Water-quality assessment of the Rio Grande Valley, Colorado, New Mexico, and Texas: Summary and analysis of water-quality data for the basic-fixed-site network, 1993-95
D. F. Healy
1997, Water-Resources Investigations Report 97-4212
The Rio Grande Valley study unit of the U.S. Geological Survey National Water-Quality Assessment Program collected monthly water- quality samples at a network of surface-water sites from April 1993 through September 1995. This basic-fixed-site network consisted of nine main-stem sites on the Rio Grande, five sites on tributaries of the...
Water-quality assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland: sources, characteristics, analysis and limitations of nutrient and suspended-sediment data, 1975-90
R.A. Hainly, C. A. Loper
1997, Water-Resources Investigations Report 97-4209
This report describes analyses of available information on nutrients and suspended sediment collected in the Lower Susquehanna River Basin during water years 1975-90. Most of the analyses were applied to data collected during water years 1980-89. The report describes the spatial and temporal availability of nutrient and suspended-sediment data and...
Analysis of bottom sediment to estimate nonpoint-source phosphorus loads for 1981-96 in Hillsdale Lake, northeast Kansas
K. E. Juracek
1997, Water-Resources Investigations Report 97-4235
Bottom sediment in Hillsdale Lake, northeast Kansas, was analyzed as a means of estimating the annual load of total phosphorus deposited in the lake from nonpoint sources. Topographic, bathymetric, and sediment-core data were used to estimate the total mass of phosphorus in the lake-bottom sediment. Available streamflow and water-quality data...
Evaluation of the U.S. Geological Survey Ground-Water Data-Collection Program in Hawaii, 1992
Stephen S. Anthony
1997, Water-Resources Investigations Report 97-4232
In 1992, the U.S. Geological Survey ground-water data-collection program in the State of Hawaii consisted of 188 wells distributed among the islands of Oahu, Kauai, Maui, Molokai, and Hawaii. Water-level and water-quality (temperature, specific conductance, and chloride concentration) data were collected from observation wells, deep monitoring wells that penetrate the...
Evaluation of bridge-scour data at selected sites in Ohio
K.S. Jackson
1997, Water-Resources Investigations Report 97-4182
Scour data collected during 1989-94 were evaluated to determine whether pier scour and contraction scour occurred at 22 bridge sites in Ohio. Pier-scour depths computed from selected pier-scour prediction equations were compared with measured pier-scour depths, and the accuracy of the prediction equations were evaluated. Observed pier-scour relations were compared...
Geohydrology and Numerical Simulation of the Ground-Water Flow System of Molokai, Hawaii
Delwyn S. Oki
1997, Water-Resources Investigations Report 97-4176
A two-dimensional, steady-state, areal ground-water flow model was developed for the island of Molokai, Hawaii, to enhance the understanding of (1) the conceptual framework of the ground-water flow system, (2) the distribution of aquifer hydraulic properties, and (3) the regional effects of ground-water withdrawals on water levels and coastal discharge....
Effects of the 1993 flood on water levels and water quality in the Sheyenne Delta Aquifer, southeastern North Dakota, 1993-94
M.L. Strobel, S.A. Radig
1997, Water-Resources Investigations Report 97-4163
A study was conducted to evaluate the effects of precipitation and flooding on water levels in the Sheyenne Delta aquifer and to evaluate the variations in water quality that are related to the precipitation and flooding. Water-level, streamflow, and water-quality data collected before July 1993 were assumed to be representative...
Water-quality assessment of part of the upper Mississippi River Basin, Minnesota and Wisconsin — Nitrogen and phosphorus in streams, streambed sediment, and ground water, 1971-94
Sharon E. Kroening, William J. Andrews
1997, Water-Resources Investigations Report 97-4107
Nitrogen and phosphorus in streams, streambed sediment, and ground water were summarized using data from Federal, state, and local agencies as part of an analysis of historical water-quality data for the Upper Mississippi River Basin study unit of the U.S. Geological Survey's National Water-Quality Assessment Program. The Upper Mississippi River...
Nitrate in ground water and stream base flow in the lower Susquehanna River Basin, Pennsylvania and Maryland
Bruce D. Lindsey, Connie A. Loper, Robert A. Hainly
1997, Water-Resources Investigations Report 97-4146
High concentrations of nitrate in both ground and surface water have been identified as a significant water-quality issue in the Lower Susquehanna River Basin. This report uses data collected by the National Water Quality Assessment (NAWQA) Program in the basin and compares nitrate concentrations found in ground water and surface...
Stream habitat characteristics of fixed sites in the western Lake Michigan drainages, Wisconsin and Michigan, 1993-95
F. A. Fitzpatrick, E.M. Giddings
1997, Water-Resources Investigations Report 95-4211-B
Habitat characteristics of 11 fixed sites in the Western Lake Michigan Drainages were examined by the U.S. Geological Survey from 1993 through 1995 as part of the ecological assessment of the National Water-Quality Assessment Program. Evaluation of habitat consisted of more than 75 measurements at three spatial levels: drainage basin,...
Ground-water, surface-water, and water-chemistry data, Black Mesa area, northeastern Arizona, 1996
Gregory R. Littin, Stephen A. Monroe
1997, Open-File Report 97-566
The Black Mesa monitoring program is designed to document long-term effects of ground-water pumping from the N aquifer by industrial and municipal users. The N aquifer is the major source of water in the 5,400-square-mile Black Mesa area, and the ground water occurs under confined and unconfined conditions....
Water-quality trends for streams and reservoirs in the Research Triangle area of North Carolina, 1983-95
C.J. Childress, Neeti Bathala
1997, Water-Resources Investigations Report 97-4061
Water-quality and streamflow monitoring data, collected from 1983 to 1995, were analyzed for 34 stream and reservoir sites in a seven- county region within the upper Neuse and upper Cape Fear River Basins. Early data (1983-88) were compiled from U.S. Geological Survey water- quality studies and from the ambient water-quality...
Results of soil, ground-water, surface-water, and streambed-sediment sampling at Air Force Plane 85, Columbus, Ohio, 1996
J. M. Parnell
1997, Open-File Report 97-641
The U.S. Geological Survey (USGS), in cooperation with Aeronautical Systems Center, Environmental Management Directorate, Restoration Division, prepared the Surface- and Ground- Water Monitoring Work Plan for Air Force Plant 85 (AFP 85 or Plant), Columbus, Ohio, under the Air Force Installation Restoration Program to characterize any ground-water, surface-water, and soil...
Spring contributions to water quantity and nitrate loads in the Suwannee River during base flow in July 1995
J. R. Pittman, H. H. Hatzell, E. T. Oaksford
1997, Water-Resources Investigations Report 97-4152
The Suwannee River flows through an area of north-central Florida where ground water has elevated nitrate concentrations. A study was conducted to determine how springs and other ground-water inflow affect the quantity and quality of water in the Suwannee River. The study was done on a 33-mile (mi) reach of...
Effect of faulting on ground-water movement in the Death Valley Region, Nevada and California
Claudia C. Faunt
1997, Water-Resources Investigations Report 95-4132
This study characterizes the hydrogeologic system of the Death Valley region, an area covering approximately 100,000 square kilometers. The study also characterizes the effects of faults on ground-water movement in the Death Valley region by synthesizing crustal stress, fracture mechanics, and structural geologic data. The geologic conditions are typical of...
Low-flow water-quality and discharge data for lined channels in Northeast Albuquerque, New Mexico, 1990 to 1994
R.L. Gold, Robert McBreen
1997, Open-File Report 97-811
The water resources of the Albuquerque metropolitan area are under increasing scrutiny by Federal and State regulators. Because of a lack of available low-flow data for use in addressing potential water-quality problems, a project was established to collect low-flow water-quality and discharge data. The project was initiated under a current...
A Hydrogeologic Map of the Death Valley Region, Nevada and California, Developed Using GIS Techniques
Claudia C. Faunt, Frank A. D’Agnese, A. Keith Turner
1997, Water-Resources Investigations Report 95-4016
In support of Yucca Mountain site characterization studies, a hydrogeologic framework was developed, and a hydrogeologic map was constructed for the Death Valley region. The region, covering approximately 100,000 km 2 along the Nevada-California border near Las Vegas, is characterized by isolated mountain ranges juxtaposed against broad, alluvium-filled valleys. Geologic...
Hydrogeology and water chemistry of Montezuma Well in Montezuma Castle National Monument and surrounding area, Arizona
Alice D. Konieczki, Stanley A. Leake
1997, Water-Resources Investigations Report 97-4156
Increasing population and associated residential and commercial development have greatly increased water use and consumption in the Verde Valley near Montezuma Well, a unit of Montezuma Castle National Monument in central Arizona. Flow from Montezuma Well and water levels in eight wells that are measured annually do not indicate that...
Streamflow characteristics of streams in the Upper Red River of the North basin, North Dakota, Minnesota, and South Dakota
Gregg J. Wiche, Tara Williams-Sether
1997, Open-File Report 97-416
Statistical summaries of streamflow data for all active and inactive gaging stations for the Red River Basin upstream of and including Halstad, Minnesota, are presented in this report. The summaries for each streamflow-gaging station include (1) manuscript (station description), (2) graph of the annual mean discharge for the period of...
Hydrogeologic evaluation of the Upper Floridan aquifer in the southwestern Albany area, Georgia
Debbie Warner
1997, Water-Resources Investigations Report 97-4129
A cooperative study by the Albany Water, Gas, and Light Commission and the U.S. Geological Survey was conducted to evaluate the hydrogeology of the Upper Floridan aquifer in an area southwest of Albany and west of the Flint River in Dougherty County, Ga. The study area lies in the Dougherty...
Hydrogeologic framework and geochemistry of the Edwards aquifer saline-water zone, south-central Texas
George E. Groschen, Paul M. Buszka
1997, Water-Resources Investigations Report 97-4133
The Edwards aquifer supplies drinking water for more than 1 million people in south-central Texas. The saline-water zone of the Edwards aquifer extends from the downdip limit of freshwater to the southern and eastern edge of the Stuart City Formation. Water samples from 16 wells in the Edwards aquifer saline-water...
Bedload and river hydraulics - Inferences from the East Fork River, Wyoming
Luna Bergere Leopold, William W. Emmett
1997, Professional Paper 1583
During 1973-79, bedload data were collected in a sophisticated trap on a river of moderate size, the East Fork. The transport rate was measured most days through a full snowmelt season, and the rate was determined separately for eight zones across the channel width. The quantitative data are unique and...
Drainage-return, surface-water withdrawal, and land-use data for the Sacramento-San Joaquin Delta, with emphasis on Twitchell Island, California
William E. Templin, Daniel E. Cherry
1997, Open-File Report 97-350
Partial data on drainage returns and surface-water withdrawals are presented for areas of the Sacramento-San Joaquin Delta, California, for March 1994 through February 1996. These areas cover most of the delta. Data are also presented for all drainage returns and some surface-water withdrawals for Twitchell Island, which is in the...
Digital data sets that describe aquifer characteristics of the Rush Springs Aquifer in western Oklahoma
D. L. Runkle, M.F. Becker, Alan Rea
1997, Open-File Report 96-453
This diskette contains digitized aquifer boundaries and maps of hydraulic conductivity, recharge, and ground-water level elevation contours for the Rush Spring aquifer in western Oklahoma. This area encompasses all or part of Blaine, Caddo, Canadian, Comanche, Custer, Dewey, Grady, Stephens, and Washita Counties. These digital data sets were developed by...
Water-quality assessment of the Ozark Plateaus study unit, Arkansas, Kansas, Missouri, and Oklahoma- habitat data and characteristics at selected sites, 1993-95
Suzanne R. Femmer
1997, Open-File Report 97-236
The characterization of instream and riparian habitat is part of the multiple lines of evidence used by the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program to assess the water quality of streams. In the NAWQA Program, integrated physical, chemical, and biological assessments are used to describe water-quality conditions. The...
