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, 1986

National water summary 1985: Hydrologic events and surface-water resources National water summary 1985: Hydrologic events and surface-water resources

The surface-water resources of the United States, the focal point for this National Water Summary, are extensively developed and managed to provide water supplies, hydroelectric power, navigation, recreational opportunities, and sufficient instream flows to maintain fish and wildlife habitats and adequate water quality. Surface water represents 77 percent of the Nation's total freshwater

Water Resources Mission Area, Oklahoma-Texas Water Science Center, Pennsylvania Water Science Center, Utah Water Science Center, Dakota Water Science Center, Central Midwest Water Science Center, Upper Midwest Environmental Sciences Center, Upper Midwest Water Science Center, Central Plains Water Science Center

January 1, 1986

Statistical analyses of flood frequency, low-flow frequency, and flow duration of streams in the Philadelphia Area, Pennsylvania Statistical analyses of flood frequency, low-flow frequency, and flow duration of streams in the Philadelphia Area, Pennsylvania

Flood frequency, low-flow frequency, and flow-duration characteristics were computed for 26 stream-gaging stations in and near Philadelphia. Data were obtained from 21 continuous-recording stations and five stations that were initially continuous-recording stations, but which were subsequently converted to crest-stage stations. The annual peak flows were fitted to the three-parameter log...

Authors

Andrew Voytik

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1986

Results of a preimpoundment water-quality study of Swatara Creek, Pennsylvania Results of a preimpoundment water-quality study of Swatara Creek, Pennsylvania

The water quality of Swatara Creek prior to impoundment by the proposed Swatara Creek Reservoir in south-central Pennsylvania was studied from July 1981 through October 1982. The report, done in cooperation with the Pennsylvania Department of Environmental Resources (PaDER), Bureau of State Parks, presents information on existing water-quality conditions. A discussion of possible water...

Authors

David K. Fishel, J.E. Richardson

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1986

Ground-water recharge and its effects on nitrate concentration beneath a manured field site in Pennsylvania Ground-water recharge and its effects on nitrate concentration beneath a manured field site in Pennsylvania

Ground-water recharge to a shallow, unconfined, fractured dolomite aquifer underlying agricultural land in Lancaster County, Pennyslvania occurs by two mechanisms. Direct recharge occurs through pathways such as near-surface bedrock fractures and sinkholes, and affects dissolved nitrate concentration of ground water within two to three days; its effects last only about one week. Gradual...

Authors

J. M. Gerhart

Pennsylvania Water Science Center

January 1, 1986

Occurrence of nitrate and herbicides in ground water in the upper Conestoga River basin, Pennsylvania : water-quality study of the Conestoga River headwaters, Pennsylvania Occurrence of nitrate and herbicides in ground water in the upper Conestoga River basin, Pennsylvania : water-quality study of the Conestoga River headwaters, Pennsylvania

Nitrate-nitrogen and herbicide ground-water data is being collected by the u.s. Geological Survey as part of the nationwide Rural Clean Water Program designed to determine the effects of agricultural-management practices on water quality. Data collected from September 1982 to October 1983 · in the 188-square mile intensively farmed upper Conestoga River basin indicates high nitrate and...

Authors

David K. Fishel, Patricia L. Lietman

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1986

Temporal changes in sulfate, chloride, and sodium concentrations in four eastern Pennsylvania streams Temporal changes in sulfate, chloride, and sodium concentrations in four eastern Pennsylvania streams

Trend analyses of 20 years or more of chemical quality and streamflow data for four streams in eastern Pennsylvania indicate that sulfate has decreased significantly in three of the four basins studied, while sodium and chloride have generally increased. The majority of chemical quality changes occurred in the late 1950 's and early 1960 's coincident with significant cultural changes...

Authors

J. L. Barker

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1985

National water summary 1984: Hydrologic events, selected water-quality trends, and ground-water resources National water summary 1984: Hydrologic events, selected water-quality trends, and ground-water resources

Water year 1984 was a year of extreme hydrologic conditions. For the third consecutive year, precipitation and resulting runoff were well above long-term averages in most of the Nation and as much as 400 percent above average in the Southwest. National flood damages during the year were the third highest in a 10-year period (1975-84) an estimated $3.5 to $4 billion. In many of the larger...

Authors

January 1, 1985

Ground-water levels in the Lower Paleozoic carbonate rocks of Western Chester Valley, Chester County, Pennsylvania, November 1984 Ground-water levels in the Lower Paleozoic carbonate rocks of Western Chester Valley, Chester County, Pennsylvania, November 1984

No abstract available

Authors

Charles R. Wood

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1985

Ground-water levels in the Cockeysville marble of southern Chester County, Pennsylvania, 1983-84 Ground-water levels in the Cockeysville marble of southern Chester County, Pennsylvania, 1983-84

No abstract available

Authors

Deloris W. Speight

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1985

Reconnaissance of mine drainage in the coal fields of eastern Pennsylvania Reconnaissance of mine drainage in the coal fields of eastern Pennsylvania

Anthracite has been extensively mined in four areas of eastern Pennsylvania. Almost all underground mining in the four areas, the Northern, Eastern Middle, Western Middle, and Southern Fields, has been discontinued and many mines are abandoned and flooded. Precipitation on much of the 408 square miles of coal fields infiltrates to the underground mine complexes, and is discharged as mine...

Authors

D.J. Growitz, L.A. Reed, M.M. Beard

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1985