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Water Quality Publications

2015

Thumbnail Image of USGS Circular 1406 Report Cover

USGS Circular 1406

Ator, S.W., and Denver, J.M., 2015, Understanding nutrients in the Chesapeake Bay watershed and implications for management and restoration—The Eastern Shore: U.S. Geological Survey Circular 1406, 72 p.


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USGS Data Series 927

Walker, C.W., Degnan, J.R., Brayton, M.J., Cruz, R.M., and Lorah, M.M., 2015,Surface geophysics and porewater evaluation at the Lower Darby Creek Area Superfund Site, Philadelphia, Pennsylvania, 2013: U.S. Geological Survey Data Series 927, 6 p., http://dx.doi.org/10.3133/ds927


2014

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USGS Scientific Investigations Report: SIR 2014-5140

Lorah, M.M., Walker, C.W., Baker, A.C., Teunis, J.A., Majcher, E.H., Brayton, M.J., Raffensperger, J.P., and Cozzarelli, I.M., 2014, Hydrogeologic characterization and assessment of bioremediation of chlorinated benzenes and benzene in wetland areas, Standard Chlorine of Delaware, Inc. Superfund Site, New Castle County, Delaware, 2009–12, 89 p.


2013


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USGS Scientific Investigations Report: SIR 2010-5130

Ator, S.W., Denver, J.M., LaMotte, A.E., and Sekellick, A.J., 2013, A regional classification of the effectiveness of depressional wetlands at mitigating nitrogen transport to surface waters in the Northern Atlantic Coastal Plain: U.S. Geological Survey Scientific Investigations Report 2012–5266, 23 p. First posted January 30, 2013.



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USGS Scientific Investigations Report: SIR 2012-5263

Dieter, C.A., Koterba, M.T., Zapecza, O.S., Walker, C.W., and Rice, D.E., 2013, Hydrogeologic framework, hydrology, and water quality in the Pearce Creek Dredge Material Containment Area and vicinity, Cecil County, Maryland, 2010–11: U.S. Geological Survey Scientific Investigations Report 2012–5263, 219 p. First posted January 17, 2013.



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USGS Scientific Investigations Report: SIR 2012-5265

Chanat, J.G., Miller, C.V., Bell, J.M., Majedi, B.F., and Brower, D.P., 2013, Summary and interpretation of discrete and continuous water-quality monitoring data, Mattawoman Creek, Charles County, Maryland, 2000–11: U.S. Geological Survey Scientific Investigations Report 2012–5265, 42 p.



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USGS Open File Report: OFR 2013–1034

Miller, C.V., Chanat, J.G., and Bell, J.M., 2013, Water quality in the Anacostia River, Maryland and Rock Creek, Washington, D.C.: Continuous and discrete monitoring with simulations to estimate concentrations and yields of nutrients, suspended sediment, and bacteria: U.S. Geological Survey Open-File Report 2013–1034, 37 p., available only at http://pubs.usgs.gov/of/2013/1034


2012


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USGS Scientific Investigations Report: SIR 2012-5011

Dieter, C.A., Campo, K.W., and Baker, A.C., Groundwater Quality and Occurrence and Distribution of Selected Constituents in the Aquia and Upper Patapsco Aquifers, Naval Air Station Patuxent River, St. Mary’s County, Maryland, July 2008: U.S. Geological Survey Scientific Investigations Report 2012-5011, 16 p.



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USGS Scientific Investigations Report: SIR 2012-5235

Clune, J.W., and Denver, J.M., 2012, Residence time, chemical and isotopic analysis of nitrate in the groundwater and surface water of a small agricultural watershed in the Coastal Plain, Bucks Branch, Sussex County, Delaware: U.S. Geological Survey Scientific Investigations Report 2012–5235, 15 p. First posted December 6, 2012.


2011


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USGS Scientific Investigations Report: SIR 2011-5054

Fleming, B.J., DeJong, B.D., and Phelan, D.J., 2011, Geology, Hydrology, and Water Quality of the Little Blackwater River Watershed, Dorchester County, Maryland, 2006—09: U.S. Geological Survey Scientific Investigations Report 2011—5054, 82 p. Posted May 2011.



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USGS Scientific Investigations Report: SIR 2011-5167

Clune, J.W., and Denver, J.M., 2012, Residence time, chemical and isotopic analysis of nitrate in the groundwater and surface water of a small agricultural watershed in the Coastal Plain, Bucks Branch, Sussex County, Delaware: U.S. Geological Survey Scientific Investigations Report 2012–5235, 15 p. First posted December 6, 2012.


2010

Thumbnail Image of SIR 2010-5130 Report Cover

USGS Scientific Investigations Report: SIR 2010-5130

Michael T. Koterba, Cheryl A. Dieter, and Cherie V. Miller, Pesticides in Groundwater in the Anacostia River and Rock Creek Watersheds in Washington, D.C., 2005 and 2008, 102 p.


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USGS Scientific Investigations Report: SIR 2010-5162

Daniel J. Phelan and Cherie V. Miller, Occurrence and Distribution of Organic Wastewater Compounds in Rock Creek Park, Washington, D.C., 2007–08, 80 p.


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USGS Scientific Investigations Report: SIR 2010-5206

Betzaida Reyes, Occurrence and Distribution of Organic Chemicals and Nutrients and Comparison of Water-Quality Data from Public Drinking-Water Supplies in the Columbia Aquifer in Delaware, 2000–08, 76 p.



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USGS Scientific Investigations Report: SIR 2010-5176

Denver, J.M., Cravotta, C.A., III, Ator, S.W., and Lindsey, B.D., 2010, Contributions of Phosphorus from Groundwater to Streams in the Piedmont, Blue Ridge, and Valley and Ridge Physiographic Provinces, Eastern United States: U.S. Geological Survey Scientific Investigations Report 2010—5176, 38 p. Published January 20, 2010.


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USGS Open File Report: OFR 2010-1071

Michelle M. Lorah, Daniel J. Soeder, and Jessica A. Teunis, Summary of Organic Wastewater Compounds and Other Water-Quality Data in Charles County, Maryland, October 2007 through August 2008, 19 p., plus appendixes.


2009

Thumbnail Image of SIR 2009-5112 Report Cover

USGS Scientific Investigations Report: SIR 2009-5112

Emily H. Majcher, Michelle M. Lorah, Daniel J. Phelan, and Angela L. McGinty, Design and Performance of an Enhanced Bioremediation Pilot Test in a Tidal Wetland Seep, West Branch Canal Creek, Aberdeen Proving Ground, Maryland, 84 p.


2008

Thumbnail Image of SIR 2008-5190 Report Cover

USGS Scientific Investigations Report: SIR 2008-5190

Scott W. Ator, Natural and Human Influences on Water Quality in a Shallow Regional Unconsolidated Aquifer, Northern Atlantic Coastal Plain, 32 p.


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USGS Fact Sheet: FS 2008-3068

Scott W. Ator and Betzaida Reyes, Pesticides in Groundwater of Central and Western Maryland, 6 p.


2007

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USGS Fact Sheet: FS 2007-3085

Michael J. Brayton, Judith M. Denver, Gregory C. Delzer, and Pixie A. Hamilton, Organic Compounds in Potomac River Water Used for Public Supply near Washington, D.C., 2003-05, 6 p.


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USGS Scientific Investigations Report: SIR 2007-5165

Lorah and others, Microbial Consortia Development and Microcosm and Column Experiments for Enhanced Bioremediation of Chlorinated Volatile Organic Compounds, West Branch Canal Creek Wetland Area, Aberdeen Proving Ground, Maryland, 92 p.


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USGS Scientific Investigations Report: SIR 2007-5142

Cherie V. Miller, Angélica L. Gutiérrez-Magness, Brenda L. Feit Majedi, and Gregory D. Foster, Water Quality in the Upper Anacostia River, Maryland: Continuous and Discrete Monitoring with Simulations to Estimate Concentrations and Yields, 2003-05, 51 p.


2006

Thumbnail Image of SIR 2006-5233 Report Cover

USGS Scientific Investigations Report: SIR 2006-5233

Emily H. Majcher, Daniel J. Phelan, Michelle M. Lorah, and Angela L. McGinty, Characterization of Preferential Groundwater Seepage From a Chlorinated Hydrocarbon-Contaminated Aquifer to West Branch Canal Creek, Aberdeen Proving Ground, Maryland, 2002-04, 204 p.


Thumbnail Image of SIR 2006-5080 Report Cover

USGS Scientific Investigations Report: SIR 2006-5080

Jonathan J.A. Dillow and Jeff P. Raffensperger, Estimates of the Loads of Nitrite + Nitrate in the Flow of Bassett Creek to the Maryland Coastal Bays Adjacent to Assateague Island National Seashore, Water Years 2003–2004, 18 p.


Thumbnail Image of SIR 2006-5038 Report Cover

USGS Scientific Investigations Report: SIR 2006-5038

Angélica L. Gutiérrez-Magness, Simulation of Nutrient and Sediment Concentrations and Loads in the Delaware Inland Bays Watershed: Extension of the Hydrologic and Water-Quality Model to Ungaged Segments, 36 p.


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USGS Open File Report: OFR 2006-1392

Cheryl A. Klohe and Linda M. Debrewer, Summary of Groundwater-Quality Data in the Anacostia River Watershed, Washington, D.C., September-December 2005, 74 p.


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USGS Scientific Investigations Report: SIR 2006-5011

Michael T. Koterba, A. Scott Andres (Delaware Geological Survey), Joseph Vrabel, Dianna M. Crilley, Zolton Szabo, John F. DeWild, George R. Aiken, and Betzaida Reyes-Padro, Occurrence and Distribution of Mercury in the Surficial Aquifer, Long Neck Peninsula, Sussex County, Delaware, 2003-04, 175 p.


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USGS Fact Sheet: FS 2006-3119

Judith M. Denver and Scott W. Ator, Pesticides in Groundwater of the Maryland Coastal Plain , 24 p.


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USGS Scientific Investigations Report: SIR 2006-5178

Michael J. Langland, Jeff P. Raffensperger, Douglas L. Moyer, Jurate M. Landwehr, and Gregory E. Schwarz, Changes in Streamflow and Water Quality in Selected Nontidal Basins in the Chesapeake Bay Watershed, 1985-2004, 75 p.


Thumbnail Image of SIR 2006-5140 Report Cover

USGS Scientific Investigations Report: SIR 2006-5140

Cherie V. Miller (U.S. Geological Survey, Baltimore, MD) , Holly S. Weyers (U.S. Geological Survey, Baltimore, MD), Vicki S. Blazer (U.S. Geological Survey, National Fish Health Research Laboratory, Kearneysville, WV), and Mary E. Freeman (U.S. Geological Survey, Patuxent Wildlife Research Center, University of Georgia, Athens, GA), 48 p., Chemical and Ecological Health of White Sucker (Catostomus Commersoni) in Rock Creek Park, Washington, D.C., 2003–04, 48 p.


2005

Thumbnail Image of SIR 2005-5257 Report Cover

USGS Scientific Investigations Report: SIR 2005-5257

Linda M. Debrewer, Scott W. Ator, and Judith M. Denver, Factors Affecting Spatial and Temporal Variability in Nutrient and Pesticide Concentrations in the Surficial Aquifer on the Delmarva Peninsula, 56 p.


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USGS Scientific Investigations Report: SIR 2005-5057

Michelle M. Lorah, Tracey A. Spencer, and Angela L. McGinty, Temporal Changes in Indicators of Natural Attenuation and Physical Controlling Factors for a Freshwater Tidal Wetland Contaminated With Chlorinated Volatile Organic Compounds, West Branch Canal Creek, Aberdeen Proving Ground, Maryland, 1995-2001, 64 p.


2004

Thumbnail Image of SIR 2004-5220 Report Cover

USGS Scientific Investigations Report: SIR 2004-5220

Michelle M. Lorah, David R. Burris, and Linda Jo Dyer, Natural Attenuation of Chlorinated Solvent Groundwater Plumes Discharging Into Wetlands, 201 p.


Thumbnail Image of SIR 2004-5125 Report Cover

USGS Scientific Investigations Report: SIR 2004-5125

Michael P. Senus, Michael J. Langland, and Douglas L. Moyer, Nutrient and Sediment Concentrations, Loads, and Trends for Four Nontidal Tributaries in the Chesapeake Bay Watershed, 1997-2001, 33 p.


Thumbnail Image of SIR 2004-5118 Report Cover

USGS Scientific Investigations Report: SIR SIR 2004-5118

Earl A. Greene, Andrew E. LaMotte, and Kerri-Ann Cullinan, Groundwater Vulnerability to Nitrate Contamination at Multiple Thresholds in the Mid-Atlantic Region Using Spatial Probability Models, 24 p.


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USGS Scientific Investigations Report: SIR SIR 2004-5056

Allen C. Gellis, William S.L. Banks, Michael J. Langland, and Sarah K. Martucci, Summary of Suspended-Sediment Data for Streams Draining the Chesapeake Bay Watershed, Water Years 1952–2002, 59 p.


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USGS Scientific Investigations Report: SIR 2004-5051

Scott W. Ator, Judith M. Denver, and Michael J. Brayton, Hydrologic and Geochemical Controls on Pesticide and Nutrient Transport to Two Streams on the Delmarva Peninsula, 34 p.


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USGS Scientific Investigations Report: SIR 2004-5011

Marie Stewart, William R. Guertal, and Jeffrey R. Barbaro (USGS) and Timothy McHale (Dover National Test Site), Distribution of Methyl Tert-Butyl Ether (MTBE) and Selected Water-Quality Constituents in the Surficial Aquifer at the Dover National Test Site, Dover Air Force Base, Delaware, 2001, 13 p.


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USGS Open File Report: OFR 2004-1324

Andrew A. LaMotte, Metadata for ReVA Logistic Regression Dataset, 9 p.


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USGS Open File Report: OFR 2004-1433

John W. Brakebill and Stephen D. Preston, Online Publication - OFR-2004-1433 - Digital Data Used to Relate Nutrient Inputs to Water Quality in the Chesapeake Bay Watershed, Version 3.0, 20 p.


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USGS Fact Sheet: FS 2004-3067

Earl A. Greene, Andrew E. LaMotte, Kerri-Ann Cullinan,and Elizabeth R. Smith, Groundwater Vulnerability to Nitrate Contamination at Multiple Thresholds in the Mid-Atlantic Region, 4 p.


2003

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USGS Fact Sheet: FS 111-03

Judith C. Wheeler, Freshwater Use Trends in Delaware, 2000, 2 p.


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USGS Fact Sheet: FS 112-03

Judith C. Wheeler, Freshwater Use Trends in Maryland, 1985-2000, 4 p.


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USGS Fact Sheet: FS 091-03

Scott W. Phillips and Bruce D. Lindsey, The Influence of Groundwater on Nitrogen Delivery to the Chesapeake Bay, 6 p.


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USGS Open File Report: OFR 03-73

Cherie V. Miller and Cheryl A. Klohe, Summary of Water- and Sediment-Quality Data for Anacostia River Well Sites Sampled in July-August 2002, 54 p.


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USGS Water Resources Investigations Report: WRIR 03-4119

Michelle M. Lorah, Mary A. Voytek, and Tracey A. Spencer, Preliminary Assessment of Microbial Communities and Biodegradation of Chlorinated Volatile Organic Compounds in Wetlands at Cluster 13, Lauderick Creek Area, Aberdeen Proving Ground, Maryland, 19 p.


2002

Thumbnail Image of WRIR 02-4282 Report Cover

USGS Water Resources Investigations Report: WRIR 02-4282

Daniel J. Soeder and Cherie V. Miller, Groundwater Contamination from Lead Shot at Prime Hook National Wildlife Refuge, Sussex County, Delaware, 26 p.


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USGS Water Resources Investigations Report: WRIR 02-4076

Daniel J. Phelan, William B. Fleck, Michelle M. Lorah, and Lisa D. Olsen, Changes in Groundwater Quality in the Canal Creek Aquifer Between 1995 and 2000–2001, West Branch Canal Creek Area, Aberdeen Proving Ground, Maryland, 42 p.


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USGS Water Resources Investigations Report: WRIR 02-4157

Michelle M. Lorah, Mary A. Voytek, Julie D. Kirshtein, and Elizabeth J. (Phillips) Jones, Anaerobic Degradation of 1,1,2,2-Tetrachloroethane and Association with Microbial Communities in a Freshwater Tidal Wetland, Aberdeen Proving Ground, Maryland: Laboratory Experiments and Comparisons to Field Data, 61 p.


Thumbnail Image of WRIR 02-4121 Report Cover

USGS Water Resources Investigations Report: WRIR 02-4121

Jeffrey R. Barbaro and Pradumna P. Neupane, Distribution and Mass Loss of Volatile Organic Compounds in the Surficial Aquifer at Sites FT03, LF13, and WP14/LF15, Dover Air Force Base, Delaware, November 2000–February 2001, 53 p.


Thumbnail Image of WRIR 02-4067 Report Cover

USGS Water Resources Investigations Report: WRIR 02-4067

A.L. Anderson,, C.V. Miller, L.D. Olsen, E.J. Doheny, and D.J. Phelan, 2002, Water quality, sediment quality, and stream-channel classification of Rock Creek, Washington, D.C., 1999-2000, 91 p.


Thumbnail Image of WRIR 02-4029 Report Cover

USGS Water Resources Investigations Report: WRIR 02-4029

Jonathan J.A. Dillow, William S.L. Banks and Michael J. Smigaj, Groundwater Quality and Discharge to Chincoteague and Sinepuxent Bays Adjacent to Assateague Island National Seashore, Maryland, 42 p.


2001

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USGS Open File Report: OFR 01-420

Tracey A. Spencer, Daniel J. Phelan, Lisa D. Olsen, and Michelle M. Lorah, Groundwater and Surface-Water Quality Data for the West Branch Canal Creek Area, Aberdeen Proving Ground, Maryland, November 1999–May 2001, 37 p.


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USGS Open File Report: OFR-01-327

Matthew J. Ferrari, Occurrence and Distribution of Selected Contaminants in Public Drinking-Water Supplies in the Surficial Aquifer in Delaware, 17 p.


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USGS Open File Report: OFR-01-292

Daniel J. Phelan, Lisa D. Olsen, Michael P. Senus, and Tracey A. Spencer, Assessment of Volatile Organic Compounds in Surface Water at Canal Creek, Aberdeen Proving Ground, Maryland, November 1999–September 2000 57 p.


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USGS Open File Report: OFR-01-251

John W. Brakebill, Stephen D. Preston, and Sarah K. Martucci, Digital Data Used to Relate Nutrient Inputs to Water Quality in the Chesapeake Bay Watershed, Version 2.0, 17 p.


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USGS Open File Report: OFR-01-292

Daniel J. Phelan, Lisa D. Olsen, Michael P. Senus, and Tracey A. Spencer, Assessment of Volatile Organic Compounds in Surface Water at Canal Creek, Aberdeen Proving Ground, Maryland, November 1999–September 2000, 57 p.


Thumbnail Image of WRIR 01-4216 Report Cover

USGS Water Resources Investigations Report: WRIR 01-4216

William S.L. Banks and David A. Battigelli, Occurrence and Distribution of Microbiological Contamination and Enteric Viruses in Shallow Groundwater in Baltimore and Harford Counties, Maryland, 44 p.


Thumbnail Image of WRIR 01-4147 Report Cover

USGS Water Resources Investigations Report: WRIR 01-4147

William S.L. Banks, Cheryl A. Klohe, and David A. Battigelli, Occurrence and Distribution of Enteric Viruses in Shallow Groundwater and Factors Affecting Well Vulnerability to Microbiological Contamination in Worcester and Wicomico Counties, Maryland, 28 p.


Thumbnail Image of WRIR 01-4150 Report Cover

USGS Water Resources Investigations Report: WRIR 01-4150

Jeffry R. Barbaro, Assessment of Natural Attenuation of Groundwater Contamination at Sites FT03, LF13, and WP14/LF15, Dover Air Force Base, Delaware, 53 p.


Thumbnail Image of WRIR-01-4106 Report Cover

USGS Water Resources Investigations Report: WRIR-01-4106

Frederick J. Tenbus and William B. Fleck, Simulation of Groundwater Flow and Transport of Chlorinated Hydrocarbons at Graces Quarters, Aberdeen Proving Ground, Maryland, 57 p.


2000

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USGS Water Resources Investigations Report: WRIR-00-4232

Stephen D. Preston, Statistical Identification of Hydrochemical Response Units for Hydrologic Monitoring and Modeling in Maryland.


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USGS Open File Report: OFR-00-446

Daniel J. Phelan, Michael P. Senus, and Lisa D. Olsen, Lithologic and Groundwater-Quality Data Collected Using Hoverprobe Drilling Techniques at the West Branch Canal Creek Wetland, Aberdeen Proving Ground, Maryland, April-May 2000, 43 p.


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USGS Open File Report: OFR-00-208

Mick P. Senus and Frederick J. Tenbus, Long-Term Groundwater Monitoring Program and Performance-Evaluation Plan for the Extraction System at the Former Nike Missile Battery Site, Aberdeen Proving Ground, Maryland, 21 p.


Thumbnail Image of OFR-00-203 Report Cover

USGS Open File Report: OFR-00-203

Lisa D. Olsen and Tracy A. Spencer, Abstract of Assessment of Volatile Organic Compounds in Surface Water at West Branch Canal Creek, Aberdeen Proving Ground, Maryland, 1999.


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USGS Open File Report: OFR-00-282

Spencer, T.A., Olsen, L.D., Lorah, M.M., and Mount, M.M. Water-Quality and Water-Level Data for a Freshwater Tidal Wetland, West Branch Canal Creek, Aberdeen Proving Ground, Maryland, October 1998 - September 1999, 189 p.


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USGS Fact Sheet: FS 157-00

Scott W. Ator, Judith M. Denver, and Ann M. Pitchford (EPA), Developing Landscape-Indicator Models for Pesticides and Nutrients in Streams of the Mid-Atlantic Coastal Plain, 1 figure, 1 table, 4 p.


Thumbnail Image of FS 053-00 Report Cover

USGS Fact Sheet: FS 053-00

Joseph L. Bachman and David E. Krantz, The Potential for Denitrification of Groundwater by Coastal Plain Sediments in the Patuxent River Basin, Maryland, 2 figures, 1 table, 4 p.


1999

Water Resources Investigations Report: WRIR 99-4240
William S.L. Banks and Andrew E. LaMotte, Sediment Accumulation and Water Volume in Loch Raven Reservoir, Baltimore County, Maryland Poster reformatted for the Web.

Water Resources Investigations Report: WRIR 99-4167
Jonathan J.A. Dillow, and Earl A. Greene, Groundwater Discharge and Nitrate Loadings to the Coastal Bays of Maryland, 8p.

Water Resources Investigations Report: WRIR 99-4054
Stephen D. Preston and John W. Brakebill, Application of Spatially Referenced Regression Modeling for the Evaluation of Total Nitrogen Loading in the Chesapeake Bay Watershed 1 table, 12 figures, 12 p.

Open File Report: OFR-99-60
John W. Brakebill and Stephen D. Preston, Digital Data Used to Relate Nutrient Inputs to Water Quality in the Chesapeake Bay Watershed, Version 1.0.

Open File Report: OFR 99-57
Miller, C.V., Foster, G.D., Huff, T.B., Garbarino, John R., Organic Compounds and Trace Elements in the Pocomoke River and Tributaries, Maryland

Fact Sheet: FS 150-99
By Scott W. Phillips, Michael J. Focazio, and L. Joseph Bachman, Discharge, Nitrate Load, and Residence Time of Groundwater in the Chesapeake Bay Watershed 7 figures, 1 table, 6 p.


1998

Open File Report: OFR 98-180
A.L. Derosier, J.W. Brakebill, J.M. Denis, and S.K. Kelley, Water-Quality Assessment of the Potomac River Basin: Water-Quality and Selected Spatial Data, 1992-96

Open File Report: OFR 98-158
Ator, S.W., Nitrate and Pesticide Data for Waters of the Mid-Atlantic Region, 2 p.

Water Resources Investigations Report: WRIR 98-4177
Linda C. Darrell, Brenda Feit Majedi, Joy S.Lizarraga, and Joel D. Blomquist, Nutrient and Suspended-Sediment Concentrations, Trends, Loads, and Yields from the Nontidal part of the Susquehanna, Potomac, Patuxent, and Choptank Rivers, 1985–96, 13 tables, 10 figures, 38 p.

Water Resources Investigations Report: WRIR 98-4059
L.J. Bachman, B. Lindsey, J. Brakebill, and D.S. Powars, Groundwater Discharge and Base Flow Nitrate Loads of Nontidal Streams, and Their Relation to a Hydrogeomorphic Classification of the Chesapeake Bay Watershed, Middle Atlantic Coast.

C-1166
Ator, S.W., Blomquist, J.D., Brakebill, J.W., Denis, J.M., Ferrari, M.J., Miller, C.V., and Zappia, Humbert, 1998, Water quality in the Potomac River Basin - Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia, 1992-96, 38 p.

Open File Report: OFR 97-666
Donnelly, C.A., Ferrarri, M.J., Summary of Pesticide Data from Streams Wells in the Potomac River Basin, 1993-96, 8 p.


1997

Water Resources Investigations Report: WRIR 97-4280
Ferrari, M.J., Ator, S.W., Blomquist, J.D., and Dysart, J.E., Pesticides in Surface Water of the Mid-Atlantic Region, 12p.

Water Resources Investigations Report: WRIR 97-4225
M.J. Focazio, L.N. Plummer, J.K. Bohike, E. Busenberg, L.J. Bachman, and D.S Powars, Preliminary Estimates of Residence Times and Apparent Ages of Groundwater in the Chesapeake Bay Watershed, and Water Quality Data From a Survey of Springs, 75 p.

Water Resources Investigations Report: WRIR 97-4171
M.M. Lorah, L.D. Olsen, B.L. Smith, M.A. Johnson, and W.B. Fleck, Natural Attenuation of Chlorinated Volatile Organic Compounds in a Freshwater Tidal Wetland, Aberdeen Proving Ground, Maryland, 95 p.

Water Resources Investigations Report: WRIR 97-4139
S.W. Ator, and M.J. Ferrari, Nitrate and selected pesticides in Groundwater of the Mid-Atlantic Region, 8 p.

Water Resources Investigations Report: WRIR 97-4051
Humbert Zappia, and G.T. Fisher, Water-Quality Assessment of the Potomac River Basin: Analysis of Available Pesticide Data, 1972-90, 80 p.


1996

Water Resources Investigations Report: WRIR 96-4210
Humbert Zappia, Chlordane, DDT, PCB's, and Other Selected Organic Compounds in Asiatic Clams and Yellow Bullhead in the Potomac River Basin, Maryland, 1992, 6 p.

Fact Sheet: FS 140-96
By L.D. Zynjuk and B.S. Majedi, January 1996 Floods Deliver Large Loads of Nutrients and Sediments to the Chesapeake Bay, 2 p.


1995

Water Resources Investigations Report: WRIR 95-4099
Matthew J. Ferrari and Scott W. Ator., Nitrate in Groundwater in the Great Valley Carbonate Subunit of the Potomac River Basin, 6 p.


1991

Open File Report: OFR 91-157
Gerhart, J.M., National water-quality assessment program--the Potomac River Basin (fact sheet).

W-2400
National Water Summary 1990-91--Hydrologic Events and Stream Water Quality: Maryland and the District of Columbia

W-2400
National Water Summary 1990-91--Hydrologic Events and Stream Water Quality: Delaware


1985

Water-Supply Paper 2275
McGreevy, L.J., and Wheeler, J.C., 1985, Maryland and the District of Columbia in National Water summary 1984, Hydrologic events--Selected water-quality trends, and Groundwater resources, p. 243-248.


1984

W-2275
Hodges, A.L. Jr. Delaware in National Water summary 1984, Hydrologic events--Selected water-quality trends, and Groundwater resources, p. 243-248


Abstracts

Brakebill, J.W., 1995, Analyzing effects of land use on Groundwater quality in the Potomac River Basin: Abstract Booklet, Mid-Atlantic Highlands Area Environmental Monitoring and Assessment Conference, October 24-26, 1995.

Blomquist, J. D., and Fisher, G. T., 1994, Nitrogen sources and nitrate loads in major watersheds of the Upper Potomac River Basin [abs.],: EOS, Transactions of the American Geophysical Union, v. 75, n. 16, p. 165, Supplement with abstracts for the 1994 Spring Meeting, Baltimore, Md.

Brakebill, J. W., 1994, Applications of a geographic information system in water-quality assessment of the Potomac River Basin study unit, National Water-Quality Assessment Program [abs.]: Abstract Booklet, Mid-Atlantic Highlands Area Environmental Monitoring and Assessment Conference, Hershey, Pennsylvania, February 23-25, 1994, p. 63.

Ferrari, M.J., 1994, Assessment of Groundwater quality in the Great Valley Carbonate subunit, Potomac River basin study unit, national water-quality assessment program [abs.]: EOS, Transactions of the American Geophysical Union, v. 75, n. 16, p. 166, Supplement with abstracts for the 1994 Spring Meeting, Baltimore, Md.

Ferrari, M.J., 1994, Assessment of Groundwater quality in the Great Valley Carbonate subunit, Potomac River Basin study unit, national water-quality assessment program [abs.]: Abstract Booklet, Mid-Atlantic Highlands Area Environmental Monitoring and Assessment Conference, Hershey, Pennsylvania, February 23-25, 1994, p. 39.

Fisher, G.T. , 1994, Assessment of surface-water quality in the Great Valley carbonate subunit, Potomac River Basin study unit, National Water-Quality Assessment Program [abs.]: Abstract Booklet, Mid-Atlantic Highlands Area Environmental Monitoring and Assessment Conference, Hershey, Pennsylvania, February 23-25, 1994, p. 44.

Gerhart, J.M. 1994, Study design for assessing the occurrence and distribution of water-quality conditions in the Potomac River Basin study unit, NAWQA program [abs.]: Abstract Booklet, Mid-Atlantic Highlands Area Environmental Monitoring and Assessment Conference, Hershey, Pennsylvania, February 23-25, 1994, p. 39.

Gerhart, J.M., and Brakebill, J.W., 1993, Design of a multi-scale water-quality assessment for the Potomac River Basin [abs.]: EOS, Transactions of the American Geophysical Union, Supplement with abstracts for the 1993 Spring Meeting, Baltimore, Md.

Zappia, Humbert, 1994, Ecological surveys at fixed water-quality monitoring stations, Potomac River Basin study unit, National Water-Quality Assessment Program [abs.]: Abstract Booklet, Mid-Atlantic Highlands Area Environmental Monitoring and Assessment Conference, Hershey, Pennsylvania, February 23-25, 1994, p. 42.

Zappia, Humbert, and Sorenson, S.K., 1994, Benthic-macroinvertebrate communities and water quality in agricultural and urban subbasins in the Great Valley carbonate subunit of the Potomac River Basin, [abs.]: in Sorenson, Stephen K., ed., 1994, Proceedings abstracts American Water Resources Association's symposium on the National Water-Quality Assessment Program--November 7-9, 1994, Chicago, Illinois: U.S. Geological Survey Open-File Report 94-397, p. 18.


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