Two-dimensional, steady-state model of ground-water flow, Nevada Test Site and vicinity, Nevada-California
R. K. Waddell
1982, Water-Resources Investigations Report 82-4085
A two-dimensional, steady-state model of ground-water flow beneath the Nevada Test Site and vicinity has been developed using inverse techniques. The area is underlain by clastic and carbonate rocks of Precambrian and Paleozoic age and by volcanic rocks and alluvium of Tertiary and Quaternary age that have been juxtaposed by...
Ground-water appraisal of the Pine Bush area, Albany County, New York
D. S. Snavely
1982, Water-Resources Investigations Report 82-4000
The 32-square-mile central part of the Pine Bush was studied to determine the availability of ground water in the surficial sand and to assess the quality of the water, especially with respect to phosphorous, nitrogen, and chloride. The surficial sand is from 5 to 150 feet thick and has a...
Characteristics of suspended sediment in the San Juan River near Bluff, Utah
K. R. Thompson, J. C. Mundorff
1982, Water-Resources Investigations Report 82-4104
Fluvial-sediment data were collected for the San Juan River near Bluff beginning in 1914 and terminating in 1980. A double-mass curve showed a change in relationship between annual suspended-sediment discharge and annual stream discharge between the water years 1941-44 and 73. Possible causes for these changes in laboratory procedures, and...
Floods of May 1981 in west-central Montana
Charles Parrett, R. J. Omang, J. A. Hull, John W. Fassler
1982, Water-Resources Investigations Report 82-33
Extensive flooding occurred in west-central Montana during May 22-23, 1981, as a result of a series of rainstorms. Flooding was particularly severe in the communities of East Helena, Belt, and Deer Lodge. Although no lives were lost, total flood damages were estimated by the Montana Disaster Emergency Services Division to...
Sedimentation in the East Branch Mahoning Creek basin, Clearfield and Jefferson Counties, Pennsylvania, June 1979 to June 1980
Kim L. Wetzel
1982, Water-Resources Investigations Report 81-69
Parts of the East Branch Mahoning Creek basin, a forested area of 29.6 square miles in west-central Pennsylvania, are disturbed by farming, surface mining, unpaved haul roads, eroding reclaimed areas, and logging. Streamflow was measured and water samples collected at a site upstream from the mouth from June 1979 to...
Reconnaissance of ground-water quality, eastern Snake River basin, Idaho
D. J. Parliman
1982, Water-Resources Investigations Report 82-4004
Water-quality, geologic, and hydrologic data were collected for 165 wells in the eastern Snake River basin, Idaho. Water-quality characteristics analyzed include specific conductance, pH, water temperature, major dissolved cations and anions, and coliform bacteria. Ground water from aquifers in all rock units is generally composed of calcium, magnesium, and bicarbonate...
Water-quality assessment of White River between Lake Sequoyah and Beaver Reservoir, Washington County, Arkansas
J. E. Terry, E. E. Morris, C. T. Bryant
1982, Water-Resources Investigations Report 82-4063
The Arkansas Department of Pollution Control and Ecology and U.S. Geological Survey conducted a water quality assessment be made of the White River and, that a steady-state digital model be calibrated and used as a tool for simulating changes in nutrient loading. The city of Fayetteville 's wastewater-treatment plant is...
Geologic and well-construction data for the H-8 borehole complex near the proposed Waste Isolation Pilot Plant site, southeastern New Mexico
J.G. Wells, S.L. Drellack
1982, Water-Resources Investigations Report 82-4118
The H-8 complex, a group of three closely-spaced boreholes, is located 9 miles south of the proposed Waste Isolation Pilot Plant site in southeastern Eddy County, New Mexico. The holes were drilled during July, August, and September of 1979 to obtain geologic and hydrologic data to better define the regional...
Base flow of streams on Long Island, New York
Richard J. Reynolds
1982, Water-Resources Investigations Report 81-48
On Long Island, base flow under nonurbanized conditions constitutes 90 to 95% of total stream discharge. Base-flow data from 19 continuously gaged streams are presented as monthly mean and annual mean discharge for water years 1960-75, which includes the 1962-66 drought. The data were derived by hydrograph-separation procedures that isolate...
Aquifer test results, Green Swamp area, Florida
C. H. Tibbals, Hayes F. Grubb
1982, Water-Resources Investigations Report 82-35
An aquifer test conducted in the Green Swamp area December 15-16 , 1975 was designed to stress the uppermost part of the Floridan aquifer so that the leakage characteristics of the overlying confining bed could be determined. A well tapping the upper part of the Floridan aquifer was pumped at...
Techniques for estimating flood discharges for unregulated streams in New Mexico
Richard P. Thomas, Robert L. Gold
1982, Water-Resources Investigations Report 82-24
Equations for estimating flood magnitudes at selected recurrence intervals from 2 to 500 years were developed using multiple-regression analyses. These equations relate flood magnitudes to basin characteristics, contributing drainage area and site altitude, and only are applicable to unregulated streams in New Mexico that are relatively unaffected by urban runoff....
Preliminary projections of the effects of chloride-control structures on the Quaternary aquifer at Great Salt Plains, Oklahoma
J.E. Reed
1982, Water-Resources Investigations Report 80-120
About 1,200 tons of chloride per day are added to the salt load of the Salt Fork Arkansas River at Great Salt Plains Lake.from brine discharge from the rocks of Permian age in the vicinity of the lake. The U.S. Army Corps of Engineers has planned a chloride-control project. The...
Water-quality characteristics of six small, semiarid watersheds in the Green River coal region of Colorado
John T. Turk, Randolph S. Parker
1982, Water-Resources Investigations Report 81-19
Analysis of major and trace constituents in streams flowing through six semiarid watersheds indicates that the stream chemistry is characterized by saturation with respect to common carbonate minerals (calcium, magnesium, iron, manganese, and lead). The solubility of the carbonate minerals may be a major control on the absolute and relative...
Water information for northwestern Missouri: A planning document
John Skelton, Edward Joseph Harvey, Don E. Miller
1982, Water-Resources Investigations Report 82-27
Water supplies are limited in much of northwestern Missouri, and water-resources data also are limited. This report presents a summary of hydrologic data and an evaluation of areas where additional hydrologic data are needed to provide a data base suitable for use in making decisions regarding future water development.The largest...
Flood of June 13-15, 1981, in the Blanchard River basin, northwestern Ohio
E.E. Webber
1982, Water-Resources Investigations Report 82-4044
The flood of June 13-15, 1981, in the Blanchard River basin in northwestern Ohio caused major damage in Findlay, Ottawa, and adjacent rural areas. Approximately 25 percent of Findlay and 55 percent of Ottawa were flooded. Estimated crop damage was $12 million in Hancock Country, $7 million in Wyandot Country,...
Hydrology of the Prairie Dog Creek drainage basin, Rosebud and Big Horn Counties, Montana
N. E. McClymonds
1982, Water-Resources Investigations Report 81-37
The Prairie Dog Creek drainage basin in southeastern Montana was investigated during 1978-79 to assess the surface-water and ground-water resources and the quality of water in an area having coal-mining potential. The area, a 24.2-square-mile basin, is located 30 miles southwest of Ash-land, Montana. The principal mineable coal is the...
Modifications and corrections to the finite-difference model for simulation of three-dimensional ground-water flow
L.J. Torak
1982, Water-Resources Investigations Report 82-4025
This report describes modifications incorporated into the finite-difference model for simulation of groundwater flow in three dimensions. These modifications extend the application of this model to simulations involving head-dependent sources and sinks (i.e., rivers, evapotranspiration, and springs or drains). Other modifications are made that enhance the iterative-solution process of the...
Sinkhole development resulting from ground-water withdrawal in the Tampa area, Florida
William C. Sinclair
1982, Water-Resources Investigations Report 81-50
The area of municipal well fields on the Gulf Coastal Plain north of tampa, Fla., is densely pitted with natural sinkholes and sinkhole lakes that have resulted from collapse of surficial sand and clay into solution cavities in the underlying carbonate rocks of the Floridan aquifer. Although solution of the...
Digital-transport model study of the potential effects of coal-resource development on the ground-water system in the Yampa River Basin, Moffat and Routt Counties, Colorado
James W. Warner, Robert H. Dale
1982, Water-Resources Investigations Report 81-15
Water-quality characteristics of Everglades National Park, 1959-77, with reference to the effects of water management
Bradley G. Waller
1982, Water-Resources Investigations Report 82-34
The U.S. Geological Survey has collected water-quality data in the Everglades National Park since 1959. Major ions, macronutrients, trace elements, and pesticides are the primary chemical groups analyzed. The period of record and frequency of sampling vary for each chemical group, with the longest record for the major ions and...
Method for relating suspended-chemical concentrations to suspended-sediment particle-size classes in storm-water runoff
Joseph F. Rinella, Stuart W. McKenzie
1982, Water-Resources Investigations Report 82-39
A method has been developed to relate suspended-chemical concentrations (associated with suspended sediments) in storm-water runoff to suspended-sediment particle-size classes. These classes are based on settling velocities in quiescent native water. This method requires processing 20 liters of water having a suspended-sediment concentration greater than 500 milligrams per liter. However,...
BALANCE : A computer program for calculating mass transfer for geochemical reactions in ground water
David L. Parkhurst, Niel Plummer, Donald C. Thorstenson
1982, Water-Resources Investigations Report 82-14
BALANCE is a Fortran computer program designed to define and quantify chemical reactions between ground water and minerals. Using (1) the chemical compositions of water samples from two points along a flow path and (2) a set of mineral phases hypothesized to be the reactive constituents in the system, the...
Streamflow characteristics of the upper Columbia River basin, Montana, through 1979
Scott D. Waltemeyer, Ronald R. Shields
1982, Water-Resources Investigations Report 81-82
Statistical summaries of streamflow data for selected stream-gaging sites presented in this report aid in appraising the hydrology of the upper Columbia River basin in Montana. Streamflow records are provided for 54 gaging stations for the period of record. Streamflow records for five gaging stations were compiled into separate periods...
Water type and suitability of Oklahoma surface waters for public supply and irrigation, Part 5: Washita river basin through 1979
Jerry D. Stoner
1982, Water-Resources Investigations Report 82-29
Water-quality data through 1979 in the Washita River basin within Oklahoma were examined for water type and suitability for public water supply and for irrigation use. Of 82 stations with available data, 32 stations or 39 percent were considered to have sufficient data for analysis. The classification of water type...
An empirical method for determining average soil infiltration rates and runoff, Powder River structural basin, Wyoming
James G. Rankl
1982, Water-Resources Investigations Report 81-76
This report describes a method to estimate infiltration rates of soils for use in estimating runoff from small basins. Average rainfall intensity is plotted against storm duration on log-log paper. All rainfall events are designated as having either runoff or nonrunoff. A power-decay-type curve is visually fitted to separate the...
