Evaluation of a monitoring program for assessing the effects of management practices on the quantity and quality of drainwater from the Panoche Water District, western San Joaquin Valley, California
David A. Leighton, John L. Fio
1995, Open-File Report 95-731
An evaluation was made of an existing monitoring program in the Panoche Water District for 1986-93. The Panoche Water District is an agricultural area located in the western San Joaquin Valley of California. Because irrigation drainage from this area has high concentrations of dissolved solids and selenium, management strategies have...
Application of a sediment-transport model to estimate bridge scour at selected sites in Colorado, 1991-93
J. E. Vaill
1995, Water-Resources Investigations Report 95-4179
A bridge-scour study by the U.S. Geological Survey, in cooperation with the Colorado Department of Transportation, was begun in 1991 to evaluate bridges in the State for potential scour during floods. A part of that study was to apply a computer model for sediment-transport routing to simulate channel aggradation or...
Distribution of carbonate-rock aquifers and the potential for their development, southern Nevada and adjacent parts of California, Arizona, and Utah
M. D. Dettinger, J. R. Harrill, D. L. Schmidt, J.W. Hess
1995, Water-Resources Investigations Report 91-4146
In 1985, the State of Nevada entered into a cooperative effort with the U.S. Department of the Interior to study and test the State's carbonate- rock aquifers. The studies were focused on southern Nevada and were intended to address the following concerns: Where is water potentially available in the aquifers?;...
Flow duration of Kentucky streams through 1990; historical and monthly flow characteristics, including the effects of reservoirs
K.J. Ruhl, R.J. Burns, G. R. Martin, D.P. Allgeier
1995, Open-File Report 95-353
This report presents flow-duration tables and plots for selected streamflow sites in Kentucky with three or more years of continuous record through 1990. Flow duration describes the frequency with which given streamflows are equalled or exceeded. The flow-duration tables were computed using daily mean discharge values for the entire period...
Geology, Streamflow, and Water Chemistry of the Talufofo Stream Basin, Saipan, Northern Mariana Islands
Scot K. Izuka, Charles J. Ewart III
1995, Water-Resources Investigations Report 95-4183
A study of the geology, streamflow, and water chemistry of Talufofo Stream Basin, Saipan, Commonwealth of the Northern Mariana Islands, was undertaken to determine the flow characteristics of Talufofo Stream and the relation to the geology of the drainage basin. The Commonwealth government is exploring the feasibility of using water...
Geohydrology and water quality of the Durham Center Area, Durham, Connecticut
R.L. Melvin, J. R. Stone, P. A. Craft, J.W. Lane Jr., B.S. Davies III
1995, Water-Resources Investigations Report 94-4237
Contaminated ground water is widespread and persistent beneath the Durham Center area in the town of Durham, Conn. Most of the contaminants are organic halides, usually trichloroethene, 1,1,1-trichloroethane, and tetrachloroethene. Less extensive chemical contamination of surface water, soil, and glacial sediments also has been detected. Two manufacturing companies, located at...
Water-quality conditions at selected landfills in Mecklenburg County, North Carolina, 1986-92
G.M. Ferrell, D.G. Smith
1995, Water-Resources Investigations Report 95-4067
Water-quality conditions at five municipal landfills in Mecklenburg County, North Carolina, were studied during 1986-92. Analytical results of water samples from monitoring wells and streams at and near the landfills were used to evaluate effects of leachate on surface and ground water. Ground-water levels at monitoring wells were used to...
Streamflow, ground-water recharge and discharge, and characteristics of surficial deposits in Buzzards Bay basin, southeastern Massachusetts
Gardner C. Bent
1995, Water-Resources Investigations Report 95-4234
Streamflows exceeded between 50 and 99 percent of the time during water years 1967-91 were estimated for 14 low-flow partial-record stations and two discontinued streamflow-gaging stations in Buzzards Bay Basin, Massachusetts. At low flows, stream discharge per unit area for subbasins underlain primarily by stratified-drift deposits was several times greater...
Flood of 1993—Mississippi River near the Jefferson National Expansion Memorial (Arch), St. Louis, Missouri
Rodney E. Southard, Brenda J. Smith
1995, Fact Sheet 188-95
River-flow data have been collected on the Mississippi River at St. Louis near the Jefferson National Expansion Memorial (Arch) since 1861. Water at this location is excess river flow from 13 States and part of Canada (drainage area of about 697,000 square miles). Many disaster conditions, including floods and droughts,...
Water-quality assessment in the Trinity River Basin, Texas: Nutrient concentrations in streams winter and spring 1994
Allison A. Shipp
1995, Fact Sheet 231-95
A consistent, basin-wide set of data for streams in the Trinity River Basin is a necessary baseline to compare current conditions with historical data and to provide a reference for future studies. In addition, the basin-wide surveys begin the process of addressing the cause-effect relations for water quality in the...
Geochemistry of ground water in the Gallup, Dakota, and Morrison aquifers, San Juan Basin, New Mexico
W. L. Dam
1995, Water-Resources Investigations Report 94-4253
Ground water was sampled from wells completed in the Gallup, Dakota, and Morrison aquifers in the San Juan Basin, New Mexico, to examine controls on solute concentrations. Samples were collected from 38 wells primarily from the Morrison aquifer (25 wells) in the northwestern part of the basin. A series of samples was collected...
Water levels in the Calumet aquifer and their relation to surface-water levels in northern Lake County, Indiana, 1985-92
Theodore K. Greeman
1995, Water-Resources Investigations Report 94-4110
The U.S. Geological Survey made 2,328 water-level measurements at a total of 96 ground-water and surface-water sites in northern Lake County, Indiana, from August 1985 through September 1992. This report lists and summarizes the significance of the measurements. Northern Lake County is on the southern shore of Lake Michigan and...
Base-flow characteristics of streams in the Valley and Ridge, Blue Ridge, and Piedmont physiographic provinces of Virginia
D.L. Nelms, G.E. Harlow Jr., Donald C. Hayes
1995, Open-File Report 95-298
Growth within the Valley and Ridge, Blue Ridge, and Piedmont Physiographic Provinces of Virginia has focused concern about allocation of surface-water flow and increased demands on the ground-water resources. The purpose of this report is to (1) describe the base-flow characteristics of streams, (2) identify regional differences in these flow...
Potential hazards from flood in part of the Chalone Creek and Bear Valley drainage basins, Pinnacles National Monument, California
Robert W. Meyer
1995, Open-File Report 95-426
Areas of Chalone Creek and Bear Valley drainage basins in Pinnacles National Monument, California, are subject to frontal storms that can cause major flooding from November to April in areas designated for public use. To enhance visitor safety and to protect cultural and natural resources, the U.S. Geological Survey in...
Geohydrology and water quality of stratified-drift aquifers in the middle Merrimack River basin, south-central New Hampshire
Joseph D. Ayotte, Kenneth W. Toppin
1995, Water-Resources Investigations Report 92-4192
The U.S. Geological Survey, in cooperation with the State of New Hampshire, Department of Environmental Services, Water Resources Division has assessed the geohydrology and water quality of stratified-drift aquifers in the middle Merrimack River basin in south-central New Hampshire. The middle Merrimack River basin drains 469 square miles; 98 square...
Hydrology of Laguna Joyuda, Puerto Rico
Luis Santiago-Rivera, Vicente Quinones-Aponte
1995, Water-Resources Investigations Report 93-4135
A study was conducted by the U.S. Geological Survey to define the hydraulic and hydrologic characteristics of the Laguna Joyuda system (in southwestern Puerto Rico) and to determine the water budget of the lagoon. This shallow-water lagoon is connected to the sea by a single canal. Rainfall and evaporation, surface-water,...
Water-quality assessment of the Trinity River Basin, Texas— Analysis of available information on nutrients and suspended sediment, 1974-91
Peter C. Van Metre, David C. Reutter
1995, Water-Resources Investigations Report 94-4086
The U.S. Geological Survey is conducting an assessment of water quality in the Trinity River Basin as part of the National Water-Quality Assessment Program. During the planning phase of this study, existing information on nutrients and suspended sediment was compiled and analyzed. A total of about 5,700 water-quality samples were...
Computation of bedrock-aquifer recharge in northern Westchester County, New York, and chemical quality of water from selected bedrock wells
Stephen W. Wolcott, Robert F. Snow
1995, Water-Resources Investigations Report 92-4157
An empirical technique was used to calculate the recharge to bedrock aquifers in northern Westchester County. This method requires delineation of ground-water divides within the aquifer area and values for (1) the extent of till and exposed bedrock within the aquifer area, and (2) mean annual runoff. This report contains...
Hydrologic data and description of a hydrologic monitoring plan for the Borax Lake area, Oregon
Tiffany Rae Schneider, William D. McFarland
1995, Open-File Report 95-367
Borax Lake is located in southeastern Oregon, within the Alvord Valley Known Geothermal Resource Area. Borax Lake is a large hot spring; there are more than 50 smaller hot springs within about one-half mile to the north of the lake. Several geothermal exploration wells have been drilled near Borax Lake,...
Use of surface and borehole geophysics to delineate the glacial-drift stratigraphy of northeastern St. Joseph County, Indiana
E. Randall Bayless, David B. Westjohn, Lee R. Watson
1995, Water-Resources Investigations Report 95-4041
Inverse models of direct current electrical- resistivity sounding data and normal-resistivity and natural-gamma logs were used to assist delineation of the glacial-drift stratigraphy in a 580-square- kilometer area of northeastern St. Joseph County, Indiana. Unconsolidated deposits in the study area are composed of glacial-drift, including outwash, till, and lacustrine sediments;...
Geohydrology, water quality, and conceptual model of the hydrologic system Saco Landfill area, Saco, Maine
M.G. Nielsen, J. R. Stone, B. P. Hansen, J.P. Nielsen
1995, Water-Resources Investigations Report 95-4027
A geohydrologic study of the Saco Municipal Landfill in Saco, Maine, was done during 1993-94 to provide a preliminary interpretation of the geology and hydrology needed to guide additional studies at the landfill as part of the Superfund Program. The Saco Landfill, which was active from the early 1960's until...
Hydrogeology and water quality of the Mississippi River alluvium near Muscatine, Iowa, June 1992 through June 1994
K.J. Lucey, R.L. Kuzniar, J.P. Caldwell
1995, Water-Resources Investigations Report 95-4049
A study of the Mississippi River alluvium near Muscatine, Iowa, was conducted to evaluate ground-water flow and water quality using data collected from June 1992 through June 1994. The study area included approximately 80 square miles in parts of Muscatine and Louisa Counties in Iowa and Rock Island and Mercer...
Index of stations— Surface-water data-collection network of Texas, September 1993
1995, Open-File Report 95-161
The U.S. Geological Survey's investigations of the water resources of Texas are conducted in cooperation with the Texas Water Development Board, river authorities, cities, counties, U.S. Army Corps of Engineers, Bureau of Reclamation, International Boundary and Water Commission, and others. Investigations are under the general direction of R.O. Hawkinson, District Chief,...
Water-quality characteristics of streams in the Treyburn Development area of Falls Lake watershed, North Carolina, 1988-93
R. G. Garrett, J. D. Bales
1995, Water-Resources Investigations Report 95-4094
Treyburn is a 5,400 acre planned, mixed-use community located in the Falls Lake watershed in the upper Neuse River Basin of North Carolina. From February 1988 through 1993, hydrologic-data were collected at 17 study sites in or near the Treyburn development to compare the effects of varying types of land-use...
Statistical summaries of streamflow data for selected gaging stations in Idaho and western Wyoming through September 1990 — Volume 2: Gaging stations with 5 to 9 years of record or that measure discharge from springs
L.C. Kjelstrom, M. A. J. Stone, W. A. Harenberg
1995, Water-Resources Investigations Report 94-4070
This volume presents statistical summaries of streamflow data for 76 gaging stations with 5 to 9 years of continuous record, or with records of discharge measurements from springs, through September 1990. The gaging stations are located in Idaho and western Wyoming. Some of the gaging stations at which spring discharge...