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, 1991

Altitude and configuration of the water-level surface in the Lower Paleozoic and Precambrian crystalline rocks of the Red Clay Creek basin, Chester County, Pennsylvania, and New Castle County, Delaware, June through October 1989 and March 1990

No abstract available

Authors

Karen L. Vogel, Wendy E. Miller, B. Craig McManus

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1991

Tributary-stream infiltration in Marsh Creek Valley, north-central Pennsylvania

The geohydrology of infiltration from five tributary streams along a 3.6-mile reach of Marsh Creek valley in north-central Pennsylvania was investigated during 1983-85. Marsh Creek valley is underlain by up to 100 feet of stratified drift that overlies Devonian bedrock. The stratified drift is overlain by up to 30 feet of alluvial-fan deposits near the tributary streams. Four of the five tr

Authors

John H. Williams

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

January 1, 1991

Hydrogeology and ground-water flow in the carbonate rocks of the Little Lehigh Creek basin, Lehigh County, Pennsylvania

The Little Lehigh Creek basin is underlain mainly by a complex assemblage of highly-deformed Cambrian and Ordovician carbonate rocks. The Leithsville Formation, Allentown Dolomite, Beekmantown Group, and Jacksonburg Limestone act as a single hydrologic unit. Ground water moves through fractures and other secondary openings and generally is under water-table conditions. Median annual ground-water d

Authors

R. A. Sloto, L. D. Cecil, L.A. Senior

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

January 1, 1991

National Water-Quality Assessment Program; The Lower Susquehanna River basin

In 1991, the U.S. Geological Survey (USGS) began to implement a full-scale National Water-Quality Assessment (NAWQA) program. The three major objectives of the NAWQA program are to provide a consistent description of current waterquality conditions for a large part of the Nation's water resources, define long-term trends in water quality, and identify, describe, and explain the major factors that

Authors

K. J. Breen, R. A. Hainly, S. A. Hoffman

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1991

Hydrology and the hypothetical effects of reducing nutrient applications on water quality in the Bald Eagle Creek Headwaters, southeastern Pennsylvania prior to implementation of agricultural best-management practices

The report characterizes a 0.43-square-mile agricultural watershed in York County, underlain by albite-chlorite and oligoclase-mica schist in the Lower Susquehanna River basin, that is being studied as part of the U.S. Environmental Protection Agency's Chesapeake Bay Program. The water quality of Bald Eagle Creek was studied from October 1985 through September 1987 prior to the implementation of B

Authors

D. K. Fishel, M. J. Langland, M. V. Truhlar

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1991

Water-resources data for North Fork Bens Creek, Somerset County, Pennsylvania, August 1983 through September 1988

Basin and climatological characteristics, quality-assurance data and results, and water-resources data for North Fork Bens Creek, in Somerset County, Pennsylvania are available from August 1983 through September 1988. The lowest temperature (-30. 0 C) was recorded during January 1985, and the highest temperature (36.7 C) was recorded during July 1988. Snowfall accumulates mostly during January and

Authors

Emitt C. Witt

Water Resources Mission Area, Pennsylvania Water Science Center

December 31, 1990

Effectiveness of the addition of alkaline materials at surface coal mines in preventing or abating acid mine drainage--Part 1. Geochemical considerations

The addition of alkaline materials to supplement deficient "neutralization potential" (NP) of mine spoil, and thus to prevent or abate acid mine drainage, has riot been successful at most surface coal mines in Pennsylvania. A basic problem may have been improper accounting for acid‐production potential and thus inadequate addition rates of calcium carbonate (CaCO3 ), calcium oxide (CaO) , or calci

Authors

Charles A. Cravotta, Keith Brady, Michael W. Smith, Richard L. Beam

Water Resources Mission Area, Pennsylvania Water Science Center

December 31, 1990

Effectiveness of the addition of alkaline materials at surface coal mines in preventing or abating acid mine drainage--Part 2. Mine site case studies

The effectiveness of preventing or ameliorating acid mine drainage (AMD) through the application of alkaline additives is evaluated for eight surface coal mines in Pennsylvania. Many of the mine sites had overburden characteristics that made prediction of post‐mining water quality uncertain. Alkaline materials were applied at rates ranging from 42 to greater than 1,000 tons as calcium carbonate pe

Authors

Keith Brady, Michael W. Smith, Richard L. Beam, Charles A. Cravotta

Water Resources Mission Area, Pennsylvania Water Science Center

December 31, 1990

Reevaluation of large-scale dispersivities for a waste chloride plume: Effects of transient flow

This paper investigates the effects of transient groundwater flow on dispersion of a waste chloride plume in the basaltic aquifer beneath the Idaho (USA) National Engineering Laboratory. In an early application of numerical modeling techniques to the two-dimensional simulation of field-scale plumes, previous investigators identified longitudinal and transverse dispersivities using an independently

Authors

Daniel J. Goode, Leonard F. Konikow

Water Resources Mission Area, Pennsylvania Water Science Center

November 30, 1990

Preliminary delineation of contaminated water-bearing fractures intersected by open-hole bedrock wells

Contaminated water‐bearing fractures intersected by open‐hole bedrock wells were preliminarily delineated through a combination of geophysical logging, vertical‐flow measurements, and downhole water sampling as part of remedial site investigations in southeastern New York. The wells investigated range from 100 to 450 feet in depth, have only shallow surface casing, and intersect multiple water‐bea

Authors

John H. Williams, Randall W. Conger

Water Resources Mission Area, Groundwater and Streamflow Information Program, Pennsylvania Water Science Center, New York Water Science Center

January 1, 1990

Safe disposal of radionuclides in low-level radioactive-waste repository sites; Low-level radioactive-waste disposal workshop, U.S. Geological Survey, July 11-16, 1987, Big Bear Lake, Calif., Proceedings

In the United States, low-level radioactive waste is disposed by shallow-land burial. Low-level radioactive waste generated by non-Federal facilities has been buried at six commercially operated sites; low-level radioactive waste generated by Federal facilities has been buried at eight major and several minor Federally operated sites (fig. 1). Generally, low-level radioactive waste is somewhat imp

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1990

Apparent dispersion in transient groundwater flow

This paper investigates the effects of large-scale temporal velocity fluctuations, particularly changes in the direction of flow, on solute spreading in a two-dimensional aquifer. Relations for apparent longitudinal and transverse dispersivity are developed through an analytical solution for dispersion in a fluctuating, quasi-steady uniform flow field, in which storativity is zero. For transient f

Authors

Daniel J. Goode, Leonard F. Konikow

Water Resources Mission Area, Pennsylvania Water Science Center