
Water Resources Mission Area, Pennsylvania Water Science Center

Evaluation of agricultural best-management practices in the Conestoga River headwaters, Pennsylvania: Characterization of surface-runoff and ground-water quantity and quality in a small carbonate basin near Churchtown, Pennsylvania, prior to terracing and

The U.S. Geological Survey, in cooperation with the Pennsylvania Department of Environmental Protection1 , conducted a study as part of the U.S. Department of Agriculture's Rural Clean Water Program to determine the effects of agricultural best-management practices on surface-water and ground-water quality in the Conestoga River headwaters basin. This report describes Field-Site 1 and characterize
Authors
Patricia L. Lietman, D. W. Hall, M. J. Langland, D. C. Chichester, J. R. Ward
By
Water Resources Mission Area, Chesapeake Bay Activities, Pennsylvania Water Science Center

Statewide Floods in Pennsylvania, January 1996

Rivers and streams throughout Pennsylvania (fig. 1) experienced major flooding during January 1996. Flood stages (water-surface heights) and discharges (flows) in many of the Commonwealth's waterways were measured by the U.S. Geological Survey (USGS) and approached or exceeded record levels established during previous floods. Setting the stage for the flooding was an unusually cold beginning to th
Authors
R.E. Thompson
By
Water Resources Mission Area, Pennsylvania Water Science Center

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 productive and
Authors
D. C. Chichester
By
Water Resources Mission Area, Chesapeake Bay Activities, Pennsylvania Water Science Center

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 system is het
Authors
A.E. Becher
By
Water Resources Mission Area, Pennsylvania Water Science Center

Quality of ground water at selected sites in the upper Mahoning Creek Basin, Pennsylvania

The ground-water quality of the upper Mahoning Creek Basin is largely unknown. Human activities in the basin have altered much of the landscape. The presence of coal mining, oil and gas exploration, agriculture, on-lot septic systems, and commercial development within the basin can introduce contaminants altering the natural chemistry of the ground water. Data collected to document current ground-
Authors
Michael J. Langland
By
Water Resources Mission Area, Pennsylvania Water Science Center

Study design and preliminary data analysis for a streambank fencing project in the Mill Creek Basin, Pennsylvania

The Pequea Creek and Mill Creek Basins within Lancaster and Chester Counties in Pennsylvania have been identified as areas needing control of nonpoint-source (NFS) pollution to improve water quality. The two basins are a total of approximately 200 square miles and are primarily underlain by carbonate bedrock. Land use is predominantly agriculture. The most common agricultural NFS pollution-control
Authors
Daniel G. Galeone, Edward H. Koerkle
By
Water Resources Mission Area, Pennsylvania Water Science Center