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Water Quality In The Principal Aquifers Of The Piedmont Blue Ridge And Valley And Ridge Regions Eastern United States 1993 2009
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Book Synopsis Water Quality in the Principal Aquifers of the Piedmont, Blue Ridge, and Valley and Ridge Regions, Eastern United States, 1993--2009 by : Bruce D. Lindsey
Download or read book Water Quality in the Principal Aquifers of the Piedmont, Blue Ridge, and Valley and Ridge Regions, Eastern United States, 1993--2009 written by Bruce D. Lindsey and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Summary of the hydrogeology of the Valley and Ridge, Blue Ridge, and Piedmont physiographic provinces in the eastern United States by :
Download or read book Summary of the hydrogeology of the Valley and Ridge, Blue Ridge, and Piedmont physiographic provinces in the eastern United States written by and published by DIANE Publishing. This book was released on with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimated Hydrologic Characteristics of Shallow Aquifer Systems in the Valley and Ridge, the Blue Ridge, and the Piedmont Physiographic Provinces Based on Analysis of Streamflow Recession and Base Flow by : A. T. Rutledge
Download or read book Estimated Hydrologic Characteristics of Shallow Aquifer Systems in the Valley and Ridge, the Blue Ridge, and the Piedmont Physiographic Provinces Based on Analysis of Streamflow Recession and Base Flow written by A. T. Rutledge and published by . This book was released on 1996 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Summary of the Hydrogeology of the Valley and Ridge, Blue Ridge, and Piedmont Physiographic Provinces in the Eastern United States by : Lindsay A. Swain
Download or read book Summary of the Hydrogeology of the Valley and Ridge, Blue Ridge, and Piedmont Physiographic Provinces in the Eastern United States written by Lindsay A. Swain and published by U S Geological Survey. This book was released on 2004 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Naturally Occurring Contaminants in the Piedmont and Blue Ridge Crystalline-Rock Aquifers and Piedmont Early Mesozoic Basin Siliciclastic-Rock Aquifer by : Melinda J Chapman
Download or read book Naturally Occurring Contaminants in the Piedmont and Blue Ridge Crystalline-Rock Aquifers and Piedmont Early Mesozoic Basin Siliciclastic-Rock Aquifer written by Melinda J Chapman and published by CreateSpace. This book was released on 2014-08-01 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Groundwater quality and aquifer lithologies in the Piedmont and Blue Ridge Physiographic Provinces in the eastern United States vary widely as a result of complex geologic history. Bedrock composition (mineralogy) and geochemical conditions in the aquifer directly affect the occurrence (presence in rock and groundwater) and distribution (concentration and mobility) of potential naturally occurring contaminants, such as arsenic and radionuclides, in drinking water. To evaluate potential relations between aquifer lithology and the spatial distribution of naturally occurring contaminants, the crystalline-rock aquifers of the Piedmont and Blue Ridge Physiographic Provinces and the siliciclastic-rock aquifers of the Early Mesozoic basin of the Piedmont Physiographic Province were divided into 14 lithologic groups, each having from 1 to 16 lithochemical subgroups, based on primary rock type, mineralogy, and weathering potential. Groundwater-quality data collected by the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Program from 1994 through 2008 from 346 wells and springs in various hydrogeologic and land-use settings from Georgia through New Jersey were compiled and analyzed for this study. Analyses for most constituents were for filtered samples, and, thus, the compiled data consist largely of dissolved concentrations. Concentrations were compared to criteria for protection of human health, such as U.S. Environmental Protection Agency (USEPA) drinking water maximum contaminant levels and secondary maximum contaminant levels or health-based screening levels developed by the USGS NAWQA Program in cooperation with the USEPA, the New Jersey Department of Environmental Protection, and Oregon Health & Science University. Correlations among constituent concentrations, pH, and oxidation-reduction (redox) conditions were used to infer geochemical controls on constituent mobility within the aquifers. Of the 23 trace-element constituents evaluated, arsenic, manganese, and zinc were detected in one or more water samples at concentrations greater than established human health-based criteria. Arsenic concentrations typically were less than 1 microgram per liter (ug/L) in most groundwater samples; however, concentrations of arsenic greater than 1 ug/L frequently were detected in groundwater from clastic lacustrine sedimentary rocks of the Early Mesozoic basin aquifers and from metamorphosed clastic sedimentary rocks of the Piedmont and Blue Ridge crystalline rock aquifers. Groundwater from these rock units had elevated pH compared to other rock units evaluated in this study. Of the nine samples for which arsenic concentration was greater than 10 ug/L, six were classified as oxic and three as anoxic, and seven had pH of 7.2 or greater. Manganese concentrations typically were less than 10 ug/L in most samples; however, 8.3 percent of samples from the Piedmont and Blue Ridge crystalline-rock aquifers and 3.0 percent of samples from the Early Mesozoic basin siliciclastic rock aquifers had manganese concentrations greater than the 300-ug/L health-based screening level. The positive correlation of manganese with iron and ammonia and the negative correlation of manganese with dissolved oxygen and nitrate are consistent with the reductive dissolution of manganese oxides in the aquifer. Zinc concentrations typically were less than 10 ug/L in the groundwater samples considered in the study, but 0.4 percent and 5.5 percent of the samples had concentrations greater than the health-based screening level of 2,000 ug/L and one-tenth of the health-based screening level, respectively. The mean rank concentration of zinc in groundwater from the quartz-rich sedimentary rock lithologic group was greater than that for other lithologic groups even after eliminating samples collected from wells constructed with galvanized casing.
Book Synopsis Brackish Groundwater in the United States by : Jennifer S. Stanton
Download or read book Brackish Groundwater in the United States written by Jennifer S. Stanton and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Quality in Basin-fill Aquifers of the Southwestern United States by : Susan A. Thiros
Download or read book Water Quality in Basin-fill Aquifers of the Southwestern United States written by Susan A. Thiros and published by . This book was released on 2014 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: Major findings: 1) Contaminants in water from one of every three drinking-water wells sampled are a potential human-health concern. 2) Arsenic and uranium derived from geologic sources are potential drinking-water concerns. 3) Dissolved-solids concentrations in groundwater are increasing in some areas. 4) Artificial recharge and groundwater withdrawals are moving contaminants to deeper parts of basin-fill aquifers.
Book Synopsis Groundwater Quality by : Harriet Nash
Download or read book Groundwater Quality written by Harriet Nash and published by Springer. This book was released on 1994-10-31 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Groundwater quality monitoring and testing is of paramount importance both in the developed and developing world. This book presents a series of papers illustrating the varied nature of current research into groundwater quality. Urban and rural supplies are covered through a case history approach, and the importance of remedial action to prevent deterioration is emphasized.
Book Synopsis Quality of Water in the Alluvial Aquifer and Tributary Alluvium of the Fountain Creek Valley, Southwestern El Paso County, Colorado, 1991-92 by : Michael E. Lewis
Download or read book Quality of Water in the Alluvial Aquifer and Tributary Alluvium of the Fountain Creek Valley, Southwestern El Paso County, Colorado, 1991-92 written by Michael E. Lewis and published by . This book was released on 1995 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Quality of Ground Water in the Principal Aquifers of Southwestern Washington by : J. C. Ebbert
Download or read book The Quality of Ground Water in the Principal Aquifers of Southwestern Washington written by J. C. Ebbert and published by . This book was released on 1985 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quality of Water in the Alluvial Aquifer, American Bottoms, East St. Louis, Illinois by : David C. Voelker
Download or read book Quality of Water in the Alluvial Aquifer, American Bottoms, East St. Louis, Illinois written by David C. Voelker and published by . This book was released on 1984 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plan of Study for the Regional Aquifer-system Analysis of the Appalachian Valley and Ridge, Piedmont, and Blue Ridge Physiographic Provinces of the Eastern and Southeastern United States, with a Description of Study-area Geology and Hydrogeology by : Lindsay A. Swain
Download or read book Plan of Study for the Regional Aquifer-system Analysis of the Appalachian Valley and Ridge, Piedmont, and Blue Ridge Physiographic Provinces of the Eastern and Southeastern United States, with a Description of Study-area Geology and Hydrogeology written by Lindsay A. Swain and published by . This book was released on 1991 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Summary of the hydrogeology of the valley and ridge, Blue Ridge, and Piedmont physiographic provinces in the eastern United States by : Lindsay A. Swain
Download or read book Summary of the hydrogeology of the valley and ridge, Blue Ridge, and Piedmont physiographic provinces in the eastern United States written by Lindsay A. Swain and published by . This book was released on 2004 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Factors Affecting Groundwater Quality in the Valley and Ridge Aquifers, Eastern United States, 1993-2002 by :
Download or read book Factors Affecting Groundwater Quality in the Valley and Ridge Aquifers, Eastern United States, 1993-2002 written by and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific Investigations Report by : Sharon E. Kroening
Download or read book Scientific Investigations Report written by Sharon E. Kroening and published by . This book was released on 2004 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aquifer Susceptibility in Virginia, 1998-2000 by : David L. Nelms
Download or read book Aquifer Susceptibility in Virginia, 1998-2000 written by David L. Nelms and published by . This book was released on 2003 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Quality in the Glacial Aquifer System, Northern United States, 1993-2009 by : Kelly L. Warner
Download or read book Water Quality in the Glacial Aquifer System, Northern United States, 1993-2009 written by Kelly L. Warner and published by . This book was released on 2014 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Major Findings: 1) Contaminants from geologic source--in particular arsenic and manganese--in groundwater used for drinking are a potential concern for human health 2) Concentrations of nitrate and pesticides in groundwater were low in fine-grained sediment even in areas of intensive agriculture 3) Chloride concentrations in groundwater are increasing in urban areas 4) "Nuisance" constituents in groundwater from the glacial aquifer system could limit groundwater use.