Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Results

46734 results.

Alternate formats: RIS file of the first 3000 search results  |  Download all results as CSV | TSV | Excel  |  RSS feed based on this search  |  JSON version of this page of results

Page 1285, results 32101 - 32125

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
An application of bioassessment metrics and multivariate techniques to evaluate central Nebraska streams
S.A. Frenzel
1996, Water-Resources Investigations Report 96-4152
Ninety-one stream sites in central Nebraska were classified into four clusters on the basis of a cluster analysis (TWINSPAN) of macroinvertebrate data. Rapid bioassessment protocol scores for macroinvertebrate species were significantly different among sites grouped by teh first division into two clusters. This division may have distinguished sites on the...
Occurrence of the gasoline oxygenate MTBE and BTEX compounds in urban stormwater in the United States, 1991-95
Gregory C. Delzer, John S. Zogorski, Thomas J. Lopes, Robin L. Bosshart
1996, Water-Resources Investigations Report 96-4145
Methyl tert-butyl ether (MTBE) is a gasoline oxygenate. Oxygenates such as MTBE, when added to gasoline, increase the gasoline's oxygen level and decrease vehicular carbon monoxide emissions and ozone levels in the atmosphere. MTBE disperses rapidly in water, was the second most frequently detected volatile organic compound (VOC) in a...
Assessment of petroleum-hydrocarbon contamination in the surficial sediments and ground water at three former underground storage tank locations, Fort Jackson, South Carolina, 1995
J. F. Robertson
1996, Open-File Report 96-215
Ground-water and sediment contamination by petroleum hydrocarbons resulting from leaks and overfills was detected during tank removal activities at three former underground storage tank locations at Fort Jackson, near Columbia, South Carolina. Investigations were initiated to assess the effect of contamination to the surficial aquifer at Sites 1062, 2438, and...
Field screening of water quality, bottom sediment, and biota associated with irrigation drainage in and near Walker River Indian Reservation, Nevada 1994-95
Carl E. Thodal, Peter L. Tuttle
1996, Water-Resources Investigations Report 96-4214
A study was begun in 1994 to determine whether the quality of irrigation drainage from the Walker River Indian Reservation, Nevada, has caused or has potential to cause harmful effects on human health or on fish and wildlife, or may adversely affect the suitability of the Walker River for other...
Precipitation, streamflow and water quality data from selected sites in the City of Charlotte and Mecklenburg County, North Carolina, 1993-95
J. B. Robinson, W. F. Hazell, R. G. Garrett
1996, Open-File Report 96-150
Charlotte and Mecklenburg County from October 1993 through June 1995 to identify the type, concentration, and amount of nonpoint-source stormwater runoff within the area. The data collected include measurements of precipitation; streamflow; physical characteristics, such as water temperature, pH, specific conductance, biochemical oxygen demand, oil and grease, and suspended sediment...
Spatial and temporal distribution of specific conductance, boron, and phosphorus in a sewage-contaminated aquifer near Ashumet Pond, Cape Cod, Massachusetts
K.W. Bussey, D. A. Walter
1996, Open-File Report 96-472
Spatial and temporal distributions of specific conductance, boron, and phosphorus were determined in a sewage-contaminated sand and gravel aquifer near Ashumet Pond, Cape Cod, Massachusetts. The source of contamination is secondarily treated sewage that has been discharged onto rapid- infiltration sand beds at the Massachusetts Military Reservation since 1936. Contaminated...
Ground-water resources data for Warren County, Pennsylvania
M.E. Moore, T. F. Buckwalter
1996, Open-File Report 94-87
This report presents lithologic, hydrologic, and chemical data collected during a study of the ground-water resources of Warren County, Pa. The study was conducted during 1983-90 by the U.S. Geological Survey, in cooperation with the Pennsylvania Department of Conservation and Natural Resources, Bureau of Topographic and Geologic Survey, and the...
Dams and Rivers: A Primer on the Downstream Effects of Dams
Michael Collier, Robert H. Webb, John C. Schmidt
1996, Circular 1126
The U.S. Geological Survey is charged with monitoring the water and mineral resources of the United States. Beginning in 1889, the Survey established a network of water gaging stations across most of the country's rivers; some also measured sediment content of the water. Consequently, we now have valuable long-term data...
Hydrogeologic setting and simulation of pesticide fate and transport in the unsaturated zone of a regolith-mantled, carbonate-rock terrain near Newville, Pennsylvania
D. J. Hippe, D. W. Hall
1996, Water-Resources Investigations Report 96-4062
Physical and chemical data were collected from May 1991 through April 1993 at a 4.5 hectare field site in Cumberland County, Pa., about 5 kilometers southeast of Newville. These data were used to define the hydrogeologic setting of a field site representative of the intensively farmed carbonate valleys of southeastern...
Flood tracking chart, Amite River basin, Louisiana
Lawrence Callender, Brian E. McCallum, Sebastian R. Brazelton
1996, Open-File Report 96-649
The Amite River Basin flood tracking chart is designed to assist emergency response officials and the local public in making informed decisions about the safety of life and property during floods along the Amite and Comite Rivers and Bayou Manchac in southeastern Louisiana. This chart is similar in concept to...
Hydrogeologic factors that affect the flowpath of water in selected zones of the Edwards Aquifer, San Antonio region, Texas
George E. Groschen
1996, Water-Resources Investigations Report 96-4046
The Edwards aquifer in the San Antonio region supplies drinking water for more than 1 million people. Proper development and protection of the aquifer is a high priority for local and State authorities. To better understand the flow of water in two major flowpaths in the Edwards aquifer, stratigraphic, structural,...
Streambed stresses and flow around bridge piers
A.C. Parola, K.J. Ruhl, D.J. Hagerty, B.M. Brown, D.L. Ford, A.A. Korves
1996, Water-Resources Investigations Report 96-4142
Scour of streambed material around bridge foundations by floodwaters is the leading cause of catastrophic bridge failure in the United States. The potential for scour and the stability of riprap used to protect the streambed from scour during extreme flood events must be known to evaluate...
Environmental setting of benchmark streams in agricultural areas of eastern Wisconsin
S. J. Rheaume, J.S. Stewart, B. N. Lenz
1996, Water-Resources Investigations Report 96-4038-A
This report describes the environmental setting of 20 benchmark streams in agricultural areas of eastern Wisconsin that are part of the Western Lake Michigan Drainages, National Water-Quality Assessment Program. Benchmark streams are defined as those that show minimal adverse effects from human activity, and they were selected on the basis...
Geohydrologic site characterization of the municipal solid waste landfill facility, U.S. Army Air Defense Artillery Center and Fort Bliss, El Paso County, Texas
Cynthia G. Abeyta
1996, Water-Resources Investigations Report 95-4217
Geohydrologic conditions of the Municipal Solid Waste Landfill Facility (MSWLF) on the U.S. Army Air Defense Artillery Center and Fort Bliss, El Paso County, Texas, were evaluated by the U.S. Geological Survey in cooperation with the U.S. Army. The 106.03-acre MSWLF has been in operation since January 1974. The landfill...
Determination of the 100-year flood plain on Upper Three Runs and selected tributaries, and the Savannah River at the Savannah River site, South Carolina, 1995
T. H. Lanier
1996, Water-Resources Investigations Report 96-4014
The 100-year flood plain was determined for Upper Three Runs, its tributaries, and the part of the Savannah River that borders the Savannah River Site. The results are provided in tabular and graphical formats. The 100-year flood-plain maps and flood profiles provide water-resource managers of the Savannah River Site with...
Water-quality assessment of the Trinity River Basin, Texas — Pesticides in streams draining an urban and an agricultural area, 1993-95
Larry F. Land, Mariann F. Brown
1996, Water-Resources Investigations Report 96-4114
Water and bed-sediment samples from streams draining an urban and an agricultural area in the Trinity River Basin, Texas, were analyzed. The samples were collected during March 1993?September 1995 by the Trinity River Basin study-unit team of the National Water-Quality Assessment Program. A comparison of pesticide data for water samples from...
Lake-level frequency analysis for Devils Lake, North Dakota
Gregg J. Wiche, Aldo V. Vecchia
1996, Water Supply Paper 2469
Two approaches were used to estimate future lake-level probabilities for Devils Lake. The first approach is based on an annual lake-volume model, and the second approach is based on a statistical water mass-balance model that generates seasonal lake volumes on the basis of seasonal precipitation, evaporation, and inflow. Autoregressive moving...
Riparian vegetation and its water use during 1995 along the Mojave River, Southern California
Gregory C. Lines, Thomas W. Bilhorn
1996, Water-Resources Investigations Report 96-4241
The extent and areal density of riparian vegetation, including both phreatophytes and hydrophytes, were mapped along the 100-mile main stem of the Mojave River during 1995. Mapping was aided by vertical false-color infrared and low-level oblique photographs. However, positive identification of plant species and plant physiological stress required field examination....
Ground-water levels in aquifers used for residential supply, Campton Township, Kane County, Illinois
Robert T. Kay, Kurt A. Kraske
1996, Water-Resources Investigations Report 96-4009
The U.S. Geological Survey, in cooperation with the Campton Township Board of Trustees, measured water levels in the aquifers used for residential supply in Campton Township, Kane County, Illinois. Aquifers used for residential supply are the shallow and deep aquifers in the glacial drift, composed of unconsolidated sand and gravels;...
Potential for water-quality degradation of interconnected aquifers in west-central Florida
P. A. Metz, D. L. Brendle
1996, Water-Resources Investigations Report 96-4030
Thousands of deep artesian wells were drilled into the Upper Floridan aquifer in west-central Florida prior to well-drilling regulations adopted in the 1970's. The wells were usually completed with a short length of casing through the unconsolidated sediments and were left open to multiple aquifers containing water of varying quality....
Estimated water use and general hydrologic conditions for Oregon, 1985 and 1990
T.M. Broad, C. A. Collins
1996, Water-Resources Investigations Report 96-4080
Water-use information is vital to planners, engineers, and hydrologists in water resources. This report is a compilation of water-use information for Oregon for calendar years 1985 and 1990. The report presents water-use data by geographic region for several categories of use, including public supply, domestic, commercial, industrial, mining, thermoelectric power,...