Selected hydrogeologic and water-quality data from Jones Beach Island, Long Island, New York
M. P. Scorca, T. E. Reilly, O.L. Franke
1995, Water-Resources Investigations Report 92-4171
A data-collection site was instrumented on Jones Beach Island, a barrier island south of Long Island, N.Y., to study local freshwater/ saltwater relations in the shallow ground-water system. A geologic test boring revealed about 88 feet of well-sorted glacial outwash sand above about 15 feet of Gardiners Clay,...
Environmental and hydrologic setting of the Ozark Plateaus study unit, Arkansas, Kansas, Missouri, and Oklahoma
James C. Adamski, James C. Petersen, David A. Freiwald, Jerri V. Davis
1995, Water-Resources Investigations Report 94-4022
The environmental and hydrologic setting of the Ozark Plateaus National Water-Quality Assessment (NAWQA) study unit and the factors that affect water quality are described in this report. The primary natural and cultural features that affect water- quality characteristics and the potential for future water-quality problems are described. These environmental features...
Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Dolores Project area, southwestern Colorado and southeastern Utah, 1990-91
D. L. Butler, R. P. Krueger, B. C. Osmundson, E.G. Jensen
1995, Water-Resources Investigations Report 94-4041
Water, bottom-sediment, and biota samples were collected in 1990-91 to identify water-quality problems associated with irrigation drainage in the Dolores Project area. Concentrations of cadmium, mercury, and selenium in some water samples exceeded aquatic-life criteria. Selenium was associated with irrigaton drainage from the Dolores Project, but other trace elements may...
Map showing potential metal-mine drainage hazards in Colorado, based on mineral-deposit geology
Geoffrey S. Plumlee, Randall K. Streufert, Kathleen S. Smith, Steven M. Smith, Alan R. Wallace, Margo I. Toth, J. Thomas Nash, Rob A. Robinson, Walter H. Ficklin, Gregory K. Lee
1995, Open-File Report 95-26
This map, compiled by the U.S. Geological Survey (USGS) in cooperation with the Colorado Geological Survey (CGS) and the U. S. Bureau of Land Management (BLM), shows potential mine-drainage hazards that may exist in Colorado metal-mining districts, as indicated by the geologic characteristics of the mineral deposits that occur in...
Water-resources reports prepared by or in cooperation with the U.S. Geological Survey, Kansas, 1886-1994
L. J. Combs (compiler), Donna J. Roberts
1995, Open-File Report 95-120
Water quality of the Boca Raton canal system and effects of the Hillsboro Canal inflow, southeastern Florida, 1990-91
D.J. McKenzie
1995, Water-Resources Investigations Report 94-4128
The City of Boca Raton in southeastern Palm Beach County, Florida, is an urban residential area that has sustained a constant population growth with subsequent increase in water use. The Boca Raton network of canals is controlled to provide for drainage of excess water, to maintain proper coastal ground-water levels...
Irrigation water use for the Fort Lyon Canal, southeastern Colorado, 1989-90
R. G. Dash
1995, Water-Resources Investigations Report 94-4051
The U.S. Geological Survey, in cooperation with the Bent County Board of County Commissioners, began a study to evaluate irrigation water use quanti- tatively for about 91,630 acres of farmland irrigated from the 103.7-mile-long Fort Lyon Main Canal in the Arkansas River Valley of southeastern Colorado. This report provides information...
Preliminary Geologic Map of the Thousand Oaks 7.5' Quadrangle, Southern California: A Digital Database
R.F. Yerkes, Russell H. Campbell
1995, Open-File Report 95-88
Thousand Oaks is located in Arroyo Conejo, a region spanning both southeastern Ventura County and extreme northwest Los Angeles County in southern California. It was discovered in 1542 by Spanish explorer Juan Rodriquez Cabrillo and eventually became part of the Spanish Rancho El Conejo land grant (conejo means 'rabbit' in...
Methods for estimating the magnitude and frequency of peak discharges of rural, unregulated streams in Virginia
James A. Bisese
1995, Water-Resources Investigations Report 94-4148
Methods are presented for estimating the peak discharges of rural, unregulated streams in Virginia. A Pearson Type III distribution is fitted to the logarithms of the unregulated annual peak-discharge records from 363 stream-gaging stations in Virginia to estimate the peak discharge at these stations for recurrence intervals of 2 to...
Water-resources activities, North Dakota District, fiscal year 1994-95
1995, Open-File Report 95-105
The mission of the U.S. Geological Survey, Water Resources Division, is to provide the hydrologic information and understanding needed for the optimum utilization and management of the Nation's water resources for the overall benefit of the people of the United States. This report describes water-resources activities of the Water Resources...
Virus and bacteria transport in a sandy aquifer, Cape Cod, MA
Roger C. Bales, Shimin Li, Kimberly M. Maguire, Moyasar T. Yahya, Charles P. Gerba, Ronald W. Harvey
1995, Groundwater (33) 653-661
Transport of the bacteriophage PRD-1, bacteria, and latex microspheres was studied in a sandy aquifer under natural-gradient conditions. The field injection was carried out at the U.S. Geological Survey's Toxic Substances Hydrology research site on Cape Cod. The three colloids and a salt tracer (Br−) moved along the same path....
Occurrence of the gasoline additive MTBE in shallow ground water in urban and agricultural areas
Paul J. Squillace, Daryll A. Pope, Curtis V. Price
1995, Fact Sheet 114-95
Methyl tert-butyl ether (MTBE) is a volatile organic compound (VOC) derived from natural gas that is added to gasoline either seasonally or year round in many parts of the United States to increase the octane level and to reduce carbon monoxide and ozone levels in the air. In 1993, production...
Bottled water, spas, and early years of water chemistry
William Back, Edward R. Landa, Lisa Meeks
1995, Groundwater (33) 605-614
Although hot springs have been used and enjoyed for thousands of years, it was not until the late 1700s that they changed the course of world civilization by being the motivation for development of the science of chemistry. The pioneers of chemistry such as Priestley, Cavendish, Lavoisier, and Henry were...
National Water-Quality Assessment Program: Ozark Plateaus biological study
Suzanne R. Femmer
1995, Fact Sheet 116-95
Steady-state simulation of ground-water flow in the Blaine Aquifer, southwestern Oklahoma and northwestern Texas
Donna L. Runkle, J. S. McLean
1995, Open-File Report 94-387
A generalized finite-difference model was prepared for the Blaine aquifer in southwestern Oklahoma and northwestern Texas. This report releases the model for use and modification. A grid of 1-square-mile nodes was established over the area, with 1,030 of the nodes actively simulated in the model. The steady-state model simulation used...
Geochemical reconnaissance study of Vassar Meadow (Adams Rib) wetlands and vicinity, Eagle County, Colorado
Douglass E. Owen, George N. Breit
1995, Circular 1122
Wetlands are known to be efficient filters of metals dissolved in ground and surface waters. This paper presents the results of geochemical reconnaissance sampling done at the request of the U.S. Environmental Protection Agency in wetlands in Vassar Meadow, Eagle County, Colorado. Ten wetlands were sampled and found to be...
National Water-Quality Assessment Program; Lake Erie-Lake St. Clair Basin
Donna N. Myers, Dennis P. Finnegan
1995, Fact Sheet 056-94
Water-resources activities of the U.S. Geological Survey in Missouri, 1993-94
Felicia D. Headrick, Katherine L. Jenkins-Bartle
1995, Open-File Report 94-538
No abstract available....
Nitrate transport and transformation processes in unsaturated porous media
James A. Tindall, Robin L. Petrusak, Peter B. McMahon
1995, Journal of Hydrology (169) 51-94
A series of experiments was conducted on two contrasting agricultural soils to observe the influence of soil texture, preferential flow, and plants on nitrate transport and denitrification under unsaturated conditions. Calcium nitrate fertilizer was applied to the surface of four large undisturbed soil cores (30 cm diameter by 40 cm...
Geohydrology, water quality, and nitrogen geochemistry in the saturated and unsaturated zones beneath various land uses, Riverside and San Bernardino counties, California, 1991-93
Terry F. Rees, Daniel J. Bright, Ronald G. Fay, Allen H. Christensen, Robert Anders, Brian S. Baharie, Michael T. Land
1995, Water-Resources Investigations Report 94-4127
The U.S. Geological Survey, in cooperation with the Eastern Municipal Water District, the Metropolitan Water District of Southern California, and the Orange County Water District, has completed a detailed study of the Hemet groundwater basin. The quantity of ground water stored in the basin in August 1992 is estimated to...
Hydrostatigraphic characterization of coastal aquifer by geophysical log analysis, Cape Cod National Seashore, Massachusetts
Roger H. Morin, Daniel W. Urish
1995, Log Analyst (36) 27-37
The Cape Cod National Seashore comprises part of Provincetown, Massachusetts, which lies at the northern tip of Cape Cod. The hydrologic regime in this area consists of unconsolidated sand-and-gravel deposits that constitute a highly permeable aquifer within which is a freshwater lens floating on denser sea water. A network of...
Potential hydrologic effects of mining in the Humboldt River Basin, northern Nevada
E. James Crompton
1995, Water-Resources Investigations Report 94-4233
This report provides a general assessment of effects that the current and potential mining activities during the next 5 years may have on the water resources in each of the 34 hydrographic areas in the Humboldt River Basin of northern Nevada. Nearly 40 active gold mines are operating in the...
Surface-water-quality assessment of the upper Illinois River Basin in Illinois, Indiana, and Wisconsin: Analysis of relations between fish-community structure and environmental conditions in the Fox, Des Plaines, and Du Page River basins in Illinois, 1982-84
P. M. Ruhl
1995, Water-Resources Investigations Report 94-4094
Multivariate analyses of fish-community, water- quality, streambed-sediment-quality, and habitat data collected from 1982 through 1984 in the Fox, Des Plaines, and Du Page River Basins in northeastern Illinois indicate that fish-community structure was strongly related to water-quality gradients commonly associated with differences between agricultural and urban land uses. Detrended correspondence...
Water resources of the Grand Portage Indian Reservation, northeastern Minnesota
J. F. Ruhl
1995, Water-Resources Investigations Report 94-4199
The Grand Portage Indian Reservation Tribal Council needs information about the availability and quality of the ground water in the Reservation to develop, protect, and manage this resource for future use. The U.S. Geological Survey, in cooperation with the Grand Portage Indian Reservation Tribal Council, did a three-year study of...
Analytical results from an environmental investigation of six sites on Kirtland Air Force Base, New Mexico, 1993-94
Ralph Wilcox
1995, Open-File Report 94-547
The six sites investigated include silver recovery units; a buried caustic drain line; a neutralization pit; an evaporation/infiltration pond; the Manzano fire training area; and a waste oil underground storage tank. Environmental samples of soil, pond sediment, soil gas, and water and gas in floor drains were collected and analyzed....
