Chemistry and isotopic composition of ground water along a section near the Newmark area, San Bernardino County, California
John A. Izbicki, Wesley R. Danskin, Gregory O. Mendez
1998, Water-Resources Investigations Report 97-4179
Chemical and isotopic analyses and flow-meter measurements in pumped wells were used to determine the source, movement, and age of ground water along a section of the valley-fill aquifer from the San Jacinto Fault to the base of the San Bernardino Mountains near the Newmark area in the Bunker Hill...
Evaluation of geophysical logs, phase I, for Crossley Farms Superfund Site, Berks County, Pennsylvania
Randall W. Conger
1998, Open-File Report 98-62
Twenty-one wells were drilled at Crossley Farms Superfund Site between December 15, 1987, and May 1, 1988, to define and monitor the horizontal and vertical distribution of ground-water contamination emanating from a suspected contaminant source area (Blackhead Hill). Eight well clusters were drilled on or near the Crossley Site and...
Water-quality trends in the Santa Ana River at MWD Crossing and below Prado Dam, Riverside County, California
Carmen A. Burton, John A. Izbicki, Katherine S. Paybins
1998, Water-Resources Investigations Report 97-4173
The Santa Ana River, located in an extensively urbanized basin, drains about 2,670 square miles near Los Angeles, California. Almost all flow in the river, about 200,000 acre-feet annually, is diverted to ponds where it infiltrates and recharges underlying aquifers. About 2 million people are dependent on these aquifers for...
Natural attenuation of chlorinated-hydrocarbon contamination at Fort Wainwright, Alaska: A hydrogeochemical and microbiological investigation workplan
Kathleen A. McCarthy, Michael R. Lilly, Joan F. Braddock, Larry D. Hinzman
1998, Open-File Report 98-198
Natural attenuation processes include biological degradation, by which microorganisms break down contaminants into simpler product compounds; adsorption of contaminants to soil particles, which decreases the mass of contaminants dissolved in ground water; and dispersion, which decreases dissolved contaminant concentrations through dilution. The primary objectives of this study are to (1)...
Ground-water hydrology and simulation of ground-water flow at Operable Unit 3 and surrounding region, U.S. Naval Air Station, Jacksonville, Florida
J.H. Davis
1998, Open-File Report 98-68
The Naval Air Station, Jacksonville (herein referred to as the Station), occupies 3,800 acres adjacent to the St. Johns River in Duval County, Florida. Operable Unit 3 (OU3) occupies 134 acres on the eastern side of the Station and has been used for industrial and commercial purposes since World War...
Technical protocol for evaluating natural attenuation of chlorinated solvents in ground water
T.H. Wiedemeier, M.A. Swanson, D.E. Moutoux, E.K. Gordon, J.T. Wilson, B.H. Wilson, D.H. Kampbell, P.E. Haas, R.N. Miller, J.E. Hansen, Francis H. Chapelle
1998, Report
This Protocol is designed to evaluate the fate in ground water of chlorinated aliphatic hydrocarbons and/or fuel hydrocarbons. Documentation of natural attenuation requires detailed site characterization. The data collected under this protocol can be used to compare the relative effectiveness of other remedial options. and natural attenuation. This protocol should...
Estimated predevelopment discharge to streams from the High Plains Aquifer in northwestern Oklahoma, southwestern Kansas, and northwestern Texas
R. R. Luckey, M.F. Becker
1998, Water-Resources Investigations Report 97-4287
A study of the High Plains aquifer in Okla homa was initiated in 1996 to: (1) provide the information needed by the Oklahoma Water Resources Board to manage the quantity of water produced from the aquifer; and (2) provide base line water-chemistry data. The approach used to meet the first...
Concentrations of chlorinated organic compounds in biota and bed sediment in streams of the lower San Joaquin River drainage, California
Larry R. Brown
1998, Open-File Report 98-171
Samples of resident biota and bed sediments were collected in 1992 from 18 sites on or near the floor of the San Joaquin Valley, California, for analysis of 33 organochlorine compounds. The sites were divided into five groups on the basis of physiographic region and land use. Ten compounds were...
Characterization of hydrogeologic units using matrix properties, Yucca Mountain, Nevada
L. E. Flint
1998, Water-Resources Investigations Report 97-4243
Determination of the suitability of Yucca Mountain, in southern Nevada, as a geologic repository for high-level radioactive waste requires the use of numerical flow and transport models. Input for these models includes parameters that describe hydrologic properties and the initial and boundary conditions for all rock materials within the unsaturated...
Assessment of the hydraulic connection between ground water and the Peace River, west-central Florida
B. R. Lewelling, A. B. Tihansky, J. L. Kindinger
1998, Water-Resources Investigations Report 97-4211
The hydraulic connection between the Peace River and the underlying aquifers along the length of the Peace River from Bartow to Arcadia was assessed to evaluate flow exchanges between these hydrologic systems. Methods included an evaluation of hydrologic and geologic records and seismic-reflection profiles, seepage investigations, and thermal infrared imagery...
Drainage from adits and tailings piles in the Coeur d'Alene mining district, Idaho; sampling, analytical methods and results
Laurie S. Balistrieri, A. A. Bookstrom, S. E. Box, Mohammed Ikramuddin
1998, Open-File Report 98-127
This report contains information about collecting, handling, and analyzing waters draining from adits and seeping from beneath tailings piles in the Coeur d'Alene mining district during August 1996, November 1996, and June 1997. Data include temperature, pH, conductivity, dissolved oxygen, alkalinity, flow, and total acid soluble and dissolved (<0.45 \im)...
Ground-water levels, predevelopment ground-water flow, and stream-aquifer relations in the vicinity of the Savannah River Site, Georgia and South Carolina
John S. Clarke, Christopher T. West
1998, Water-Resources Investigations Report 97-4197
Ground-water levels, predevelopment ground-water flow, and stream-aquifer relations in the vicinity of the U.S. Department of Energy Savannah River Site, Georgia and South Carolina, were evaluated as part of a cooperative study between the U.S. Geological Survey, U.S. Department of Energy, and Georgia Department of Natural Resources. As part of...
Simulation of ground-water flow in the Albuquerque Basin, central New Mexico, 1901-95, with projections to 2020
J. M. Kernodle
1998, Open-File Report 96-209
The ground-water-flow model of the Albuquerque Basin (Kernodle, J.M., McAda, D.P., and Thorn, C.R., 1995, Simulation of ground-water flow in the Albuquerque Basin, central New Mexico, with projections to 2020: U.S. Geological Survey Water-Resources Investigations Report 94-4251, 114 p.) was updated to include new information on the hydrogeologic framework...
Low-flow water-quality characterization of the Gore Creek watershed, upper Colorado River basin, Colorado, August 1996
Kirby H. Wynn, Norman E. Spahr
1998, Fact Sheet 160-97
The Upper Colorado River Basin (UCOL) is one of 59 National Water-Quality Assessment (NAWQA) study units designed to assess the status and trends of the Nation?s water quality (Leahy and others, 1990). The UCOL study unit began operation in 1994, and surface-water-quality data collection at a network of 14 sites...
Changes in sediment and nutrient storage in three reservoirs in the lower Susquehanna River Basin and implications for the Chesapeake Bay
Michael J. Langland
1998, Fact Sheet 003-98
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...
Water use and quality of fresh surface-water resources in the Barataria-Terrebonne Basins, Louisiana
Penny M. Johnson-Thibaut, Dennis K. Demcheck, Christopher M. Swarzenski, Paul A. Ensminger
1998, Open-File Report 98-632
Approximately 170 Mgal/d (million gallons per day) of ground- and surface-water was withdrawn from the Barataria-Terrebonne Basins in 1995. Of this amount, surface water accounted for 64 percent ( 110 MgaVd) of the total withdrawal rates in the basins. The largest surface-water withdrawal rates were from Bayou Lafourche ( 40...
Intercomparison of principal hydrometric instruments; Third phase, Evaluation of ultrasonic velocity meters for flow measurement in streams, canals, and estuaries
Charles S. Melching, Michael W. Meno
1998, Report, WMO/TD
As part of the World Meteorological Organization (WMO) project Intercomparison of Principal Hydrometric Instruments, Third Phase, a questionnaire was prepared by the U.S. Geological Survey (USGS) on the application of Ultrasonic Velocity Meters (UVM's) for flowmeasurement in <span...
Sediment transport at gaging stations near Mount St. Helens, Washington, 1980-90. Data collection and analysis
Randal L. Dinehart
1998, Professional Paper 1573
River sedimentation caused by the May 18, 1980, eruption of Mount St. Helens, Washington, has been monitored in a continuing program by the U.S. Geological Survey. In this report, sediment discharge and changes in sediment transport are summarized from data collected at stream-gaging stations near Mount St. Helens during the...
Hydrogeologic framework of the Puget Sound aquifer system, Washington and British Columbia
J. J. Vaccaro, Arnold J. Hansen Jr., M. A. Jones
1998, Professional Paper 1424-D
This report presents the generalized hydrogeologic framework of the Puget Sound aquifer system in Washington and British Columbia. The framework includes a conceptual model of the division of the aquifer system into regional hydrogeologic units for describing on a regional basis the ground-water flow in the system. The conceptual model...
Hydrology and snowmelt simulation of Snyderville Basin, Park City, and adjacent areas, Summit County, Utah
Lynette E. Brooks, James L. Mason, David D. Susong
1998, Technical Publication 115
Increasing residential and commercial development is placing increased demands on the ground- and surface-water resources of Snyderville Basin, Park City, and adjacent areas in the southwestern corner of Summit County, Utah. Data collected during 1993-95 were used to assess the quantity and quality of the water resources in the study...
Hydrogeology and groundwater quality of the glaciated valleys of Bradford, Tioga, and Potter Counties, Pennsylvania
John Williams, Larry E. Taylor, Dennis J. Low
1998, Water Resource Report 68
The most important sources of groundwater in Bradford, Tioga, and Potter Counties are the stratified-drift aquifers. Saturated sand and gravel primarily of outwash origin forms extensive unconfined aquifers in the valleys. Outwash is underlain in most major valleys by silt, clay, and very fine sand of lacustrine origin that comprise...
Noble gases, stable isotopes, and radiocarbon as tracers of flow in the Dakota aquifer, Colorado and Kansas
J.F. Clark, M.L. Davisson, G.B. Hudson, P. A. Macfarlane
1998, Journal of Hydrology (211) 151-167
A suite of chemical and isotope tracers (dissolved noble gases, stable isotopes of water, radiocarbon, and CI) have been analyzed along a flow path in the Dakota aquifer system to determine likely recharge sources, ground water residence times, and the extent of mixing between local and intermediate flow systems, presumably...
High-resolution Monte Carlo simulation of flow and conservative transport in heterogeneous porous media: 2. Transport results
R.L. Naff, D.F. Haley, E.A. Sudicky
1998, Water Resources Research (34) 679-697
In this, the second of two papers concerned with the use of numerical simulation to examine flow and transport parameters in heterogeneous porous media via Monte Carlo methods, results from the transport aspect of these simulations are reported on. Transport simulations contained herein assume a finite pulse input of conservative...
Operational modeling system with dynamic-wave routing
A. L. Ishii, T.J. Charlton, T.W. Ortel, C.C. Vonnahme
Loucks E, editor(s)
1998, Conference Paper, Proceedings of the Annual Water Resources Planning and Management Conference
A near real-time streamflow-simulation system utilizing continuous-simulation rainfall-runoff generation with dynamic-wave routing is being developed by the U.S. Geological Survey in cooperation with the Du Page County Department of Environmental Concerns for a 24-kilometer reach of Salt Creek in Du Page County, Illinois. This system is needed in order to...
Ground-water discharge and base-flow nitrate loads of nontidal streams, and their relation to a hydrogeomorphic classification of the Chesapeake Bay watershed, middle Atlantic Coast
L. Joseph Bachman, Bruce D. Lindsey, John W. Brakebill, David S. Powars
1998, Water-Resources Investigations Report 98-4059
Existing data on base-flow and groundwater nitrate loads were compiled and analyzed to assess the significance of groundwater discharge as a source of the nitrate load to nontidal streams of the Chesapeake Bay watershed. These estimates were then related to hydrogeomorphic settings based on lithology and physiographic province to provide...
