Water-quality trend analysis and sampling design for the Souris River, Saskatchewan, North Dakota, and Manitoba
Aldo V. Vecchia
2000, Water-Resources Investigations Report 2000-4019
The Souris River Basin is a 24,600-square-mile basin located in southeast Saskatchewan, north-central North Dakota, and southwest Manitoba. The Souris River Bilateral Water Quality Monitoring Group, formed in 1989 by the governments of Canada and the United States, is responsible for documenting trends in water quality in the Souris River...
Concentrations of Escherichia Coli in Streams in the Upper Wabash River Watershed in Indiana, June-September 1998
Cheryl A. Silcox, David C. Voelker, Timothy C. Willoughby
2000, Water-Resources Investigations Report 2000-4021
Water samples collected from 46 stream sites in the Upper Wabash River Watershed from June through September 1998 were analyzed for concentrations of the bacteria Escherichia coli (E. coli). Each site was sampled five times in a 30-day period. Twenty-one sites were sampled during June and July, and 25 sites...
Design, revision, and application of ground-water flow models for simulation of selected water-management scenarios in the coastal area of Georgia and adjacent parts of South Carolina and Florida
John S. Clarke, Richard E. Krause
2000, Water-Resources Investigations Report 2000-4084
Ground-water flow models of the Floridan aquifer system in the coastal area of Georgia and adjacent parts of South Carolina and Florida, were revised and updated to ensure consistency among the various models used, and to facilitate evaluation of the effects of pumping on the ground-water level near areas of...
Quantifying submarine groundwater discharge to Indian River Lagoon, Florida
Peter W. Swarzenski, J.B. Martin, J.E. Cable, M.K. Lindenberg, Betsy Boynton, Rita Bowker, G.C. Sigua
2000, Open-File Report 2000-492
Reconstructing historical changes in the environmental health of watersheds by using sediment cores from lakes and reservoirs in Salt Lake Valley, Utah
David L. Naftz, Doyle W. Stephens, Edward Callender, Peter C. Van Metre
2000, Fact Sheet 164-00
The Great Salt Lake Basins study area of the National Water-Quality Assessment (NAWQA) program, which began in 1997, is increasing the scientific understanding of factors that affect surface-water quality within the study-area boundaries (fig. 1). One way to improve the understanding of these factors is to look at historical trends...
Effects of hypothetical management scenarios on simulated water temperatures in the Tualatin River, Oregon
John C. Risley
2000, Water-Resources Investigations Report 2000-4071
In 1994, the U.S. Geological Survey (USGS) and the Unified Sewerage Agency of Washington County, Oregon (USA) began a cooperative study to better understand water-temperature variations in the Tualatin River and to assess mitigative water-management solutions. Continuous water-temperature data were collected at locations along the main stem of the river...
Sustainable-yield estimation for the Sparta Aquifer in Union County, Arkansas
Phillip D. Hays
2000, Water-Resources Investigations Report 99-4274
Options for utilizing alternative sources of water to alleviate overdraft from the Sparta aquifer and ensure that the aquifer can continue to provide abundant water of excellent quality for the future are being evaluated by water managers in Union County. Sustainable yield is a critical element in identifying and designing...
Pesticides in surface waters of the upper Colorado River basin, Colorado, 1996-98
Nancy J. Bauch, Norman E. Spahr
2000, Water-Resources Investigations Report 2000-4005
Forty-four river, stream, and drain sites in the Upper Colorado River Basin in Colorado were sampled during 1996?98 to determine the occurrence and distribution of pesticides in the basin. In a fixed-station study, 57 surface-water samples were collected from October 1996 through January 1998 at four sites. Each site was...
Traveltime data for Truckee River between Tahoe City, California, and Marble Bluff Dam near Nixon, Nevada, 1999
E. James Crompton, Larry R. Bohman
2000, Open-File Report 2000-363
Geophysical constraints on the Virgin River Depression, Nevada, Utah, and Arizona
Victoria E. Langenheim, J. M. Glen, R.C. Jachens, G. L. Dixon, T.C. Katzer, R. L. Morin
2000, Open-File Report 2000-407
Gravity and aeromagnetic data provide insights into the subsurface lithology and structure of the Virgin River Depression (VRD) of Nevada, Utah, and Arizona. The gravity data indicate that the Quaternary and Tertiary sedimentary deposits hide a complex pre-Cenozoic surface. A north-northwest-trending basement ridge separates the Mesquite and Mormon basins, as...
Arsenic in ground water in Shiawassee County, Michigan
Sheridan K. Haack, Cynthia M. Rachol
2000, Fact Sheet 131-00
Previous studies of ground-water resources in Michigan by the Michigan Department of Community Health (MDCH), the Michigan Department of Environmental Quality (MDEQ), and the U.S. Geological Survey (USGS) indicate that in several counties in the southeastern part of the State the concentrations of arsenic in ground water may exceed the...
Delineation of discharge areas of two contaminant plumes by use of diffusion samplers, Johns Pond, Cape Cod, Massachusetts, 1998
Jennifer G. Savoie, D.R. LeBlanc, D.S. Blackwood, T.D. McCobb, R.R. Rendigs, Scott Clifford
2000, Water-Resources Investigations Report 2000-4017
Diffusion samplers were installed in the bottom of Johns Pond, Cape Cod, Massachusetts, to confirm that volatile organic compounds from the Storm Drain-5 (SD-5) plume emanating from the Massachusetts Military Reservation (MMR) were discharging into the pond. An array of 134 vapor-diffusion samplers was buried by divers about 0.5 feet...
Rock-fall hazard assessment of the Aspen Forest Trail, Navajo National Monument, Arizona
Gerald F. Wieczorek, Edwin L. Harp
2000, Open-File Report 2000-305
Selected organic compounds and trace elements in streambed sediments and fish tissues, Cook Inlet Basin, Alaska
Steven A. Frenzel
2000, Water-Resources Investigations Report 2000-4004
Organochlorines, semivolatile organic compounds (SVOCs), and trace elements were investigated in streambed sediments and fish tissues at selected sites in the Cook Inlet Basin, Alaska, during 1998. At most sites, SVOCs and organochlorine compounds were either not detected or detected at very low concentrations. Chester Creek at Arctic Boulevard at...
Water quality at basic fixed sites in the upper Colorado River basin National Water-Quality Assessment study unit, October 1995-September 1998
Norman E. Spahr, Robert W. Boulger, Richard J. Szmajter
2000, Water-Resources Investigations Report 99-4223
The Upper Colorado River Basin study unit of the U.S. Geological Survey National Water-Quality Assessment Program consists of the Colorado River watershed upstream from near the Colorado-Utah State line. The basin is about equally divided between the Southern Rocky Mountains and the Colorado Plateau physiographic provinces. Data were collected at...
Water quality in the upper Tennessee River basin, Tennessee, North Carolina, Virginia, and Georgia 1994-98
Paul S. Hampson, M.W. Treece Jr., Gregory C. Johnson, Steven A. Ahlstedt, Joseph F. Connell
2000, Circular 1205
This report summarizes major findings about water quality in the upper Tennessee River basin that emerged from an assessment conducted between 1994 and 1998 by the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Program. Water quality is discussed in terms of local and regional issues and compared to conditions...
Computed roughness coefficients for Skunk Creek above Interstate 17, Maricopa County, Arizona
Christie M. O’Day, Jeff V. Phillips
2000, Water-Resources Investigations Report 99-4248
In the winter of 1997-98, the U.S. Geological Survey, in cooperation with the Flood Control District of Maricopa County, made six verification measurements for Manning's roughness coefficients at Skunk Creek above Interstate 17. Data from four floodflows were recorded and analyzed, three of these flows occurred in February 1998 when...
Storage capacity and sedimentation of Loch Lomond Reservoir, Santa Cruz County, California, 1998
Kelly R. McPherson, Jerry G. Harmon
2000, Water-Resources Investigations Report 2000-4016
In 1998, a bathymetric survey was done to determine the storage capacity and the loss of capacity owing to sedimentation of Loch Lomond Reservoir in Santa Cruz County, California. Results of the survey indicate that the maximum capacity of the reservoir is 8,991 acre-feet in November 1998. The results of...
Arsenic in ground water in Washtenaw County, Michigan
Sheridan K. Haack, Cynthia M. Rachol
2000, Fact Sheet 134-00
Previous studies of ground-water resources in Michigan by the Michigan Department of Community Health (MDCH), the Michigan Department of Environmental Quality (MDEQ), and the U.S. Geological Survey (USGS) indicate that in several counties in the southeastern part of the State the concentrations of arsenic in ground water may exceed the...
Arsenic in ground water in Sanilac County, Michigan
Sheridan K. Haack, Cynthia M. Rachol
2000, Fact Sheet 132-00
Previous studies of ground-water resources in Michigan by the Michigan Department of Community Health (MDCH), the Michigan Department of Environmental Quality (MDEQ), and the U.S. Geological Survey (USGS) indicate that in several counties in the southeastern part of the State the concentrations of arsenic in ground water may exceed the...
Quality of wet deposition in the Grand Calumet River Watershed, northwestern Indiana, October 17, 1995–November 12, 1996
Timothy C. Willoughby
2000, Water-Resources Investigations Report 1999–4253
In June 1992, a wet-deposition collection site was established at the Gary (Indiana) Regional Airport to monitor the quantity and chemical quality of wet deposition. During the first phase of sampling, 48 wet-deposition samples were collected between June 30, 1992, and August 31, 1993. A second phase of sampling began...
Deposition and chemistry of bottom sediments in Cochiti Lake, north-central New Mexico
Jennifer T. Wilson, Peter C. Van Metre
2000, Water-Resources Investigations Report 99-4258
Bottom sediments were sampled at seven sites in Cochiti Lake in September 1996. Sediment cores penetrating the entire lacustrine sediment sequence were collected at one site near the dam. Surficial sediments were sampled at the near-dam site and six other sites located along the length of the reservoir. Analyses included...
Geothermal hydrology of Valles Caldera and the southwestern Jemez Mountains, New Mexico
Frank W. Trainer, Robert J. Rogers, M.L. Sorey
2000, Water-Resources Investigations Report 2000-4067
The Jemez Mountains in north-central New Mexico are volcanic in origin and have a large central caldera known as Valles Caldera. The mountains contain the Valles geothermal system, which was investigated during 1970-82 as a source of geothermal energy. This report describes the geothermal hydrology of the Jemez Mountains and...
Aquifer-system compaction and land subsidence: Measurements, analyses, and simulations – The Holly Site, Edwards Air Force Base, Antelope Valley, California
Michelle Sneed, Devin L. Galloway
2000, Water-Resources Investigations Report 2000-4015
Land subsidence resulting from ground-water-level declines has long been recognized as a problem in Antelope Valley, California. At Edwards Air Force Base (EAFB), ground-water extractions have caused more than 150 feet of water-level decline, resulting in nearly 4 feet of subsidence. Differential land subsidence has caused sinklike depressions and earth...
Temperatures and water potentials in shallow unsaturated alluvium next to a burial site for low-level radioactive waste, Amargosa Desert, Nye County, Nevada, 1987-96
Mary L. Tumbusch, David E. Prudic
2000, Water-Resources Investigations Report 99-4261
No abstract available....
