Ground-water resources in Mendocino County, California
C. D. Farrar
1986, Water-Resources Investigations Report 85-4258
Mendocino County includes about 3,500 sq mi of coastal northern California. Groundwater is the main source for municipal and individual domestic water systems and contributes significantly to irrigation. Consolidated rocks of the Franciscan Complex are exposed over most of the county. The consolidated rocks are commonly dry and generally supply...
Hydrology of the leeward aquifers, southeast Oahu, Hawaii
Paul R. Eyre, Charles J. Ewart, Patricia J. Shade
1986, Water-Resources Investigations Report 85-4270
The leeward southeast Oahu ground-water area includes the Waialae and Wailupe-Hawaii Kai aquifers. The Waialae aquifer is separated from the ground water of Kaimuki to the west by Palolo valley fill and the Kaau rift zone, and from the Wailupe-Hawaii Kai aquifer to the east by a line of northeast-trending...
Geohydrology of the Wellington-alluvial aquifer system and evaluation of possible locations of relief wells to decrease saline ground-water discharge to the Smoky Hill and Solomon rivers, central Kansas
Joe B. Gillespie, G.D. Hargadine
1986, Water-Resources Investigations Report 86-4110
Saline water discharges from the alluvial aquifer into the Smoky Hill and Solomon Rivers between New Cambria and Solomon in central Kansas. Chloride concentrations in the Smoky Hill River sometimes exceed 1,000 mg/L during low flow conditions. The source of saline water is the underlying Wellington aquifer, a zone of...
Floodflow characteristics of Current River at Arkansas state highway 328 near Reyno, Arkansas
R.C. Gilstrap, Braxtel L. Neely Jr.
1986, Water-Resources Investigations Report 86-4061
Arkansas State Highway 328 in Randolph County crosses Current River about 1.5 mi northwest of Reyno, Arkansas. A main channel bridge with a relief bridge on each side, five culverts, and a bridge on the west side of the valley were the existing flow structures prior to a December 1982...
Water-quality appraisal of NASQAN stations below impoundments, eastern Tennessee
R. D. Evaldi, J.G. Lewis
1986, Water-Resources Investigations Report 85-4171
The National Stream Quality Accounting Network (NASQAN) is a network of stations at which systematic and continuing water quality data are collected. Major objectives of this U.S. Geological Survey program are: (1) to depict areal variability of streamflow and water quality conditions nationwide on a year-by-year basis and (2) to...
Hydrologic conditions in Connors Bog Area, Anchorage, Alaska
R. L. Glass
1986, Water-Resources Investigations Report 86-4044
Connors Bog is a wetland in Anchorage, Alaska, which provides a habitat for many wildlife species and is a popular area for driving off-road vehicles. A landfill, and residential and commercial developments are present in areas which were once wetland. The main source of water is precipitation, which averages about...
Hydrologic conditions in the Klatt Bog area, Anchorage, Alaska
R. L. Glass
1986, Water-Resources Investigations Report 85-4330
Klatt Bog is a 2.3 sq mi wetland in Anchorage, Alaska which provides habitat for many wildlife species but also offers potential sites for residential, commercial, and agricultural developments. Precipitation, the main source of water for the area, averages 15 in/yr; during the 1983 study period, precipitation was 12.16 inches....
Infaunal macroinvertebrates of the Charlotte Harbor estuarine system and surrounding inshore waters, Florida
E.D. Estevez
1986, Water-Resources Investigations Report 85-4260
Water quality in the St Croix National Scenic Riverway, Wisconsin
D.J. Graczyk
1986, Water-Resources Investigations Report 85-4319
The U.S. Geological Survey conducted a water-quality study of the St. Croix National Scenic Riverway. This report documents the water quality during the period 1975-83. The water quality is good for most uses and is a calcium bicarbonate type. Concentrations of most constituents analyzed were less than most sites in...
Potential for leakage among principal aquifers in the Memphis area, Tennessee
D. D. Graham, W. S. Parks
1986, Water-Resources Investigations Report 85-4295
The principal aquifers in the Memphis area consist primarily of sand or sand and gravel, and the confining beds consist of clay, silt, sand, and lignite. The Jackson Formation and upper part of the Claiborne Group serve as the confining bed separating the water table aquifers from the Memphis Sand;...
Flood analysis along the Little Missouri River within and adjacent to Theodore Roosevelt National Park, North Dakota
Douglas G. Emerson, Kathleen Macek-Rowland
1986, Water-Resources Investigations Report 86-4090
The Little Missouri River flows through Theodore Roosevelt National Park t which consists of three separate units: South Unit, Elkhorn Ranch Site, and North Unit. The park is located in the Little Missouri badlands. Discharges and water-surface elevations for 100- or 500-year floods or both were computed for selected reaches...
Gulf Coast Regional Aquifer-System Analysis — A Mississippi perspective
H. F. Grubb
1986, Water-Resources Investigations Report 86-4162
The Gulf Coast Regional Aquifer-System Analysis is a study of regional aquifers in sediments of mostly Cenozoic age in an area of about 230,000 sq mi in the Central Plain of Alabama, Arkansas , Florida, Illinois, Kentucky, Louisiana, Mississippi, Missouri, Tennessee, and Texas, and an additional 60,000 sq mi offshore....
Areal and temporal variability of selected water-quality characteristics in two hydrologic-benchmark basins in the northeastern United States
R.A. Hainly, J.R. Ritter
1986, Water-Resources Investigations Report 85-4025
Two U.S. Geological Survey National Hydrologic Benchmark stations--Young Womans Creek near Renovo, Pennsylvania and Esopus Creek at Shandaken, New York--were studied to (1) define, both areally and temporally, variations of stream acidity and other water quality characteristics within the basins; (2) evaluate how well the data collected at the Benchmark...
Sediment-data sources and estimated annual suspended-sediment loads of rivers and streams in Colorado
J. G. Elliott, K. L. DeFeyter
1986, Water-Resources Investigations Report 86-4344
Sources of sediment data collected by several government agencies through water year 1984 are summarized for Colorado. The U.S. Geological Survey has collected suspended-sediment data at 243 sites; these data are stored in the U.S. Geological Survey 's water data storage and retrieval system. The U.S. Forest Service has collected...
Hydraulic geometry and streamflow of channels in the Piceance Basin, Rio Blanco and Garfield Counties, Colorado
J. G. Elliott, K. D. Cartier
1986, Water-Resources Investigations Report 85-4118
The influence of streamflow and basin characteristics on channel geometry was investigated at 18 perennial and ephemeral stream reaches in the Piceance basin of northwestern Colorado. Results of stepwise multiple regression analyses indicated that the variabilities of mean bankfull depth (D) and bankfull cross-sectional flow area (Af) were predominantly a...
A description of the hydrologic system and the effects of coal mining on water quality in the East Fork Little Chariton River and the alluvial aquifer between Macon and Huntsville, north-central Missouri
D. C. Hall
1986, Water-Resources Investigations Report 86-4160
The quality of surface and groundwater has been affected by abandoned strip mines and by abandoned underground mines in a 110-sq mi subbasin of the East Fork Little Chariton River. More than 14% of the area was strip mined for coal before 1979. The hydrologic system in the area was...
Ground-water movement and effects of coal strip mining on water quality of high-wall lakes and aquifers in the Macon-Huntsville area, north-central Missouri
D. C. Hall, R. E. Davis
1986, Water-Resources Investigations Report 85-4102
Glacial drift and Pennsylvanian bedrock were mixed together forming spoil during pre-reclamation strip mining for coal in north-central Missouri. This restructuring of the land increases the porosity of the material, and increases aqueous concentrations of many dissolved constituents. Median sodium and bicarbonate concentrations were slightly greater, calcium 5 times greater,...
Water resources of Hughes County, South Dakota
L.J. Hamilton
1986, Water-Resources Investigations Report 84-4195
Three major glacial-drift aquifers consisting of outwash sand and gravel underlie Hughes County, 784 sq mi of plains incised by the outwash-filled valley of the Missouri River in central South Dakota. Glacial-drift aquifers are recharged by more than 9,000 acre-feet of water annually and store about 1 million acre-feet of...
Transport and variability of indicator bacteria in the Apalachicola River and estuary, Florida, 1983-84
J. F. Elder
1986, Water-Resources Investigations Report 85-4285
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...
Exploration for areas suitable for ground-water development, central Connecticut Valley lowlands, Massachusetts
B. P. Hansen
1986, Water-Resources Investigations Report 84-4106
Drilling and geophysical borehole logs for a 25-sq-mi section of the Connecticut River valley lowlands area of Amherst, Hadley, and Sunderland, Massachusetts, indicate that the area is mostly underlain by fine-grained lacustrine deposits. Nine test wells ranging in depth from 100 to 303 ft completely penetrate the unconsolidated valley fill....
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...
Water levels in major artesian aquifers of the New Jersey Coastal Plain, 1983
J.A. Eckel, R.L. Walker
1986, Water-Resources Investigations Report 86-4028
Water levels and changes in water levels in the major aquifers of the New Jersey Coastal Plain are documented. Water levels in 1,071 wells were measured in 1983, and are compared with 827 water level measurements made in the same wells in 1978. Increased groundwater withdrawals from the major artesian...
Concepts and data-collection techniques used in a study of the unsaturated zone at a low-level radioactive-waste disposal site near Sheffield, Illinois
R. W. Healy, M.P. DeVries, Robert G. Striegl
1986, Water-Resources Investigations Report 85-4228
A study of water and radionuclide movement through the unsaturated zone is being conducted at the low level radioactive waste disposal site near Sheffield, Illinois. Included in the study are detailed investigations of evapotranspiration, movement of water through waste trench covers, and movement of water and radionuclides (dissolved and gaseous)...
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...
