Hydrology and water quality of the Beaver Dam Wash area, Washington County, Utah, Lincoln County, Nevada, and Mohave County, Arizona
W. F. Holmes, G. E. Pyper, J. S. Gates, D. H. Schaefer, K.M. Waddell
1997, Water-Resources Investigations Report 97-4193
Integrity of production wells and confining unit at the Naval Weapons Industrial Reserve Plant, Dallas, Texas, 1995
Sonya A. Jones, Frederick L. Paillet
1997, Water-Resources Investigations Report 97-4047
Ground water in the shallow alluvial aquifer is contaminated at the Naval Weapons Industrial Reserve Plant, Dallas, Texas. Five production wells at the site are cased through the alluvial aquifer and underlying units and are screened in either the Paluxy or Twin Mountains aquifers. Three abandoned wells, originally completed in...
PHREEQCI: A graphical user interface for the geochemical computer program PHREEQC
Scott R. Charlton, Clifford L. Macklin, David L. Parkhurst
1997, Water-Resources Investigations Report 97-4222
PhreeqcI is a Windows-based graphical user interface for the geochemical computer program PHREEQC. PhreeqcI provides the capability to generate and edit input data files, run simulations, and view text files containing simulation results, all within the framework of a single interface. PHREEQC is a multipurpose geochemical program that can perform...
Agricultural chemicals in Iowa's ground water, 1982-95: What are the trends?
Dana W. Koplin, George Hallberg, D. A. Sneck-Fahrer, Robert Libra
1997, Fact Sheet 116-97
The Iowa Department of Natural Resources. Geological Survey Bureau: the University of Iowa Hygienic Laboratory; and the U.S. Geological Survey (USGS) have been working together to address this question. As part of the Iowa Ground-Water Monitoring Program (IGWM). water samples have been collected from selected Iowa municipal wells since 1982....
Are walleye from Lake Roosevelt contaminated with mercury?
Martha L. Erwin, Mark D. Munn
1997, Fact Sheet 102-97
To find out, scientists from the U. S. Geological Survey (USGS) tested walleye and other sport fish from the upper Columbia River and Franklin D. Roosevelt Lake (Lake Roosevelt), the largest reservoir in Washington and a popular fishing spot.Findings:Walleye had higher concentrations of mercury than other sport fish.Larger walleye had...
Hydrogeology and water quality of the Shell Valley Aquifer, Rolette County, North Dakota
M.L. Strobel
1997, Water-Resources Investigations Report 97-4291
The Shell Valley aquifer is the sole source of water for the city of Belcourt and the primary source of water for most of the Turtle Mountain Indian Reservation. The Turtle Mountain Band of Chippewa Indians is concerned about the quantity and quality of water in the Shell Valley aquifer,...
Water resources of Bannock Creek basin, southeastern Idaho
Joseph M. Spinazola, B.D. Higgs
1997, Water-Resources Investigations Report 97-4231
The potential for development of water resources in the Bannock Creek Basin is limited by water supply. Bannock Creek Basin covers 475 square miles in southeastern Idaho. Shoshone-Bannock tribal lands on the Fort Hall Indian Reservation occupy the northern part of the basin; the remainder of the basin is privately...
Estimation of peak-discharge frequency of urban streams in Jefferson County, Kentucky
Gary R. Martin, Kevin J. Ruhl, Brian L. Moore, Martin F. Rose
1997, Water-Resources Investigations Report 97-4219
An investigation of flood-hydrograph characteristics for streams in urban Jefferson County, Kentucky, was made to obtain hydrologic information needed for waterresources management. Equations for estimating peak-discharge frequencies for ungaged streams in the county were developed by combining (1) long-term annual peakdischarge data and rainfall-runoff data collected from 1991 to 1995...
Hydrologic and water-quality data for the Southwest Irrigation District's High Plains States Groundwater Recharge Demonstration Project, south-central Idaho
H.W. Young
1997, Open-File Report 97-820
Natural attenuation of chlorinated volatile organic compounds in a freshwater tidal wetland, Aberdeen Proving Ground, Maryland
Michelle M. Lorah, Lisa D. Olsen, Barrett L. Smith, Mark A. Johnson, William B. Fleck
1997, Water-Resources Investigations Report 97-4171
Ground-water contaminant plumes that are flowing toward or currently discharging to wetland areas present unique remediation problems because of the hydrologic connections between ground water and surface water and the sensitive habitats in wetlands. Because wetlands typically have a large diversity of microorganisms and redox conditions that could enhance biodegradation,...
Effects of the 1993 flood on water levels and water quality in the Sheyenne Delta Aquifer, southeastern North Dakota, 1993-94
M.L. Strobel, S.A. Radig
1997, Water-Resources Investigations Report 97-4163
A study was conducted to evaluate the effects of precipitation and flooding on water levels in the Sheyenne Delta aquifer and to evaluate the variations in water quality that are related to the precipitation and flooding. Water-level, streamflow, and water-quality data collected before July 1993 were assumed to be representative...
Glacier ice-volume modeling and glacier volumes on Redoubt Volcano, Alaska
Dennis C. Trabant, Daniel B. Hawkins
1997, Water-Resources Investigations Report 97-4187
Assessment of ice volumes and hydrologic hazards on Redoubt Volcano began four months before the 1989-90 eruptions removed 0.29 cubic kilometer of perennial snow and ice from Drift glacier. A volume model was developed for evaluating glacier volumes on Redoubt Volcano. The volume model is based on third-order polynomial simulations...
Activities of the United States Geological Survey in Pennsylvania
Charles R. Wood (compiler)
1997, Open-File Report 97-640
Since the late 1800's, when the U.S. Geological Survey first established a presence in Pennsylvania, the focus of our work has changed from general hydrologic and geologic appraisals to issue-oriented investigations; from predominantly data collection to a balanced program of data collection, interpretation, and research; and from traditional, hand-drawn mapping...
Spatial and temporal trends of trace metals in surface water, bed sediment, and biota of the upper Clark Fork Basin, Montana, 1985-95
Michelle I. Hornberger, J. H. Lambing, S. N. Luoma, E.V. Axtmann
1997, Open-File Report 97-669
No abstract available....
Low-flow water-quality and discharge data for lined channels in Northeast Albuquerque, New Mexico, 1990 to 1994
R.L. Gold, Robert McBreen
1997, Open-File Report 97-811
The water resources of the Albuquerque metropolitan area are under increasing scrutiny by Federal and State regulators. Because of a lack of available low-flow data for use in addressing potential water-quality problems, a project was established to collect low-flow water-quality and discharge data. The project was initiated under a current...
Studies of the San Francisco Bay, California, estuarine ecosystem regional monitoring program results, 1996
Jelriza I. Baylosis, Jody L. Edmunds, Brian E. Cole, James E. Cloern
1997, Open-File Report 97-598
As part of a regional monitoring program, water samples were collected in the San Francisco Bay estuary during 21 cruises from January through December 1996. Conductivity, temperature, light attenuation, turbidity, oxygen, and in-vivo chlorophyll fluorescence were measured longitudinally and vertically in the main channel of the estuary from south of...
Results of soil, ground-water, surface-water, and streambed-sediment sampling at Air Force Plane 85, Columbus, Ohio, 1996
J. M. Parnell
1997, Open-File Report 97-641
The U.S. Geological Survey (USGS), in cooperation with Aeronautical Systems Center, Environmental Management Directorate, Restoration Division, prepared the Surface- and Ground- Water Monitoring Work Plan for Air Force Plant 85 (AFP 85 or Plant), Columbus, Ohio, under the Air Force Installation Restoration Program to characterize any ground-water, surface-water, and soil...
Snow and ice volume on Mount Spurr Volcano, Alaska, 1981
Rod S. March, Lawrence R. Mayo, Dennis C. Trabant
1997, Water-Resources Investigations Report 97-4142
Mount Spurr (3,374 meters altitude) is an active volcano 130 kilometers west of Anchorage, Alaska, with an extensive covering of seasonal and perennial snow, and glaciers. Knowledge of the volume and distribution of snow and ice on a volcano aids in assessing hydrologic hazards such as floods, mudflows, and debris...
Spring contributions to water quantity and nitrate loads in the Suwannee River during base flow in July 1995
J. R. Pittman, H. H. Hatzell, E. T. Oaksford
1997, Water-Resources Investigations Report 97-4152
The Suwannee River flows through an area of north-central Florida where ground water has elevated nitrate concentrations. A study was conducted to determine how springs and other ground-water inflow affect the quantity and quality of water in the Suwannee River. The study was done on a 33-mile (mi) reach of...
Effect of faulting on ground-water movement in the Death Valley Region, Nevada and California
Claudia C. Faunt
1997, Water-Resources Investigations Report 95-4132
This study characterizes the hydrogeologic system of the Death Valley region, an area covering approximately 100,000 square kilometers. The study also characterizes the effects of faults on ground-water movement in the Death Valley region by synthesizing crustal stress, fracture mechanics, and structural geologic data. The geologic conditions are typical of...
Dynamic deformations and the M6.7, Northridge, California earthquake
Joan S. Gomberg
1997, Soil Dynamics and Earthquake Engineering (16) 471-494
A method of estimating the complete time-varying dynamic formation field from commonly available three-component single station seismic data has been developed and applied to study the relationship between dynamic deformation and ground failures and structural damage using observations from the 1994 Northridge, California earthquake. Estimates from throughout the epicentral region...
A Hydrogeologic Map of the Death Valley Region, Nevada and California, Developed Using GIS Techniques
Claudia C. Faunt, Frank A. D’Agnese, A. Keith Turner
1997, Water-Resources Investigations Report 95-4016
In support of Yucca Mountain site characterization studies, a hydrogeologic framework was developed, and a hydrogeologic map was constructed for the Death Valley region. The region, covering approximately 100,000 km 2 along the Nevada-California border near Las Vegas, is characterized by isolated mountain ranges juxtaposed against broad, alluvium-filled valleys. Geologic...
Status of ground-water resources at U.S. Navy support facility, Diego Garcia; summary of hydrologic and climatic data, January 1995 through June 1997
J.D. Torikai
1997, Open-File Report 97-418
Hydrology, sedimentology, and biology of Ellison Park wetland at the mouth of Irondequoit Creek near Rochester, New York
W.F. Coon
1997, Water-Resources Investigations Report 96-4269
Eutrophication potential of Payette Lake, Idaho
Paul F. Woods
1997, Water-Resources Investigations Report 97-4145
Payette Lake was studied during water years 1995-96 to determine the 20.5-square-kilometer lake's assimilative capacity for nutrients and, thus, its eutrophication potential. The study included quantification of hydrologic and nutrient budgets, characterization of water quality in the limnetic and littoral zones, development of an empirical nutrient load/lake response model, and...