Study plan for urban stream indicator sites of the National Water-Quality Assessment Program
T. J. Lopes, C. V. Price
1997, Open-File Report 97-25
Urban Indicator Sites are one component of the U.S. Geological Survey?s National Water- Quality Assessment (NAWQA) Program. The objectives of monitoring at the Urban Indicator Sites are to: (1) characterize stream quality from drainage basins with predominantly residential and commercial land use, and (2) determine which selected natural and human...
Hydraulic analysis of U.S. Highway 75 crossing of the Fall River at Neodesha, Southeast Kansas
R.W. Clement, C. A. Perry
1997, Open-File Report 97-13
A hydraulic analysis of the Fall River inthe vicinity of the existing U.S. Highway 75 crossing at Neodesha, southeast Kansas, was conducted using a combination of step-backwater (WSPRO) and culvert (CAP) analysis program. Hydraulic data for these programs were determined fromonsite inspections and surveys, and from...
Water-supply potential of major streams and the Upper Floridan Aquifer in the vicinity of Savannah, Georgia
Reggina Garza, Richard E. Krause
1997, Water Supply Paper 2411
Surface- and ground-water resources in the Savannah, Georgia, area were evaluated for potential water-supply development. Stream-discharge and water-quality data were analyzed for two major streams considered to be viable water-supply sources. A ground-water flow model was developed to be used in conjunction with other previously calibrated models to simulate the...
Surface-water quality changes after 5 years of nutrient management in the Little Conestoga Creek headwaters, Pennsylvania, 1989-91
Edward H. Koerkle, Linda C. Gustafson-Minnich, Michael D. Bilger
1997, Water-Resources Investigations Report 97-4048
A 5.82-square-mile drainage basin in the headwaters of the Little Conestoga Creek in Lancaster County, Pa., was investigated from October 1989 through September 1991 as part of a longer-term effort to determine the effects of nutrient management on surface-water quality. A previous investigation found no statistical evidence that implementation of...
Hydrologic disturbance and response of aquatic biota in Big Darby Creek basin, Ohio
J.A. Hambrook, G. F. Koltun, B.B. Palcsak, J.S. Tertuliani
1997, Water-Resources Investigations Report 96-4315
Washout and recolonization of macroinvertebrates and algae associated with a spring and summer storm were measured at three sites in Ohio's Big Darby Creek Basin. Related factors, such as streamflow magnitude, shear stress, and streamed disturbance were considered when interpreting observed changes in densities and community structure of macroinvertebrates and...
Method for rapid estimation of scour at highway bridges based on limited site data
S.R. Holnbeck, Charles Parrett
1997, Water-Resources Investigations Report 96-4310
Limited site data were used to develop a method for rapid estimation of scour at highway bridges. The estimates can be obtained in a matter of hours rather than several days as required by more-detailed methods. Such a method is important because scour assessments are needed to identify scour-critical...
Review of selected features of the natural system model, and suggestions for applications in South Florida
Jerad Bales, Janice M. Fulford, Eric D. Swain
1997, Water-Resources Investigations Report 97-4039
A study was conducted to review selected features of the Natural System Model, version 4.3 . The Natural System Model is a regional-scale model that uses recent climatic data and estimates of historic vegetation and topography to simulate pre-canal-drainage hydrologic response in south Florida. Equations used to represent the hydrologic...
Geohydrology and water chemistry in the Rialto-Colton Basin, San Bernardino County, California
Linda R. Woolfenden, Dina Kadhim
1997, Water-Resources Investigations Report 97-4012
The 40-square-mile Rialto-Colton ground- water basin is in western San Bernardino County, California, about 60 miles east of Los Angeles.This basin was chosen for storage of imported water because of the good quality of native ground water, the known capacity for additional ground-water storage in the basin, and the availability...
Simulation of subsurface storage and recovery of effluent using multiple wells, St Petersburg, Florida
D. K. Yobbi
1997, Water-Resources Investigations Report 97-4024
The potential for subsurface storage and recovery, otherwise called aquifer storage and recovery, of effluent in the uppermost producing zone of the Upper Floridan aquifer in St. Petersburg, Florida, was studied by the U.S. Geological Survey, in cooperation with the city of St. Petersburg and the Southwest Florida Water Management...
Evaluation of streamflow traveltime and streamflow gains and losses along the lower Purgatoire River, southeastern Colorado, 1984-92
R. G. Dash, P.R. Edelmann
1997, Water-Resources Investigations Report 96-4291
Traveltime and gains and losses within a stream are important basic characteristics of streamflow. The lower Purgatoire River flows more than 160 river miles from Trinidad to the Arkansas River near Las Animas. A better knowledge of streamflow traveltime and streamflow gains and losses along the lower Purgatoire...
Simulation of the water-table altitude in the Biscayne Aquifer, southern Dade County, Florida, water years 1945-89
Michael L. Merritt
1997, Water Supply Paper 2458
The paper describes a regional model of flows in the Biscayne Aquifer of southern Dade County during five consecutive time periods during water years 1945 to 1989 that correspond to stages in the development of a system of levees and controlled canals for water management. Data describing surface-water and ground-water...
Ground-water development and the effects on ground-water levels and water quality in the town of Atherton, San Mateo County, California
Loren F. Metzger, John L. Fio
1997, Water-Resources Investigations Report 97-4033
The installation of at least 100 residential wells in the town of Atherton, California, during the 198792 drought has raised concerns about the increased potential for land subsidence and salt water intrusion. Data were collected and monitor ing networks were established to assess current processes and to monitor future conditions...
Full Equations (FEQ) model for the solution of the full, dynamic equations of motion for one-dimensional unsteady flow in open channels and through control structures
Delbert D. Franz, Charles S. Melching
1997, Water-Resources Investigations Report 96-4240
The Full EQuations (FEQ) model is a computer program for solution of the full, dynamic equations of motion for one-dimensional unsteady flow in open channels and through control structures. A stream system that is simulated by application of FEQ is subdivided into stream reaches (branches), parts of the stream system...
Hydrogeologic investigation of the Malvern TCE Superfund Site, Chester County, Pennsylvania
Ronald A. Sloto
1997, Water-Resources Investigations Report 96-4286
The Malvern TCE Superfund Site, a former solvent recycling facility that now stores and sells solvents, consists of a plant and disposal area, which are approximately 1,900 ft (feet) apart. The site is underlain by an unconfined carbonate bedrock aquifer in which permeability has been enhanced in places by solution....
Geochemical analyses of ground-water ages, recharge rates, and hydraulic conductivity of the N aquifer, Black Mesa area, Arizona
Thomas J. Lopes, John P. Hoffmann
1997, Water-Resources Investigations Report 96-4190
The Navajo Nation and Hopi Tribe of the Black Mesa area, Arizona, depend on ground water from the N aquifer to meet most tribal and industrial needs. Increasing use of this aquifer is creating concerns about possible adverse effects of increased ground-water withdrawals on the water resources of the region....
Use of isotopic data to evaluate recharge and geologic controls on the movement of ground water in Las Posas Valley, Ventura County, California
John A. Izbicki, Peter Martin
1997, Water-Resources Investigations Report 97-4035
Injection, storage, and recovery of imported water is planned for aquifers underlying Las Posas Valley. To evaluate sources of ground-water recharge and the age of the water (time since recharge), and to identify barriers to ground-water flow prior to the injection of imported water, samples from wells and surface sources...
Reconnaissance of surface-water quality in the North Platte Natural Resources District, western Nebraska, 1993
G. V. Steele, J. C. Cannia
1997, Water-Resources Investigations Report 96-4316
In 1993, the U.S. Geological Survey and the North Platte Natural Resources District began a 3-year study to determine the geohydrology and water quality of the North Platte River alluvial aquifer near Oshkosh, Garden County, Nebraska. The objectives of the study were to determine the geohydrologic properties of the North...
Effects of highway deicing chemicals on shallow unconsolidated aquifers in Ohio, interim report, 1988-93
A.L. Jones, B.N. Sroka
1997, Water-Resources Investigations Report 97-4027
Effects of the application of highway deicing chemicals during winter months on ground- water quality are being studied by the U.S. Geological Survey in cooperation with the Ohio Department of Transportation and the Federal Highway Administration. Eight sites throughout the State were selected along major undivided highways where drainage is...
Environmental geochemistry and sediment quality in Lake Pontchartrain: database development and review
Frank T. Manheim, George C. Flowers, Andrew G. McIntire, Marcie Marot, Charles Holmes
1997, Gulf Coast Association of Geological Societies Transactions (47) 337-349
This paper reports on preliminary results of a project to develop a comprehensive data base of chemical and environmental information on sediments from Lake Pontchartrain, Louisiana, and surrounding water bodies. The goal is to evaluate all data for reliability and comparability, and to make it widely accessible and useful to...
Fish communities of benchmark streams in agricultural areas of eastern Wisconsin
D. J. Sullivan, E. M. Peterson
1997, Water-Resources Investigations Report 96-4038-D
Fish communities were surveyed at 20 stream sites in agricultural areas in eastern Wisconsin in 1993 and 1995 as part of the National Water-Quality Assessment (NAWQA) Program. These streams, designated "benchmark streams," were selected for study because of their potential use as regional references for healthy streams in agricultural areas,...
Estimation of nutrient and suspended-sediment loads in the Patuxent River basin, Maryland, water years 1986-90
S. D. Preston, R.M. Summers
1997, Water-Resources Investigations Report 96-4175
Water-quality data collected at stream sites in the Patuxent River Basin from 1986 through 1990 were used to estimate loads of nutrients and otherconstituents. Studies were performed to determine the adequacy of the water-quality data for load estimation and to evaluate load estimation methods.A regression-based estimator...
Base-flow characteristics of streams in the Valley and Ridge, the Blue Ridge, and the Piedmont physiographic provinces of Virginia
David L. Nelms, George E. Harlow Jr., Donald C. Hayes
1997, Water Supply Paper 2457
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. Potential surface-water yield was determined from statistical analysis of base-flow characteristics of streams. Base-flow characteristics also may provide a relative indication...
Precipitation-runoff and streamflow-routing models for the Willamette River basin, Oregon
Antonius Laenen, John C. Risley
1997, Water-Resources Investigations Report 95-4284
Precipitation-runoff and streamflow-routing models were constructed and assessed as part of a water-quality study of the Willamette River Basin. The study was a cooperative effort between the U.S. Geological Survey (USGS) and the Oregon Department of Environmental Quality (ODEQ) and was coordinated with the USGS National Water-Quality Assessment (NAWQA) study...
The relation between hydrogeology and water quality of the Lower Floridan Aquifer in Duval County, Florida, and implications for monitoring movement of saline water
G. G. Phelps, R. M. Spechler
1997, Water-Resources Investigations Report 96-4242
The hydrogeology of the Upper zone of the Lower Floridan aquifer and its relation to water quality were evaluated during a 3-year (1993-96) study. The Floridan aquifer system, a carbonate aquifer system composed of the Upper Floridan aquifer, a middle semi-confining unit, and the Lower Floridan aquifer, is the major...
Physical characteristics of stream subbasins in the Middle Minnesota - Little Cottonwood River Basin, south-central Minnesota
Christopher A. Sanocki
1997, Open-File Report 96-631
Data that describe the physical characteristics of stream subbasins upstream from selected sites on streams in the Middle Minnesota-Little Cottonwood River Basin, located in south-central Minnesota are presented in this report. The physical characteristics are the drainage area of the subbasin, the percentage area of the subbasin covered only by...