Simulation of the flow system of Barton Springs and associated Edwards Aquifer in the Austin area, Texas
Raymond M. Slade Jr., Linda Ruiz, Diana Slagle
1985, Water-Resources Investigations Report 85-4299
A digital model of two-dimensional groundwater flow was used to estimate the hydraulic properties of the Edwards Aquifer in a 151 sq mi area near Austin, Texas. The transmissivity, hydraulic conductivity, and specific yield were estimated for the part of the aquifer that discharges at Barton Springs in Austin. The...
Physical characteristics and chemical quality of selected springs in parts of Juab, Millard, Tooele, and Utah counties, Utah
Dale E. Wilberg, Bernard J. Stolp
1985, Water-Resources Investigations Report 85-4324
Hydrologic, geologic, and partial water quality data were collected at 90 selected springs in west-central Utah, and chemical analyses performed on water samples from 62 of the springs. Descriptions of the physiographic and geologic conditions, climate, and vegetation patterns for the study area are included. Allowable limits of certain chemical...
Summary of statistical and trend analyses of selected water-quality data collected near the Big Thicket National Preserve, southeast Texas
Frank C. Wells, Kristin C. Bourdon
1985, Open-File Report 85-183
Statistical and trend analyses of selected water-quality data collected at three streamflow stations in the lower Neches River basin, Texas, are summarized in order to document baseline water-quality conditions in stream segments that flow through the Big Thicket National Preserve in southeast Texas. Dissolved-solids concentrations in the streams are small,...
Reconnaissance of ground-water resources in the lower Gunnison River basin, southwestern Colorado
Tom Brooks, D. J. Ackerman
1985, Water-Resources Investigations Report 84-4185
Information about ground-water quantity and quality in the lower Gunnison River basin assists in developing, appropriating, and managing the basin 's water resources. Hydrogeologic data are presented for 51 wells and 61 springs. Chemical analyses are given for 34 wells and 17 springs. Drillers ' reports for 71 wells are...
Traveltime and dispersion in the Potomac River, Cumberland, Maryland, to Washington, D.C.
Kenneth R. Taylor, Robert W. James Jr., Bernard M. Helinsky
1985, Water Supply Paper 2257
A travel-time and dispersion study using rhodamine dye was conducted on the Potomac River between Cumberland, Maryland, and Washington, D.C., a distance of 189 miles. The flow during the study was at approximately the 90-percent flow-duration level. A similar study was conducted by Wilson and Forrest in 1964 at a...
Analysis of surface-water data network in Kansas for effectiveness in providing regional streamflow information
K.D. Medina, Gary D. Tasker
1985, Open-File Report 85-680
The surface water data network in Kansas was analyzed using generalized least squares regression for its effectiveness in providing regional streamflow information. The correlation and time-sampling error of the streamflow characteristic are considered in the generalized least squares method. Unregulated medium-flow, low-flow and high-flow characteristics were selected to be representative...
Water quality and streamflow data for the West Fork Trinity River in Fort Worth, Texas
S. C. McCutcheon
1985, Water-Resources Investigations Report 84-4330
Water-quality data were collected on a 13.6-mile reach of the West Fork Trinity River in Fort Worth, Texas to test a dynamic Lagrangian model. Flow was steady. Loads of dissolved constituents varied with time at the beginning of the study reach and in the reach, primarily because of photosynthesis. River...
Simulated effects of surface coal mining and agriculture on dissolved solids in the Redwater River, east-central Montana
R. F. Ferreira, J. H. Lambing
1985, Water-Resources Investigations Report 85-4180
Dissolved solids concentrations in five reaches of the Redwater River in east-central Montana were simulated to evaluate the effects of surface coal mining and agriculture. A mass-balance model of streamflow and dissolved solids load developed for the Tongue River in southeastern Montana was modified and applied to the Redwater River....
Design of a sediment data-collection program in Kansas as affected by time trends
P. R. Jordan
1985, Water-Resources Investigations Report 85-4204
Data collection programs need to be re-examined periodically in order to insure their usefulness, efficiency, and applicability. The possibility of time trends in sediment concentration, in particular, makes the examination with new statistical techniques desirable. After adjusting sediment concentrations for their relation to streamflow rates and by using a seasonal...
Digital models of ground-water flow in the Cape Cod aquifer system, Massachusetts
John H. Guswa, Denis R. LeBlanc
1985, Water Supply Paper 2209
The Cape Cod aquifer system was simulated with three-dimensional finite-difference ground-water-flow models. Five areas were modeled to provide tools that can be used to evaluate the hydrologic impacts of regional water development and waste disposal. The model boundaries were selected to represent the natural hydrologic boundaries of the aquifer. The...
Transit losses and traveltimes for water-supply releases from Marion Lake during drought conditions, Cottonwood River, east-central Kansas
P. R. Jordan, R. J. Hart
1985, Water-Resources Investigations Report 85-4263
A streamflow routing model was used to calculate the transit losses and traveltimes. Channel and aquifer characteristics, and the model control parameters, were estimated from available data and then verified to the extent possible by comparing model simulated streamflow to observed streamflow at streamflow gaging stations. Transit losses and traveltimes...
Dissolved constituents including selenium in waters in the vicinity of Kesterson National Wildlife Refuge and the west grassland, Fresno and Merced Counties, California
T. S. Presser, Ivan Barnes
1985, Water-Resources Investigations Report 85-4220
Analyses were made for dissolved constituents including selenium (Se) in waters associated with subsurface agricultural drainage from the western San Joaquin Valley of California. In the vicinity of Kesterson National Wildlife Refuge and the Grassland wetlands area Se was found to be mobilized in water. As a consequence of this...
Trap efficiency of a sediment-control pond below a block-cut coal mine in Fayette County, Pennsylvania
L.A. Reed, L.E. DiLissio, D.E. Stump
1985, Water-Resources Investigations Report 84-4223
The U. S. Geological Survey determined the efficiency of a pond constructed to control sediment from a surface coal mine site by measuring runoff and sediment loads at the inlet to and discharge from the pond during storms. The pond is below a 17.9-acre block-cut coal mine in Fayette County,...
Mathematical model of the Tesuque aquifer system near Pojoaque, New Mexico
Glenn A. Hearne
1985, Water Supply Paper 2205
A three-dimensional digital model of ground-water flow was constructed to represent the dipping anisotropic beds of the Tesuque aquifer system underlying the Pojoaque River basin and vicinity, New Mexico. Simulations of steady-state conditions and historical ground-water withdrawals were consistent with observed data. The model was used to simulate the response...
Phase I summary and phase II plan for comparing regulated with unregulated streamflow in the Yakima River at Union Gap, Washington
C.H. Swift
1985, Water-Resources Investigations Report 83-4015
A preliminary investigation of the effects of reservoir storage and canal diversion on the flow of the Yakima River at Union Gap , Washington indicates that those effects are measurable and substantial--on the average causing a reduction of roughly one-quarter from the unregulated flow. Preliminary computations of the unregulated flow...
Salinity characteristics and distribution and effects of alternative plans for freshwater withdrawal, Little Manatee River estuary and adjacent areas of Tampa Bay, Florida
Mario Fernandez
1985, Water-Resources Investigations Report 84-4301
The Little Manatee River, a coastal stream that empties into Tampa Bay, Florida, may be used as a source of freshwater. Reduction of streamflow will result in upstream movement of saltwater in the stream. Data on streamflow, tide stage, and specific conductance describe the salinity distribution of the estuary. Vertical...
Low-flow data for selected partial-record stations in Ohio
R.R. Schwartz
1985, Open-File Report 84-824
Low-flow characteristics for 67 low-flow partial-record stations defined in Ohio since the 1978 water year are presented. Low-flow characteristics presented ar the 7-day 10-year low flow , the 7-day 2-year low flow, and the flow equalled or exceeded 90 percent of the time. The 7-day 10-year low-flow ranged from 0...
Low-flow frequency analyses for streams in west-central Florida
K.M. Hammett
1985, Water-Resources Investigations Report 84-4299
The log-Pearson type III distribution was used for defining low-flow frequency at 116 continuous-record streamflow stations in west-central Florida. Frequency distributions were calculated for 1, 3, 7, 14, 30, 60, 90, 120, and 183 consecutive-day periods for recurrence intervals of 2, 5, 10, and 20 years. Discharge measurements at more...
Geologic and hydrologic characterization and evaluation of the Basin and Range Province relative to the disposal of high-level radioactive waste: Part III, Geologic and hydrologic evaluation
M. S. Bedinger, Kenneth A. Sargent, Bruce T. Brady
1985, Circular 904-C
This report describes the first phase in evaluating the geology and hydrology of the Basin and Range Province for potential suitability of geohydrologic environments for isolation of high-level radioactive waste. The evaluation of the Province applies the guidelines, discussed in Part I (Bedinger, Sargent, and Reed, 1983) of this report...
Effects of wastewater effluent on the South Platte River from Littleton to Denver
N.E. Spahr, S. R. Blakely
1985, Water-Resources Investigations Report 85-4124
The U.S. Geological Survey 's one-dimensional steady-state water quality model was used to investigate the effects of the effluent from the Bi-City WWTP (Wastewater Treatment Plant) on the South Platte River. The Bi-City WWTP is operated by the Cities of Littleton and Englewood. The model was calibrated from a 14.5...
Data collection for a time-of-travel and dispersion study on the Coosa River near Childersburg, Alabama
R. A. Gardner
1985, Open-File Report 85-411
Approximately 2,300 dye-tracer samples were collected and analyzed during a 5-day time-of-travel study on a 23-mile reach of the Coosa River between Logan Martin and Lay dams near Childersburg, Alabama, October 27 to 31, 1984. Rhodamine WT was used as the tracer-dye. Unsteady flow conditions prevailed in the study reach....
Selected hydrologic data for the south Platte River through Denver, Colorado
N.E. Spahr, S. R. Blakely, S.E. Hammond
1985, Open-File Report 84-703
The U.S. Geological Survey, in cooperation with the cities of Littleton and Englewood, Colorado, studied the effects of the discharge of treated effluent from the Bi-City Waste Water Treatment Plant on low-flow conditions of the South Platte River. An 18-mile reach of the South Platte River, beginning below Chatfield Reservoir,...
Rainfall-runoff relationships and water-quality assessment of Coon Creek watershed, Anoka County, Minnesota
A.D. Arntson, L. H. Tornes
1985, Water-Resources Investigations Report 84-4013
Rainfall-runoff relationships and results of water-quality analyses were studied to develop an understanding of flooding problems and to assess present and potential water-quality problems in the 96.9-square-mile Coon Creek watershed, Anoka County, Minnesota. Rainfall, runoff, and water-quality data were collected from March 1979 to November 1980 at five continuously recording...
Geohydrology and ground-water flow at Verona Well Field, Battle Creek, Michigan
N.G. Grannemann, F. R. Twenter
1985, Water-Resources Investigations Report 85-4056
The city of Battle Creek has 30 wells in the Verona well field capable of yielding 300 to 1,000 gallons per minute each. During summer, total withdrawals are as little as 6,000 gallons per minute. In early 1984, only 9 to 12 of the wells were being used; the remaining...
Study and interpretation of the chemical characteristics of natural water
John David Hem
1985, Water Supply Paper 2254
The chemical composition of natural water is derived from many different sources of solutes, including gases and aerosols from the atmosphere, weathering and erosion of rocks and soil, solution or precipitation reactions occurring below the land surface, and cultural effects resulting from human activities. Broad interrelationships among these processes and...
