Estimates of natural ground-water discharge and characterization of water quality in Dry Valley, Washoe County, West-Central Nevada, 2002-2003
David L. Berger, Douglas K. Maurer, Thomas J. Lopes, Keith J. Halford
2004, Scientific Investigations Report 2004-5155
The Dry Valley Hydrographic Area is being considered as a potential source area for additional water supplies for the Reno-Sparks area, which is about 25 miles south of Dry Valley. Current estimates of annual ground-water recharge to Dry Valley have a considerable range. In undeveloped valleys, such as Dry Valley,...
Estimation of travel times for seven tributaries of the Mississippi River, St. Cloud to Minneapolis, Minnesota, 2003
A.D. Arntson, D. L. Lorenz, J. R. Stark
2004, Scientific Investigations Report 2004-5192
Travel times for seven streams tributary to the Mississippi River from St. Cloud to Minneapolis, Minnesota, were estimated for three flow conditions; low, median, and high. Travel times were estimated for Sauk, Elk, Crow, and Rum Rivers, and Elm, Coon, and Rice Creeks. Regression equations based on watershed characteristics of...
Chloride in ground water and surface water in the vicinity of selected surface-water sampling sites of the beneficial use monitoring program of Oklahoma, 2003
Shana L. Mashburn, Michael P. Sughru
2004, Scientific Investigations Report 2004-5060
The Oklahoma Water Resources Board Beneficial Use Monitoring Program reported exceedances of beneficial-use standards for chloride at 11 surface-water sampling sites from January to October 2002. The U.S. Geological Survey, in cooperation with the Oklahoma Department of Environmental Quality, conducted a study to determine the chloride concentrations in ground water...
Virus fate and transport during recharge using recycled water at a research field site in the Montebello Forebay, Los Angeles County, California, 1997-2000
Robert Anders, William A. Yanko, Roy A. Schroeder, James L. Jackson
2004, Scientific Investigations Report 2004-5161
Total and fecal coliform bacteria distributions in subsurface water samples collected at a research field site in Los Angeles County were found to increase from nondetectable levels immediately before artificial recharge using tertiary-treated municipal wastewater (recycled water). This rapid increase indicates that bacteria can move through the soil with the...
Hydrogeology and simulation of ground-water flow and land-surface subsidence in the northern part of the Gulf Coast aquifer system, Texas
Mark C. Kasmarek, James L. Robinson
2004, Scientific Investigations Report 2004-5102
As a part of the Texas Water Development Board Ground- Water Availability Modeling program, the U.S. Geological Survey developed and tested a numerical finite-difference (MODFLOW) model to simulate ground-water flow and land-surface subsidence in the northern part of the Gulf Coast aquifer system in Texas from predevelopment (before 1891) through...
Hydrodynamic simulation and particle-tracking techniques for identification of source areas to public-water intakes on the St. Clair-Detroit River waterway in the Great Lakes Basin
David J. Holtschlag, John A. Koschik
2004, Scientific Investigations Report 2004-5072
Source areas to public water intakes on the St. Clair-Detroit River Waterway were identified by use of hydrodynamic simulation and particle-tracking analyses to help protect public supplies from contaminant spills and discharges. This report describes techniques used to identify these areas and illustrates typical results using selected points on St....
Pesticides detected in urban streams in King County, Washington, 1998-2003
Lonna M. Frans
2004, Scientific Investigations Report 2004-5194
The U.S. Geological Survey and the King County Department of Natural Resources collected water samples from 14 sites on urban streams in King County during storms and during base flow between 1998 and 2003. The samples were analyzed for the presence of 155 pesticides and pesticide transformation products. Thirty-nine of...
Sediment quality in the north coastal basin of Massachusetts, 2003
Robert F. Breault, Mary S. Ashman, Douglas Heath
2004, Scientific Investigations Report 2004-5110
The U.S. Geological Survey, in cooperation with the Massachusetts Department of Environmental Protection, completed a reconnaissance-level study of bottom-sediment quality in selected lakes, rivers, and estuaries in the North Coastal Basin of Massachusetts. Bottom-sediment grab samples were collected from 20 sites in the North River, Lake Quannapowitt, Saugus River, Mill...
Simulation of ground-water flow and evaluation of water-management alternatives in the Assabet River Basin, Eastern Massachusetts
Leslie A. DeSimone
2004, Scientific Investigations Report 2004-5114
Water-supply withdrawals and wastewater disposal in the Assabet River Basin in eastern Massachusetts alter the flow and water quality in the basin. Wastewater discharges and stream-flow depletion from ground-water withdrawals adversely affect water quality in the Assabet River, especially during low-flow months (late summer) and in headwater areas. Streamflow depletion...
Ground-water quality of selected basin-fill aquifers of the Northern Rockies Intermontane Basins in Montana, Idaho, and Washington
Rodney R. Caldwell, Craig L. Bowers, DeAnn M. Dutton
2004, Scientific Investigations Report 2004-5052
Updated computations and estimates of streamflows tributary to Carson Valley, Douglas County, Nevada, and Alpine County, California, 1990-2002
Douglas K. Maurer, Sharon A. Watkins, Robert L. Burrowws
2004, Scientific Investigations Report 2004-5179
Rapid population growth in Carson Valley has caused concern over the continued availability of water resources to sustain future growth. The U.S. Geological Survey, in cooperation with Douglas County, began a study to update estimates of water-budget components in Carson Valley for current climatic conditions. Data collected at 19 sites...
Seepage study of Mapleton Lateral Canal near Mapleton, Utah, 2003
Chris D. Wilkowske, Jeff V. Phillips
2004, Scientific Investigations Report 2004-5210
A study was conducted during the summer of 2003 on Mapleton Lateral Canal near Mapleton, Utah, to determine gain or loss of flow in the canal from seepage. Measurements were made in May, June, July, and September of 2003. The uppermost reach of the canal had an apparent average loss...
Magnitude and Frequency of Floods on Small Rural Streams in Alabama
Timothy S. Hedgecock
2004, Scientific Investigations Report 2004-5135
Equations for estimating the magnitude and frequency of floods for small rural streams in Alabama are presented for recurrence intervals ranging from 2 to 500 years. Floodfrequency characteristics are documented for 43 streamflow gaging stations included in the analysis. Each station used has a drainage area less than 15 square...
Water resources of the Tulalip Indian Reservation and adjacent area, Snohomish County, Washington, 2001-03
Lonna M. Frans, David L. Kresch
2004, Scientific Investigations Report 2004-5166
This study was undertaken to improve the understanding of water resources of the Tulalip Plateau area, with a primary emphasis on the Tulalip Indian Reservation, in order to address concerns of the Tulalip Tribes about the effects of current and future development, both on and off the Reservation, on their...
Water-quality and biological conditions in the Lower Boise River, Ada and Canyon Counties, Idaho, 1994-2002
Dorene E. MacCoy
2004, Scientific Investigations Report 2004-5128
The water quality and biotic integrity of the lower Boise River between Lucky Peak Dam and the river's mouth near Parma, Idaho, have been affected by agricultural land and water use, wastewater treatment facility discharge, urbanization, reservoir operations, and river channel alteration. The U.S. Geological Survey (USGS) and cooperators have...
Surface geophysical investigation of the areal and vertical extent of metallic waste at the former Tyson Valley Powder Farm near Eureka, Missouri, Spring 2004
Lyndsay B. Ball, Wade H. Kress, Eric D. Anderson, Andrew Teeple, James W. Ferguson, Charles R. Colbert
2004, Scientific Investigations Report 2004-5208
The former Tyson Valley Powder Farm near Eureka, Missouri, was used primarily as a storage facility for the production of small arms ammunition during 1941?47 and 1951?61. A secondary use of the site was for munitions testing and disposal. Surface exposures of small arms waste, characterized by brass shell casings...
Sediment remobilization of Mercury in South San Francisco Bay, California
Brent R. Topping, James S. Kuwabara, Mark C. Marvin-DisPasquale, Jennifer L. Agee, Le H. Kieu, John R. Flanders, Francis Parcheso, Stephen W. Hager, Cary B. Lopez, David P. Krabbenhoft
2004, Scientific Investigations Report 2004-5196
No abstract available....
Assessing the susceptibility to contamination of two aquifer systems used for public water supply in the Modesto and Fresno metropolitan areas, California, 2001 and 2002
Michael T. Wright, Kenneth Belitz, Tyler D. Johnson
2004, Scientific Investigations Report 2004-5149
Ground-water samples were collected from 90 active public supply wells in the Fresno and Modesto metropolitan areas as part of the California Aquifer Susceptibility (CAS) program. The CAS program was formed to examine the susceptibility to contamination of aquifers that are tapped by public supply wells to serve the citizens...
Conceptual model and numerical simulation of the ground-water-flow system in the unconsolidated deposits of the Colville River Watershed, Stevens County, Washington
D. Matthew Ely, Sue C. Kahle
2004, Scientific Investigations Report 2004-5237
Increased use of ground- and surface-water supplies in watersheds of Washington State in recent years has created concern that insufficient instream flows remain for fish and other uses. Issuance of new ground-water rights in the Colville River Watershed was halted by the Washington Department of Ecology due to possible hydraulic...
Death Valley regional ground-water flow system, Nevada and California -- hydrogeologic framework and transient ground-water flow model
Wayne R. Belcher, editor(s)
2004, Scientific Investigations Report 2004-5205
A numerical three-dimensional (3D) transient ground-water flow model of the Death Valley region was developed by the U.S. Geological Survey for the U.S. Department of Energy programs at the Nevada Test Site and at Yucca Mountain, Nevada. Decades of study of aspects of the ground-water flow system and previous less...
Ground-water hydrology and water quality of the southern high plains aquifer, Melrose Air Force Range, Cannon Air Force Base, Curry and Roosevelt Counties, New Mexico, 2002-03
Jeff B. Langman, Fredrick E. Gebhardt, Sarah E. Falk
2004, Scientific Investigations Report 2004-5158
In cooperation with the U.S. Air Force, the U.S. Geological Survey characterized the ground-water hydrology and water quality at Melrose Air Force Range in east-central New Mexico. The purpose of the study was to provide baseline data to Cannon Air Force Base resource managers to make informed decisions concerning actions...
Age and source of water in springs associated with the Jacksonville Thrust Fault Complex, Calhoun County, Alabama
James L. Robinson
2004, Scientific Investigations Report 2004-5145
Water from wells and springs accounts for more than 90 percent of the public water supply in Calhoun County, Alabama. Springs associated with the Jacksonville Thrust Fault Complex are used for public water supply for the cities of Anniston and Jacksonville. The largest ground-water supply is Coldwater Spring, the primary...
Status of water levels and selected water-quality conditions in the Sparta-Memphis aquifer in Arkansas and the Sparta aquifer in Louisiana, spring-summer 2001
T.P. Schrader
2004, Scientific Investigations Report 2004-5055
During the spring of 2001, water levels were measured in 427 wells in the Sparta-Memphis aquifer in Arkansas and the Sparta aquifer in Louisiana. Water-quality samples were collected for temperature and specific-conductance measurements during the spring and summer of 2001 from 150 wells in Arkansas in the Sparta-Memphis aquifer. Dissolved...
Occurrence and distribution of trace elements in snow, streams, and streambed sediments, Cape Krusenstern National Monument, Alaska, 2002-2003
Timothy P. Brabets
2004, Scientific Investigations Report 2004-5229
Cape Krusenstern National Monument is located in Northwest Alaska. In 1985, an exchange of lands and interests in lands between the Northwest Alaska Native Association and the United States resulted in a 100-year transportation system easement for 19,747 acres in the monument. A road was then constructed along the easement...
Preliminary investigation of structural controls of ground-water movement in Pipe Spring National Monument, Arizona
Margot Truini, John B. Fleming, Herb A. Pierce
2004, Scientific Investigations Report 2004-5082
Pipe Spring National Monument, near the border of Arizona and Utah, includes several low-discharge springs that are the primary natural features of the monument. The National Park Service is concerned about the declines in spring discharge. Seismic-refraction and frequency-domain electromagnetic-induction methods were employed in an attempt to better understand the...