Magnitude and frequency of flooding on the Myakka River, Southwest Florida
K.M. Hammett, J.F. Turner Jr., W. R. Murphy Jr.
1978, Water-Resources Investigations Report 78-65
Myakka River is a coastal stream that drains approximately 550 square miles in southwest Florida. Under natural conditions, Tatum Sawgrass, a large depression, served as a flood overflow area for the upper part of the Myakka River basin. A recently constructed (1974) dike system across the lower part of Tatum...
An analysis of stream temperatures, Green River Basin, Wyoming
H. W. Lowham
1978, Water-Resources Investigations Report 78-13
A method for estimating temperatures of streams in the Green River basin, Wyoming, utilizes a regional model for estimating mean daily temperatures of streams at unmeasured sites. The regional model was developed by describing annual temperature patterns at 43 measured sites and by applying the harmonic function T = M...
Predictive analyses of ground-water discharges in the Willow Creek Watershed, northeast Nebraska
Jack T. Dugan, Eric G. Lappala
1978, Water-Resources Investigations Report 78-67
Ground-water discharge to Willow Creek, which drains a 204 mi2 watershed in northeast Nebraska was predicted for six combinations of conditions of climate and ground-water development. A digital model of the ground water/surface-water system was stressed with recharge and withdrawal functions determined from a linear reservoir model of the soil...
Ground-water conditions in the Eureka area, Humboldt County, California, 1975
Michael J. Johnson
1978, Water-Resources Investigations Report 78-127
Ground-water conditions in the Eureka area, Calif., were evaluated during 1975 to determine whether significant changes had occurred since 1952, when an earlier reconnaissance was made. No major changes in water levels or water quality were noted at 1975 pumping rates. Recharge to the ground-water system compensates for both artificial...
Maps showing ground-water conditions in the eastern part of the Salt River Valley area, Maricopa and Pinal counties, Arizona, 1976
R. L. Laney, P. P. Ross, G. R. Littin
1978, Water-Resources Investigations Report 78-61
In 1976 about 1.68 million acre-feet of ground water was pumped in the Salt River Valley, Ariz. Since 1923, more than 73 million acre-feet has been withdrawn, which has resulted in a general decline in water levels. Water levels in the eastern part of the Salt River Valley area have...
Evaluation and correlation of water-quality data for the North Fork Flathead River, northwestern Montana
J. R. Knapton
1978, Water-Resources Investigations Report 78-111
This report is a compilation and evaluation of water-quality measurements that have been made by the U.S. Geological Survey at two stations on the North Fork Flathead River in Montana. Historical streamflow records show an annual mean daily discharge of 3,010 cubic feet per second near the mouth--a threefold increase...
Reaeration capacity of the Rock River between Lake Koshkonong, Wisconsin and Rockton, Illinois
R. Stephen Grant
1978, Water-Resources Investigations Report 77-128
The reaeration capacity of the Rock River from Lake Koshkonong, Wisconsin, to Rockton, Illinois, was determined using the energy-dissipation model. The model was calibrated using data from radioactive-tracer measurements in the study reach. Reaeration coefficients (K2) were computed for the annual minimum 7-day mean discharge that occurs on the average...
Water-supply potential of the lower Hillsborough River, Florida, 1976
Carole L. Goetz, Ronald C. Reichenbaugh, Junior K. Ogle
1978, Water-Resources Investigations Report 78-29
The Tampa Reservoir Dam, constructed in 1945 on the lower Hillsborough River 10 miles above the mouth, provides 12.5 miles of natural channel storage for city water supply. Flow of the lower Hillsborough River and storage in Tampa Reservoir become deficient during annual dry periods. Excluding dead storage, Tampa Reservoir...
Source, use, and disposition of water in Florida, 1975
Stanley D. Leach
1978, Water-Resources Investigations Report 78-17
On the average, 18,420 million gallons of water was withdrawn for use in Florida each day in 1975--an increase of 3,107 million gallons per day (Mgal/d) rate since 1970. The 1975 daily total was made up of 11,502 million gallons of saline water and 6,918 million gallons of freshwater. The...
Fluvial sediment study of Fishtrap and Dewey Lakes drainage basins, Kentucky-Virginia
William F. Curtis, Russell F. Flint, Frederick H. George, John F. Santos
1978, Water-Resources Investigations Report 77-123
Fourteen drainage basins above Fishtrap and Dewey Lakes in the Levisa Fork and Johns Creek drainage basins of eastern Kentucky and southwestern Virginia were studied to determine sedimentation rates and origin of sediment entering the two lakes. The basins ranged in size from 1.68 to 297 square miles. Sediment yields...
Chemical and physical quality of selected public water supplies in Florida, August-September 1976
G. A. Irwin, Henry G. Healy
1978, Water-Resources Investigations Report 78-21
Results of a 1976 water-quality reconnaissance made by the U.S. Geological Survey indicated that, with few exceptions, all public water supplies in Florida are of high quality and meet the standards set forth in the National Interim Primary Drinking Water Regulations. Occasionally the concentrations of fluoride, turbidity, cadmium, chromium, and...
Preliminary applications of Landsat images and aerial photography for determining land-use, geologic, and hydrologic characteristics, Yampa River basin, Colorado and Wyoming
F.J. Heimes, G. K. Moore, T.D. Steele
1978, Water-Resources Investigations Report 78-96
Expanded energy- and recreation-related activities in the Yampa River basin, Colorado and Wyoming, have caused a rapid increase in economic development which will result in increased demand and competition for natural resources. In planning for efficient allocation of the basin 's natural resources, Landsat images and small-scale color and color-infrared...
Hydrologic analysis of the U.S. Bureau of Mines' underground oil-shale research-facility site, Piceance Creek Basin, Rio Blanco County, Colorado
R. H. Dale, John B. Weeks
1978, Water-Resources Investigations Report 78-28
The U.S. Bureau of Mines plans to develop an underground oil-shale research facility near the center of Piceance Creek basin in Colorado. The oil-shale zone, which is to be penetrated by a shaft, is overlain by 1,400 feet of sedimentary rocks, primarily sandstone and marlstone, consisting of two aquifers separated...
Users guide for distributed routing rainfall-runoff model
D.R. Dawdy, John C. Schaake Jr., William M. Alley
1978, Water-Resources Investigations Report 78-90
A computer program of a watershed model for routing urban flood discharges through a branched system of pipes or natural channels using rainfall as input has been developed and documented. The model combines soil-moisture-accounting and rainfall-excess components developed by Dawdy and others (1972) with the kinematic-wave routing method presented by...
Maps showing water-level declines, land subsidence, and earth fissures in south-central Arizona
R. L. Laney, R.H. Raymond, C.C. Winikka
1978, Water-Resources Investigations Report 78-83
From 1915 to 1975, more than 109 million acre-feet of ground water was withdrawn from about 4,500 square miles in Pinal and Maricopa Counties in south-central Arizona. The volume of water withdrawn greatly exceeds the volume of natural recharge, and water levels have been declining since 1923. As a result...
Geohydrologic evaluation of a landfill in a coastal area, St Petersburg, Florida
C. B. Hutchinson, Joseph W. Stewart
1978, Water-Resources Investigations Report 77-78
The 250-acre Toytown landfill site is in a poorly-drained area in coastal Pinellas County, Florida. Average altitude of land surface at the landfill is less than 10 feet. About 1000 tons of solid waste and about 200,000 gallons of digested sewage sludge are disposed of daily at the landfill. The...
The Mississippi River Valley alluvial aquifer in Mississippi
G.J. Dalsin
1978, Water-Resources Investigations Report 78-106
The Mississippi River valley alluvial aquifer, of Quaternary age , contains freshwater in an area of 7,000 sq mi adjacent to the Mississippi River in northwestern Mississippi, and in a 500 sq mi irregular area in southwestern Mississippi. It is the highest yielding aquifer in Mississippi with individual well yields...
Public water supplies of North Carolina: A summary of water sources, use, treatment, and capacity of water-supply systems
L.T. Mann Jr.
1978, Water-Resources Investigations Report 78-16
A study of the public water-supply systems in North Carolina with 500 or more customers provides information needed to aid the planning, development, and utilization of the public water supplies of the State. Water use, sources of water, water quality, water treatment and capacity of 224 public-water-supply systems were investigated...
Computer modeling of ground-water availability in the Pootatuck River Valley, Newtown, Connecticut
F.P. Haeni, Elinor H. Handman
1978, Water-Resources Investigations Report 78-77
A hydrologic analysis of the stratified drift in Newtown, Conn., based on available data, test drilling, seismic refraction profiling, and the stream-aquifer connection was performed using a digital computer model. Simulated pumping indicates that a total of 4.0 million gallons of water per day (Mgal/d) can be withdrawn from the...
Map showing ground-water conditions in the Kaibito and Tuba City areas, Coconino and Navajo counties, Arizona, 1978
C. D. Farrar
1978, Water-Resources Investigations Report 79-58
The Kaibito and Tuba City areas include about 2,500 square miles in north-central Arizona. Ground water is obtained from the N aquifer and from alluvium. The N aquifer consists of Navajo Sandstone, Kayenta Formation, Moenave Formation, and the Lukachukai Member of the Wingate Sandstone. The main source of ground water...
Water-quality assessment of runoff from a rural highway bridge near Tallahassee, Florida
G. A. Irwin, Gerald T. Losey
1978, Water-Resources Investigations Report 79-1
Runoff from a rural highway bridge on U.S. 27 near Tallahassee, Florida, was found to have an insignificant water-quality loading impact on the Ochlockonee River. Potential annual-runoff loads on the bridge surface for virtually all constituents studied were less than one percent of those transported by the river at the...
Progress report on hydrologic investigations of small drainage areas in New Hampshire: preliminary relations for estimating peak discharges on rural, unregulated streams
Denis R. LeBlanc
1978, Water-Resources Investigations Report 78-47
The magnitude and frequency of floods on rural, unregulated streams in New Hampshire with drainage areas between 0.27 and 622 square miles may be estimated from drainage area, main-channel slope, and a precipitation intensity index. Based on multiple-regression analyses of data from 59 gaged sites in New Hampshire and adjacent...
Map showing ground-water conditions in the House Rock area, Coconino County, Arizona-- 1976
G. W. Levings, C. D. Farrar
1978, Water-Resources Investigations Report 78-15
The House Rock area includes about 1,500 sq mi in north-central Arizona. Ground water is present in several aquifers that are made up of one or more formations. In the Paria Plateau and Wahweap areas ground water is obtained from the N aquifer, which includes the Navajo Sandstone, Kayenta Formation,...
Land use, land cover, and drainage on the Albemarle-Pamlico Peninsula, Eastern North Carolina, 1974
C.C. Daniel
1978, Water-Resources Investigations Report 78-134
A land use, land cover, and drainage map of the 2,000-square-mile Albermarle-Pamlico peninsula of eastern North Carolina has been prepared, at a scale of 1:125,000, as part of a larger study of the effects of large-scale land clearing on regional hydrology. The peninsula includes the most extensive area of wetland...
A rainfall-runoff modeling procedure for improving estimates of T-year (annual) floods for small drainage basins
Robert W. Lichty, Fred Liscum
1978, Water-Resources Investigations Report 78-7
Maps depicting the influence of a climatic factor, C, on the magnitude of synthetic T-year (annual) floods were prepared for a large portion of the eastern United States. The climatic factors were developed by regression analysis of flood data using a parametric rainfall-runoff model and long-term rainfall records. Map estimates...
