Channel geometry, flood elevations, and flood maps, lower Toutle and Cowlitz rivers, Washington, June 1980 to May 1981
R.E. Lombard
1986, Water-Resources Investigations Report 85-4080
The volcanic eruption of Mount St. Helens on May 18, 1980, triggered mudflows that deposited upwards of 15 ft of sediment in the channels of the lower Toutle and Cowlitz Rivers. The major population areas along the lower Cowlitz River (Kelso, Longview,Lexington, and Castle Rock) were not flooded, but the...
Detection of contaminant plumes in ground water of Long Island, New York, by electromagnetic terrain-conductivity surveys
Thomas J. Mack, P. E. Maus
1986, Water-Resources Investigations Report 86-4045
Electromagnetic terrain conductivity surveys were conducted at four landfills in Suffolk county and at an artificial recharge site in Nassau County to assess the feasibility of this technique for detecting contaminant plumes. The technique was successful at three of the landfills; results compared closely with those indicated by specific conductance...
Shallow ground-water flow, water levels, and quality of water, 1980-84, Cowles Unit, Indiana Dunes National Lakeshore
D.A. Cohen, R. J. Shedlock
1986, Water-Resources Investigations Report 85-4340
The Cowles Unit of Indiana Dunes National Lakeshore in Porter County, northwest Indiana, contains a broad dune-beach complex along the southern shoreline of Lake Michigan and a large wetland, called the Great Marsh, that occupies the lowland between the shoreline dunes and an older dune-beach complex farther inland. These lacustrine...
Evaluation of the U.S. Geological Survey's gaging-station network in Illinois
D. M. Mades, K. A. Oberg
1986, Water-Resources Investigations Report 86-4072
Data collected at 97 of the 176 gaging stations operated in Illinois during 1983 were used to describe rainfall-runoff processes, to monitor and forecast floods, and to monitor and regulate lake levels, discharge from reservoirs, or discharge of navigable streams. Stream-gaging stations on the Illinois River at Havana, East Branch...
Evaluation of streams in selected communities for the application of limited-detail study methods for flood-insurance studies
Ernest D. Cobb
1986, Water-Resources Investigations Report 85-4098
The U.S. Geological Survey evaluated 2,349 communities in 1984 for the application of limited-detail flood-insurance study methods, that is, methods with a reduced effort and cost compared to the detailed studies. Limited-detail study methods were found to be appropriate for 1,705 communities, while detailed studies were appropriate for 62 communities...
Effects on ground-water quality of seepage from a phosphatic clayey waste settling pond, north-central Florida
J. D. Hunn, P. R. Seaber
1986, Water-Resources Investigations Report 86-4107
Water samples were taken from test wells drilled near an inactive phosphatic clayey waste storage settling pond, from the settling pond and its perimeter ditch, and from an active settling pond near White Springs, Hamilton County, in north-central Florida. The purpose was to document the seepage of chemical constituents from...
Water-quality variability in four reservoirs in Phillips and Valley Counties, Montana, May through August 1981
R. F. Ferreira, J. H. Lambing
1986, Water-Resources Investigations Report 85-4209
Four reservoirs in Phillips and Valley Counties were studied from May to August, 1981 (1) to describe the variation in water quality that occurs from late spring (May) to late summer (August) and during 24-hrs in late summer and (2) to describe possible causes for the variation. All the reservoirs...
A data-management system for detailed areal interpretive data
C.F. Ferrigno
1986, Water-Resources Investigations Report 86-4091
A data storage and retrieval system has been developed to organize and preserve areal interpretive data. This system can be used by any study where there is a need to store areal interpretive data that generally is presented in map form. This system provides the capability to grid areal interpretive...
Assessment of ground-water contamination at Wurtsmith Air Force Base, Michigan, 1982-85
T. R. Cummings, F. R. Twenter
1986, Water-Resources Investigations Report 86-4188
Continued study of ground-water contamination at Wurtsmith Air Force Base, Michigan, defined the movement and distribution of volatile organic compounds in the glacial sand and gravel aquifer at known sites of contamination, and has defined new plumes at two other sites. The Arrow Street purge system, installed in 1982 to...
Machine-readable files developed for the High Plains Regional Aquifer-System analysis in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming
C.F. Ferrigno
1986, Water-Resources Investigations Report 86-4063
Machine-readable files were developed for the High Plains Regional Aquifer-System Analysis project are stored on two magnetic tapes available from the U.S. Geological Survey. The first tape contains computer programs that were used to prepare, store, retrieve, organize, and preserve the areal interpretive data collected by the project staff. The...
Water resources of Lake and Moody counties, South Dakota
D. S. Hansen
1986, Water-Resources Investigations Report 84-4209
The primary sources of surface water in Lake and Moody Counties are the Big Sioux River and its intermittent tributaries, and Lakes Herman, Madison, and Brant. Seasonal variations in streamflow and lake levels are directly related to seasonal variations in precipitation. Dissolved-solids concentration in water from streams and lakes increases...
Low-flow profiles of the upper Ocmulgee and Flint rivers in Georgia
R.F. Carter, E. H. Hopkins, H. Perlman
1986, Water-Resources Investigations Report 86-4176
This report provides low-flow information for use in evaluating the capacity of streams to supply withdrawals or to accept waste loads from potential new industries without exceeding the limits of State water-quality standards. The report is the first phase of a study of all stream basins north of the Fall...
Discharge ratings for control gates at Mississippi River Lock and Dam 22, Saverton, Missouri
Albert J. Heinitz
1986, Water-Resources Investigations Report 86-4137
The water level of the navigation pools on the Mississippi River are maintained by the operation of tainted and roller gates at the locks and dams. Discharge ratings for the gates on Lock and Dam 22, at Saverton, Missouri, were developed from current-meter discharge measurements made in the forebays of...
Discharge ratings for control gates at Mississippi River Lock and Dam 16, Muscatine, Iowa
Albert J. Heinitz
1986, Water-Resources Investigations Report 86-4136
The water level of the navigation pools on the Mississippi River are maintained by the operation of tainter and roller gates at the lock and dams. Discharge ratings for the gates on Lock and Dam 16, at Muscatine, Iowa, were developed from current-meter discharge measurements made in the forebays of...
Directions and rates of ground-water movement in the vicinity of Kesterson Reservoir, San Joaquin Valley, California
R.J. Mandle, A.L. Kontis
1986, Water-Resources Investigations Report 86-4196
A three-dimensional groundwater flow model was used to simulate groundwater flow for a 124 sq mi area in the vicinity of Kesterson Reservoir in the San Joaquin Valley, California. Available data were used to calculate a probable range of groundwater flow rates, but calibration and sensitivity analysis were not done...
Selenium concentrations in leaf material from Astragalus Oxyphysus (diablo locoweed) and Atriplex Lentiformis (quail bush) in the interior Coast Ranges and the western San Joaquin Valley, California
J. A. Izbicki, T. F. Harms
1986, Water-Resources Investigations Report 86-4066
Leaf material from selenium accumulating plants was collected and analyzed for selenium to obtain a relative indication of selenium concentrations in soils and identify sites suitable for further soil study. Selenium concentrations of 14 samples of leaf material from Astragalus oxyphysus ranged from 0.08 to 3.5 microg/g dry weight and...
Three-dimensional model simulation of steady-state ground-water flow in the Albuquerque-Belen Basin, New Mexico
J. M. Kernodle, W. B. Scott
1986, Water-Resources Investigations Report 84-4353
As part of the Southwest Alluvial Basins study, model was constructed to simulate the alluvial aquifer system underlying the Albuquerque-Belen Basin. The model was used to simulate the steady-state flow condition assumed to have existed prior to 1960. Until this time there apparently were no long-term groundwater level changes of...
Water demands in Kansas, 1944-84
J. F. Kenny
1986, Water-Resources Investigations Report 86-4038
The State of Kansas has administered water rights according to an appropriations doctrine since 1945. Water rights are issued by the Kansas State Board of Agriculture, Division of Water Resources, for eight categories of beneficial use. Water rights data and limited information on reported water use are stored on a...
Discharge ratings for control gates at Mississippi River Lock and Dam 13, Fulton, Illinois
Albert J. Heinitz
1986, Water-Resources Investigations Report 86-4134
The water level of the navigation pools on the Mississippi River are maintained by the operation of tainter and roller gates at the locks and dams. Discharge ratings for the gates on Lock and Dam 13, at Fullerton, Illinois, were developed from current-meter discharge measurements made in the forebays of...
Relationship of nonpoint-source discharges, streamflow, and water quality in the Galena River basin, Wisconsin
S. J. Field
1986, Water-Resources Investigations Report 85-4214
Four small tributaries of the Galena River Madden Branch tributary, Pats Creek, Apple River, and Madden Branch that drain nonpoint agricultural sources and that receive no significant point-source discharges were monitored from October 1980 through September 1982 to determine water quality. Streamflow in the tributaries during the 1981 water year was...
Effects of detention on water quality of two stormwater detention ponds receiving highway surface runoff in Jacksonville, Florida
P. S. Hampson
1986, Water-Resources Investigations Report 86-4151
Water and sediment samples were analyzed for major chemical constituents, nutrients, and heavy metals following ten storm events at two stormwater detention ponds that receive highway surface runoff in the Jacksonville, Florida, metropolitan area. The purpose of the sampling program was to detect changes in constituent concentration with time of...
Occurrence of nitrate and herbicides in ground water in the upper Conestoga River basin, Pennsylvania : water-quality study of the Conestoga River headwaters, Pennsylvania
David K. Fishel, Patricia L. Lietman
1986, Water-Resources Investigations Report 85-4202
Nitrate-nitrogen and herbicide ground-water data is being collected by the u.s. Geological Survey as part of the nationwide Rural Clean Water Program designed to determine the effects of agricultural-management practices on water quality. Data collected from September 1982 to October 1983 · in the 188-square mile intensively farmed upper Conestoga...
Discharge ratings for control gates at Mississippi River lock and dam 12, Bellevue, Iowa
Albert J. Heinitz
1986, Water-Resources Investigations Report 86-4135
The water level of the navigation pools on the Mississippi River are maintained by the operation of tainter and roller gates at the locks and dams. Discharge ratings for the gates on Lock and Dam 12, at Bellevue, Iowa, were developed from current-meter discharge measurements made in the forebays of...
Results of a preimpoundment water-quality study of Swatara Creek, Pennsylvania
David K. Fishel, J.E. Richardson
1986, Water-Resources Investigations Report 85-4023
The water quality of Swatara Creek prior to impoundment by the proposed Swatara Creek Reservoir in south-central Pennsylvania was studied from July 1981 through October 1982. The report, done in cooperation with the Pennsylvania Department of Environmental Resources (PaDER), Bureau of State Parks, presents information on existing water-quality conditions. A...
Evaluation of sampling methods used to estimate irrigation pumpage in Chase, Dundy, and Perkins counties, Nebraska
F.J. Heimes, R. R. Luckey, D.M. Stephens
1986, Water-Resources Investigations Report 86-4092
Combining estimates of applied irrigation water, determined for selected sample sites, with information on irrigated acreage provides one alternative for developing areal estimates of groundwater pumpage for irrigation. The reliability of this approach was evaluated by comparing estimated pumpage with metered pumpage for two years for a three-county area in...
