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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April 1, 1998

Changes in sediment and nutrient storage in three reservoirs in the lower Susquehanna River Basin and implications for the Chesapeake Bay Changes in sediment and nutrient storage in three reservoirs in the lower Susquehanna River Basin and implications for the Chesapeake Bay

The Susquehanna River contributes nearly 50 percent of the freshwater discharge to the Chesapeake Bay in a year of normal or average streamflow. The river also transports the greatest amount of nutrients (estimates of nearly 66 percent of the nitrogen and 40 percent of the phosphorus load) from all nontidal areas in the Chesapeake Bay Basin. Excessive nutrients in the Bay result in algal...

Authors

Michael J. Langland

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

January 1, 1998

Relation of algal biomass to characteristics of selected streams in the Lower Susquehanna River basin Relation of algal biomass to characteristics of selected streams in the Lower Susquehanna River basin

Seven small tributary streams with drainage areas ranging from 12.6 to 71.9 square miles, representative of both limestone and freestone settings, in the Lower Susquehanna River Basin were sampled for algae, nutrients, water quality, habitat, land use, hydrology, fish, and invertebrates. Nutrients, site characteristics, and selected characteristics of the invertebrate and fish...

Authors

Robin A. Brightbill, Michael D. Bilger

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1998

Effect of sewage sludge on formation of acidic ground water at a reclaimed coal mine Effect of sewage sludge on formation of acidic ground water at a reclaimed coal mine

Data on rock, ground water, vadose water, and vadose gas chemistry were collected for two years after sewage sludge was applied at a reclaimed surface coal mine in Pennsylvania to determine if surface-applied sludge is an effective barrier to oxygen influx, contributes metals and nutrients to ground water, and promotes the acidification of ground water. Acidity, sulfate, and metals...

Authors

C.A. Cravotta

Pennsylvania Water Science Center

January 1, 1998

Characterizing a ground water basin in a New England mountain and valley terrain Characterizing a ground water basin in a New England mountain and valley terrain

A ground water basin is defined as the volume of subsurface through which ground water flows from the water table to a specified discharge location. Delineating the topographically defined surface water basin and extending it vertically downward does not always define the ground water basin. Instead, a ground water basin is more appropriately delineated by tracking ground water flowpaths...

Authors

Claire R. Tiedeman, Daniel J. Goode, Paul A. Hsieh

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

January 1, 1998

Southeastern Pennsylvania ground water protected area Southeastern Pennsylvania ground water protected area

Geographical Information System data sets were developed by the U.S. Geological Survey in cooperation with the Delaware River Basin Commission (DRBC). These data are related to groundwater resources for the DRBC's Southeastern Pennsylvania Groundwater Protected Area.

Authors

Water Resources Division U.S. Geological Survey

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1998

Altitude and configuration of the potentiometric surface in Wallace Township, Chester County, Pennsylvania, February 1996 through June 1997 Altitude and configuration of the potentiometric surface in Wallace Township, Chester County, Pennsylvania, February 1996 through June 1997

No abstract available

Authors

Kenneth S. Eden, Frank M. Schneider

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1998

Yields and trends of nutrients and total suspended solids in nontidal areas of the Chesapeake Bay basin, 1985-96 Yields and trends of nutrients and total suspended solids in nontidal areas of the Chesapeake Bay basin, 1985-96

Excessive concentrations of nutrients and suspended solids in water adversely affect water quality in the Chesapeake Bay. High levels of nutrients in the Bay result in algal blooms and suspended solids reduce water clarity, both of which decrease the amount of light reaching submerged aquatic vegetation (SAV). The die off and decomposition of algae and SAV deplete oxygen supplies in the...

Authors

Michael J. Langland

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

January 1, 1998

Evaluation of hydrologic data collected at the North Penn Area 12 Superfund Site, Montgomery County, Pennsylvania Evaluation of hydrologic data collected at the North Penn Area 12 Superfund Site, Montgomery County, Pennsylvania

The North Penn Area 12 Superfund Site is underlain by the Lockatong Formation, which consists of interbedded gray to black siltstone and shale. The beds of the Lockatong Formation strike northeast and dip about 10d to 20d to the northwest in the vicinity of the site. Ground water moves through fractures that are nearly vertical and horizontal in the shale and siltstone. Permeability and...

Authors

Lisa A. Senior, Kevin E. Grazul, Charles R. Wood

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1998

Geohydrology and distribution of volatile organic compounds in ground water in the Casey Village area, Bucks County, Pennsylvania Geohydrology and distribution of volatile organic compounds in ground water in the Casey Village area, Bucks County, Pennsylvania

Casey Village and the adjoining part of the U.S. Naval Air Warfare Center (NAWC) are underlain by the Late Triassic-age Stockton Formation, which consists of a dipping series of siltstones and sandstones. The direction of vertical ground-water gradients in the Stockton Formation varies among well locations and sometimes with time. Vertical gradients can be substantial; the difference in...

Authors

Ronald A. Sloto, Randall W. Conger, Kevin E. Grazul

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1998

Fish communities and their relation to physical and chemical characteristics of streams from selected environmental settings in the Lower Susquehanna River basin, 1993-95 Fish communities and their relation to physical and chemical characteristics of streams from selected environmental settings in the Lower Susquehanna River basin, 1993-95

Studies of fish-community composition were conducted annually in selected reaches (from 100 to 303 meters in length) on seven streams from June 1993 to June 1995 within the Lower Susquehanna River Basin. In 1994, additional reaches were selected on three of the streams, resulting in a total of 28 samples. The study reaches were selected on the basis of type of bedrock and land use/land...

Authors

Michael D. Bilger, Robin A. Brightbill

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1998

Low-flow statistics of selected streams in Chester County, Pennsylvania Low-flow statistics of selected streams in Chester County, Pennsylvania

Low-flow statistics for many streams in Chester County, Pa., were determined on the basis of data from 14 continuous-record streamflow stations in Chester County and data from 1 station in Maryland and 1 station in Delaware. The stations in Maryland and Delaware are on streams that drain large areas within Chester County. Streamflow data through the 1994 water year were used in the...

Authors

Curtis L. Schreffler

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1998

Evaluation of geophysical logs and video surveys in boreholes adjacent to the Berkley Products Superfund Site, West Cocalico Township, Lancaster County, Pennsylvania Evaluation of geophysical logs and video surveys in boreholes adjacent to the Berkley Products Superfund Site, West Cocalico Township, Lancaster County, Pennsylvania

Between February 1998 and April 1998, geophysical logs were collected in nine boreholes adjacent to the Berkley Products Superfund Site, West Cocalico Township, Lancaster County, Pa. Video surveys were conducted on four of the nine boreholes. The boreholes range in depth from 320 to 508 feet below land surface, are completed open holes, have ambient vertical flow of water, and penetrate...

Authors

Dennis J. Low, Randall W. Conger

Water Resources Mission Area, Pennsylvania Water Science Center