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151
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48
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17
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4
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3
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United States Geological Survey Reports
113
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80
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45
Trace elements investigations report
21
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224 Matching Results
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Effects of Bottom Sediments on Infiltration from the Miami and Tributary Canals to the Biscayne Aquifer Dade County, Florida
This report examines the water quality of water within the Miami Canal, an important source of recharge for the recharge for the Biscayne aquifer. It includes maps and other figures.
Date:
June 1978
Creator:
Miller, Wesley L.
System:
The UNT Digital Library
Appraisal of the Interconnection Between the St. Johns River and the Surficial Aquifer, East-Central Duval County, Florida
From introduction: The U.S. Geological Survey, in cooperation with the U.S. Army Corps of Engineers, conducted a 1-year study to determine the effects of proposed deepening of the navigation channel on the surficial aquifer. A specific objective was to determine the degree of interconnection that exists current between the limestone adjacent to the river and the limestone in the riverbed that is to be dredged.
Date:
1983
Creator:
Spechler, Rick M. & Stone, Roy B., Jr.
System:
The UNT Digital Library
Drainage Basins in Duval County, Florida
"Duval County in northeastern Florida and adjacent to the Atlantic Ocean contains approximately 840 square miles of which approximately 80 square miles are covered by water. The county is drained by three major rivers, the St. Johns, Nassau, and St. Marys. In addition, the coastal areas are drained by numerous small streams that empty into the Intracoastal Waterway or the Atlantic Ocean."
Date:
1983
Creator:
Stone, Roy B. & Largen, Joseph B.
System:
The UNT Digital Library
Selected Flow Characteristics of Florida Streams and Canals
Abstract: This report contains data and statistics on low-flow frequency for 254 stream-gagins stations on Florida streams and canals. The selected stations have 10 or more years of continuous record. A site description, a 10-year hydrograph, and a table of flow duration are presented for each station. A computed monthly 7-day, 10-year low flow is presented for stations when flow is not significantly altered by dams, increased or decreased significantly by diversion, or influence by tides.
Date:
1983
Creator:
Foose, Donald W.
System:
The UNT Digital Library
Saline-Water Intrusion Related to Well Construction in Lee County, Florida
Purpose and scope: This report is intended to identify many of the causes of saline-water intrusion into freshwater aquifers in Lee County, and to describe some of the effects of the intrusion on ground-water quality. Particular emphasis is placed on saline-water intrusion as related to the construction, operation, and maintenance of wells drilled primarily for water-supply, and to the plugging of wells that are no longer used.
Date:
September 1977
Creator:
Boggess, D. H.; Missimer, T. M. & O'Donnell, T. H.
System:
The UNT Digital Library
Chemical and Hydrologic Assessment of the Caloosahatchee River Basin, Lake Okeechobee to Franklin Lock, Florida
From purpose and scope: The U.S. Geological Survey, in cooperation with Lee County, conducted an investigation of the river in 1976-79. This investigation was planned to provide a broader base if information than heretofore available on the freshwater resources of the Caloosahatchee River basin, and in particular to provide information on water-quality conditions with emphasis on nutrients and algal growth. In addition to data collected during 1976-79, some earlier data collected by the U.S. Geological Survey were included to evaluate annual variation and trends.
Date:
1983
Creator:
La Rose, Henry R. & McPherson, Benjamin F.
System:
The UNT Digital Library
Hydrogeology and Water Quality of Six Landfill Sites in Hillsborough County, Florida
Purpose and scope: The objectives of this investigation were to describe the hydrology and geology of six landfill sites and to determine, when possible, changes in water levels due to landfill operations, the direction and extent of leachate movement, and changes in water quality in the surficial aquifer and the Floridian aquifer. The scope of this report is to evaluate pertinent data and results from six landfill site studies that have been conducted in Hillsborough County since 1969.
Date:
1983
Creator:
Stewart, J. W.; Duerr, A. D. & Fernandez, Mario, Jr.
System:
The UNT Digital Library
Flood Profiles for Peace River, South-Central Florida
"This report presents flood heights and profiles for a seventy-mile reach of Peace River from Bartow to Arcadia," Florida, "calculated using the United States Geological Survey step-backwater model." It includes maps, graphs, and tables.
Date:
June 1978
Creator:
Murphy, W. R., Jr.; Hammett, K. M. & Reeter, C. V.
System:
The UNT Digital Library
Water-Quality Assessment of Stormwater Runoff from a Heavily Used Urban Highway Bridge in Miami, Florida
From purpose and scope: The primary purpose of the investigation was to measure both the concentrations and loads of selected water-quality parameters in runoff from the bridge surface during storms.
Date:
1983
Creator:
McKenzie, Donald J. & Irwin, G. A.
System:
The UNT Digital Library
Water Quality at and Adjacent to the South Dade County Solid-Waste Disposal Facility, Florida
From introduction: This report is part of a three-site assessment of water-quality conditions in areas of solid-waste disposal in Dade County. It is primarily intended to furnish county water planners and managers with specific water-quality information regarding the quality of landfill leachate, along with generalized observations on the quality impact on contiguous water resources due to leachate encroachment.
Date:
1983
Creator:
McKenzie, Donald J.
System:
The UNT Digital Library
Hydrogeology, Estimated Impact, and Regional Well Monitoring of Effects of Subsurface Wastewater Injection, Tampa Bay Area, Florida
This report proposes three locations in two Florida counties "for regional monitoring of the effects of subsurface injection" on freshwater resources: Pinellas County and Hillsborough County. It contains a table, maps, and graphs.
Date:
February 1981
Creator:
Hickey, John J.
System:
The UNT Digital Library
Appraisal of Uncontrolled Flowing Artesian Wells in Florida
This report presents an appraisal of the millions of gallons of water lost to uncontrolled flowing wells in Florida. It includes maps and tables.
Date:
December 1978
Creator:
Healy, Henry G.
System:
The UNT Digital Library
Inland Travel of Tide-Driven Saline Water in the Altamaha and Satilla Rivers, Georgia, and the St. Mary's River, Georgia-Florida
From introduction: The purpose of this study was to determine the distance the tide-driven saline water from the ocean traveled upstream and to define the specific-conductance and chloronity gradients in the lower reaches of the Altamaha, Satilla, and St. Marys Rivers during the high spring tide and low-flow event.
Date:
1983
Creator:
Brooks, Myron H. & McConnell, James B.
System:
The UNT Digital Library
Evaluation of a Proposed Connector Well, Northeastern DeSoto County, Florida
Abstract: At a 24,000-acre citrus grove, a connector well is proposed as a resource management tool for capturing water normally lost through evapotranspiration and by excess runoff. Such a well would connect the surficial sand aquifer with the deep, highly transmissive limestone Floridan Aquifer. Because of natural head differences, water would move by gravity flow from the sand into the Floridan Aquifer, thus replenishing water withdrawn for irrigation from the Floridan Aquifer. A 70-acre marsh was selected as the test site based on analyses of hydraulic conductivity, porosity, and water quality. Recharge rate through the connector well under steady-state conditions is estimated at 160 gallons per minute. The proposed connector well is designed to have 10-inch screens opposite zones in the 45-foot thick sand aquifer, be cased for 400 feet opposite confining beds and a secondary limestone aquifer, and be open hole for about 250 feet in the Floridan Aquifer. A graded-sand filter pack placed around the screened sections of the well will increase its efficiency.
Date:
February 1974
Creator:
Hutchinson, C. B. & Wilson, William E.
System:
The UNT Digital Library
Chemical, Physical, and Radiological Quality of Selected Public Water Supplies in Florida, January-May 1979
Abstract: Most public water supplies sampled in Florida meet the National Interim Primary and Proposed Secondary Drinking Water Regulations. This conclusion is based on a water quality reconnaissance of 131 raw and treated public supplies throughout the State during the period January through May 1979. In a few public supplies, primary drinking water regulation maximum contaminant levels were exceeded for mercury, turbidity, and gross alpha particle activity. Secondary drinking water regulations were also occasionally exceeded in some public supplies for such parameters as chloride, pH, color, dissolved solids, iron, and manganese. These parameters, however, are more related to the aesthetic quality of drinking water than to public health aspects.
Date:
February 1980
Creator:
Franks, Bernard J. & Irwin, George A.
System:
The UNT Digital Library
Technique for Estimating Magnitude and Frequency of Floods on Natural-Flow Streams in Florida
From introduction: The purpose of this report is to: (1) Present flood data for the gaged sites used in the flood-frequency analysis. (2) Describe the method of analysis used to develop the flood-estimating technique. (3) Provide regression equations for estimating floods on natural-flow (unregulated) streams. (4) Provide a method for improving the flood estimate at gaged sites. (5) Provide illustrative examples of applying the flood-estimating technique.
Date:
1982
Creator:
Bridges, Wayne C.
System:
The UNT Digital Library
Results of Testing Landspreading of Treated Municipal Wastewater at St. Petersburg, Florida
This report presents the results of testing treated municipal wastewater in Saint Petersburg, Florida. It includes maps and tables.
Date:
February 1979
Creator:
Reichenbaugh, R. C.; Brown, D. P. & Goetz, C. L.
System:
The UNT Digital Library
Hydrologic Monitoring of a Deep-Well Waste-Injection System Near Pensacola, Florida
"This report presents the hydraulic and chemical data collected at a deep-well waste-injection system near Pensacola, Florida." It includes maps, graphs, and tables.
Date:
March 1978
Creator:
Pascale, C. A. & Martin, J. B.
System:
The UNT Digital Library
A Preliminary Appraisal of Sediment Sources and Transport in Kings Bay and Vicinity, Georgia and Florida
From introduction: This report reviews descriptive background information of the Kings Bay area and presents data on currents, salinity, temperature, turbidity, suspended sediment, phytoplankton, and on the chemical and physical characteristics of bottom sediments. Water, salt, and suspended-sediment discharges are computed for consecutive ebbtides and floodtides that occurred during the November investigation.
Date:
1983
Creator:
McConnell, James B.; Radtke, Dean B.; Hale, Timothy W. & Buell, Gary R.
System:
The UNT Digital Library
Chemical and Physical Characteristics of Precipitation at selected Sites in Florida
From abstract: This report critically reviews historical precipitation data collected by the U.S. Geological Survey and concludes that the while the data "may reflect local atmospheric quality conditions they likely do not define baseline conditions from a regional perspective." It contains maps, graphs, and tables.
Date:
September 1980
Creator:
Irwin, G. A. & Kirkland, R. T.
System:
The UNT Digital Library
Nitrogen and Phosphorus Uptake in the Everglades Conservation Areas, Florida, with Special Reference to the Effects of Back-pumping Runoff
From purposes and scope: The purposes of this investigation are to make a qualitative assessment of the effects on water quality of pumping water into the conservation areas, and specifically to evaluate the uptake by sediment and biota of nitrogen, phosphorus, and selected trace elements contained in the water.
Date:
June 1976
Creator:
McPherson, B. F.; Waller, B. G. & Mattraw, H. C.
System:
The UNT Digital Library
Source, Use, and Disposition of Water in Florida--1975
From abstract: This report presents collected data on daily water use for Florida in the year 1975 and includes several maps and tables.
Date:
April 1978
Creator:
Leach, S. D.
System:
The UNT Digital Library
Hydrology of the Sand-and-Gravel Aquifer, Southern Okaloosa and Walton Counties, Northwest Florida
From purpose and scope: This report presents those results of the investigation which pertain to the hydrogeology and availability and quality of water from the sand-and-gravel aquifer. It discusses the hydrogeologic characteristics, hydraulic properties, potential yield, and water quality of the aquifer.
Date:
1983
Creator:
Hayes, Larry R. & Barr, Douglas E.
System:
The UNT Digital Library
Long-Term Water Supply Potential Green Swamp Area, Florida
This report presents survey findings for the Green Swamp in Florida. It includes maps, graphs, and tables.
Date:
January 1979
Creator:
Grubb, Hayes F. & Rutledge, A. T.
System:
The UNT Digital Library