National Water-Quality Assessment Program - South-Central Texas
Water Resources Division, U.S. Geological Survey
1994, Fact Sheet 048-94
In 1991, the U.S. Geological Survey (USGS), Department of the Interior, began a National Water-Quality Assessment (NAWQA) Program. The long-term goals of the NAWQA Program are to describe the status of and trends in the quality of a large, representative part of the Nation's surface- and ground-water resources and to...
National Water-Quality Assessment Program: The Sacramento River Basin
Joseph L. Domagalski, Larry R. Brown
1994, Fact Sheet 029-94
In 1991, the U.S. Geological Survey (USGS) began to implement a full-scale National Water-Quality Assessment (NAWQA) program. The long-term goals of the NAWQA program are to describe the status of and trends in the quality of a large, representative part of the Nation's surface- and ground-water resources and to identify...
User's guide to revised method-of-characteristics solute-transport model (MOC--version 31)
Leonard F. Konikow, G.E. Granato, G.Z. Hornberger
1994, Water-Resources Investigations Report 94-4115
The U.S. Geological Survey computer model to simulate two-dimensional solute transport and dispersion in ground water (Konikow and Bredehoeft, 1978; Goode and Konikow, 1989) has been modified to improve management of input and output data and to provide progressive run-time information. All opening and closing of files are now done...
Hydrogeologic framework and simulation of shallow ground-water flow in the vicinity of a hazardous-waste landfill near Pinewood, South Carolina
D.A. Vroblesky
1994, Water-Resources Investigations Report 93-4185
The geologic units in the vicinity of a hazardous- waste landfill near Pinewood, S.C., were divided into hydrogeologic units on the basis of lithologic and hydrologic characteristics. A quasi-3- dimensional finite-difference ground-water-flow model was constructed to represent the hydrogeologic flamework. The simulation results indicate that if non-reactive constituents were released...
Use of a precipitation-runoff model for simulating effects of forest management on streamflow in 11 small drainage basins, Oregon Coast Range
J. C. Risley
1994, Water-Resources Investigations Report 93-4181
The Precipitation-Runoff Modeling System (PRMS) model of the U.S. Geological Survey was used to simulate the hydrologic effects of timber management in 11 small, upland drainage basins of the Coast Range in Oregon. The coefficients of determination for observed and simulated daily flow during the calibration periods ranged from 0.92...
National Water Quality Assessment Program; the Santee Basin and coastal drainage, North Carolina and South Carolina
W. Brian Hughes
1994, Fact Sheet 010-94
In 1991, the U.S. Geological Survey (USGS), U.S. Department of the Interior, began a National Water-Quality Assessment Program (NAWQA). The long-term goals of NAWQA are to describe the status of and trends in the quality of a large representative part of the Nation's surface- and ground-water resources and to identify...
Chemical, geologic, and hydrologic data from the Little Colorado River basin, Arizona and New Mexico, 1988-91
Gregory G. Fisk, S.A. Ferguson, D.R. Rankin, Laurie Wirt
1994, Open-File Report 94-356
In June 1988, The U.S. Geological Survey began a 4-year study of the occurrence and movement of radionuclides and other chemical constituents in ground water and surface water in the Little Colorado River basin in Arizona and New Mexico. Radionuclides and other chemical constituents occur naturally in water, rock, and...
Use of frequency analysis and the extended streamflow prediction procedure to estimate evacuation dates for the joint-use pool of Pueblo Reservoir, Colorado
Gerhard Kuhn, R.C. Nickless
1994, Water-Resources Investigations Report 94-4054
Part of the storage space of Pueblo Reservoir consists of a 65,950 acre-foot joint-use pool (JUP) that can be used to provide additional conservation capacity from November 1 to April 14; however, the JUP must be evacuated by April 15 and used only for flood-control capacity until November 1. A...
Water resources of Duval County, Florida
G. G. Phelps
1994, Water-Resources Investigations Report 93-4130
The report describes the hydrology and water resources of Duval County, the development of its water supplies, and water use within the county. Also included are descriptions of various natural features of the county (such as topography and geology), an explanation of the hydrologic cycle, and an interpretation of the...
Description and application of capture zone delineation for a wellfield at Hilton Head Island, South Carolina
J. E. Landmeyer
1994, Water-Resources Investigations Report 94-4012
Ground-water capture zone boundaries for individual pumped wells in a confined aquffer were delineated by using groundwater models. Both analytical and numerical (semi-analytical) models that more accurately represent the $round-water-flow system were used. All models delineated 2-dimensional boundaries (capture zones) that represent the areal extent of groundwater contribution to a...
Hydrogeology, water quality, and potential for contamination of the Upper Floridan aquifer in the Silver Springs ground-water basin, central Marion County, Florida
G. G. Phelps
1994, Water-Resources Investigations Report 92-4159
The Upper Floridan aquifer, composed of a thick sequence of very porous limestone and dolomite, is the principal source of water supply in the Silver Springs ground-water basin of central Marion County, Florida. The karstic nature of the local geology makes the aquifer susceptible to contaminants from the land surface....
Effects of municipal ground-water withdrawals on the Arbuckle-Simpson aquifer, Pontotoc County, Oklahoma
M. E. Savoca, D. L. Bergman
1994, Water-Resources Investigations Report 93-4230
The Arbuckle-Simpson aquifer in south-central Oklahoma consists of a thick sequence of folded and faulted carbonate and clastic rocks of Upper Cambrian to Middle Ordovician age. Fractures and karst features locally increase the aquifer's capacity to transmit and store ground water. The aquifer is a principal source of water for...
Concentrations of selected herbicides, two triazine netabolites, and nutrients in storm runoff from nine stream basins in the Midwestern United States, 1990-92
Elisabeth A. Scribner, Donald A. Goolsby, E. Michael Thurman, Michael T. Meyer, Michael L. Pomes
1994, Open-File Report 94-396
No abstract available....
Calibration of a streamflow-routing model for the Delaware River and its principal tributaries in New York, New Jersey, and Pennsylvania
H.N. Flippo Jr., T.M. Madden Jr.
1994, Water-Resources Investigations Report 93-4160
The flow-routing module of the Hydrologic Simulation Program-Fortran watershed model was calibrated for 31 reaches on the Delaware River and 5 of it principal tributaries. These calibrations primarily involved the development of discharge-storage volume relations for the defined reaches. Daily discharge records for stream-gaging stations located at the upstream ends...
Regional hydrology and simulation of deep ground-water flow in the Southeastern Coastal Plain aquifer system in Mississippi, Alabama, Georgia, and South Carolina
R.A. Barker, Maribeth Pernik
1994, Professional Paper 1410-C
The Southeastern Coastal Plain aquifer system is a coastward-sloping, wedge-shaped sand and gravel reservoir exposed in outcrop to a humid climate and drained by an extensive surface-water network. Ground-water pumpage has increased to about 765 cubic feet per second since 1900, causing water-level declines of more than 150 feet in...
Hydrologic data for the Puerco River basin, western New Mexico, October 1, 1991, through September 30, 1992
Robert Louis Gold, Dale R. Rankin
1994, Open-File Report 94-377
Hydrologic data collected during October 1, 1991, through September 30, 1992, in the Puerco River Basin, Western New Mexico, are summarized. The effects of uranium mining and a 1979 tailings pond spill, in combination with naturally occurring and potentially hazardous trace elements, have created a concern that surface water and...
Hydrogeologic and water-quality data used to characterize the Management Systems Evaluation Area near Princeton, Minnesota, 1991
G. N. Delin, M.K. Landon, J.A. Lamb, J. L. Anderson
1994, Open-File Report 94-337
The Minnesota Management Systems Evaluation Area project is part of a multi-scale, inter-agency initiative to evaluate the effects of agricultural management systems on water quality in the midwest corn belt. The research area is located in the Anoka Sand Plain about 5 kilometers southwest of Princeton, Minnesota. The ground-water-quality monitoring...
Estimation of Magnitude and Frequency of Floods for Streams on the Island of Oahu, Hawaii
Michael F. Wong
1994, Water-Resources Investigations Report 94-4052
This report describes techniques for estimating the magnitude and frequency of floods for the island of Oahu. The log-Pearson Type III distribution and methodology recommended by the Interagency Committee on Water Data was used to determine the magnitude and frequency of floods at 79 gaging stations that had 11 to...
Proceedings of a U.S. Geological Survey pressure-sensor Workshop, Denver, Colorado, July 28-31, 1992
Sammy L. Wilbourn
1994, Open-File Report 94-363
The U.S. Geological Survey (USGS) conducted a Pressure Sensor Workshop, oriented toward the measurement of stage in surface waters, in Denver, Colorado, July 28-31, 1992. Twenty attendees from the U.S. Geological Survey and the National Oceanic and Atmospheric Administration gave presentations concerning their experiences with the use of pressure sensors...
State water-data reports; hydrologic records of the United States water years 1990, 1991, 1992, and 1993
D.F. Alt
1994, Open-File Report 94-467
Water-quality data for selected North Carolina streams and reservoirs in the Triangle Area Water Supply Monitoring Project, 1988-92
Ronald G. Garrett, John E. Taylor, Terry L. Middleton
1994, Open-File Report 94-379
The Triangle Area Water Supply Monitoring Project was developed to assess regional water-quality characteristics in drinking-water supplies and to provide a basis for determining trends in water quality for the Research Triangle area, which is one of the fastest growing areas in North Carolina. The study area is in the...
Bibliography of selected water-resources information for the Arkansas River basin in Colorado through 1985
John M. Kuzmiak, Hyla H. Strickland
1994, Open-File Report 94-331
The Arkansas River basin composes most of southeastern Colorado, and the numerous population centers and vast areas of agricultural development are located primarily in the semiarid part of the basin east of the Continental Divide. Because effective management and development of water resources in this semiarid area are essential...
Hydrology of, and water quality in, the open burning area and vicinity, Picatinny Arsenal, New Jersey, 1989-90
D. A. Storck
1994, Water-Resources Investigations Report 92-4134
This report presents the results of a study to determine whether shallow ground water at Picatinny Arsenal Morris County, New Jersey, has been con- taminated as a result of operations at the open burning area, which is used for burning of waste explosives and materials contaminated with explosives. Results of...
Hydrologic and chemical data from an experiment to examine temporal variability in water samples from screened wells on Cape Cod, Massachusetts
Thomas E. Reilly
1994, Open-File Report 94-384
An experiment was designed to evaluate the changing chemical composition of the water pumped from a well screened in a physically and chemically heterogenous aquifer. Well F453-63, at the U.S. Geological Survey Toxic-Substances Hydrology research site located on Cape Cod, Massachusetts, was selected because it was known that the screen...
Contamination of shallow ground water in the area of building 95, Picatinny Arsenal, New Jersey, 1985-90
B. P. Sargent, D. A. Storck
1994, Water-Resources Investigations Report 92-4122
A zone of contaminated ground water at Picatinny Arsenal has resulted from the operation of a metal- plating facility in building 95 during 1960-81, and the wastewater-treatment system that is in and adjacent to the building. Thirty-two monitoring wells were installed in 1989 to supplement 12 previously installed wells. All...
