National Water-Quality Assessment (NAWQA) Program
More Information about Trends
Regional and National Monitoring and Assessments of Streams and Rivers |
Regional Assessments of Principal Aquifers |
Contaminant Trends in Lake Sediments
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Miller, M.P., Brasher, A.M.D., and Kennen, J.G., 2013, Multi-regional synthesis of temporal trends in biotic assemblages in streams and rivers of the continental United States: U.S. Geological Survey Scientific Investigations Report 2013-5046, 20 p. Available Online
Barlow, Jeannie R.B., Kingsbury, James A., and Coupe, Richard H., 2012, Changes in shallow groundwater quality beneath recently urbanized areas in the Memphis, Tennessee area: Journal of the American Water Resources Association, vol. 48, no. 2, p. 336-354. doi: 10.1111/j.1752-1688.2011.00616.x Available Online
Kennen, Jonathan G., May, Jason T., Bell, Amanda H., Beaulieu, Karen M., and Rice, Donald E., 2012, Temporal changes in aquatic-invertebrate and fish assemblages in streams of the north-central and northeastern US : Ecological Indicators, vol. 18, p. 312-329. doi:10.1016/j.ecolind.2011.11.022 Available Online
Lindsey, B.D., and Rupert, M.G., 2012, Methods for evaluating temporal groundwater quality data and results of decadal-scale changes in chloride, dissolved solids, and nitrate concentrations in groundwater in the United States, 1988-2010: U.S. Geological Survey Scientific Investigations Report 2012-5049, 46 p. Available Online
McMahon, P.B., 2012, Use of classes based on redox and groundwater age to characterize the susceptibility of principal aquifers to changes in nitrate concentrations, 1991 to 2010: U.S. Geological Survey Scientific Investigations Report 2012-5220, 41 p. Available Online
Wiele, S.M., Brasher A.M.D., Miller, M.P., May J.T., and Carpenter, K.D., 2012, Biotic, water-quality, and hydrologic metrics calculated for the analysis of temporal trends in National Water Quality Assessment Program Data in the Western United States: U.S. Geological Survey Open-File Report 2012-1203, 11 p. Available Online
Martin, J.D. Eberle, M.,and Nakagaki, N., 2011, Sources and preparation of data for assessing trends in concentrations of pesticides in streams of the United States, 1992-2010: U.S. Geological Survey Data Series 655, 23 p. Available Online
Sprague, Lori A., Hirsch, Robert M., and Aulenbach, Brent T., 2011, Nitrate in the Mississippi River and its tributaries, 1980 to 2008: Are we making progress?: Environmental Science & Technology, online in advance of print, 8 p. doi: 10.1021/es201221s Available Online
Johnson, Henry M., Domagalski, Joseph L., and Saleh, Dina K., 2010, Trends in pesticide concentrations in streams of the western United States, 1993-2005: Journal of the American Water Resources Association, published online 6 Dec 2010, 22 p. doi: 10.1111/j.1752-1688.2010.00507.x Available Online
Ryberg, K.R., Vecchia, A.V., Martin, J.D., and Gilliom, R.J., 2010, Trends in pesticide concentrations in urban streams in the United States, 1992-2008: U.S. Geological Survey Scientific Investigations Report 2010-5139, 101 p. Available Online
Denver, J.M., Tesoriero, A.J., and Barbaro, J.R., 2009, Trends and transformation of nutrients and pesticides in a Coastal Plain Aquifer System, United States: Journal of Environmental Quality 2009 39, p. 154-167. doi: 10.2134/jeq2009.0107 Available Online
Harned, D.A., Staub, E.L., Peak, K.L., Tighe, K.M., and Terziotti, Silvia, 2009, Trends in water quality in the Southeastern United States, 1973-2005: U.S. Geological Survey Scientific Investigations Report 2009-5268, 25 p. Available Online
Lorenz, D.L., Robertson, D.M., Hall, D.W., and Saad, D.A., 2009, Trends in streamflow and nutrient and suspended-sediment concentrations and loads in the Upper Mississippi, Ohio, Red, and Great Lakes River Basins, 1975-2004: U.S. Geological Survey Scientific Investigations Report 2008-5213, 81 p. Available Online
Martin, J.D., 2009, Sources and preparation of data for assessing trends in concentrations of pesticides in streams of the United States, 1992-2006: U.S. Geological Survey Scientific Investigations Report 2009-5062, 41 p. Available Online
Musgrove, MaryLynn, Fahlquist, Lynne, Houston, N.A., Lindgren, R.J., and Ging, P.B., 2009, Geochemical evolution processes and water-quality observations based on results of the National Water-Quality Assessment Program in the San Antonio segment of the Edwards aquifer, 1996-2006: U.S. Geological Survey Scientific Investigations Report 2010-5129, 93 p. Available Online
Sprague, L.A., and Lorenz, D.L., 2009, Regional nutrient trends in streams and rivers of the United States, 1993-2003: Environmental Science and Technology, vol. 43, no. 10, p. 3430-3435. doi: 10.1021/es803664x Available Online
Sprague, L.A., Mueller, D.K., Schwarz, G.E., and Lorenz, D.L., 2009, Nutrient trends in streams and rivers of the United States, 1993-2003: U.S. Geological Survey Scientific Investigations Report 2008-5202, 196 p. Available Online
Staub, E.L., Peak, K.L., Tighe, K.C., Sadorf, E.M., and Harned, D.A., 2009, Data used in analyses of trends, and nutrient and suspended-sediment loads for streams in the Southeastern United States, 1973-2005: U.S. Geological Survey Data Series 488, on-line only. Available Online
Sullivan, D.J., Vecchia, A.V., Lorenz, D.L., Gilliom, R.J., and Martin, J.D., 2009, Trends in pesticide concentrations in corn-belt streams, 1996-2006: U.S. Geological Survey Scientific Investigations Report 2009-5132, 75 p. Available Online
Vecchia, Aldo V., Gilliom, Robert J., Sullivan, Daniel J., Lorenz, David L., and Martin, Jeffrey D., 2009, Trends in concentrations and use of agricultural herbicides for Corn Belt rivers, 1996-2006: Environmental Science & Technology, vol. 43, no. 24, 7 p. doi: 10.1021/es902122j Available Online
Anning, David W., 2008, Dissolved solids in basin-fill aquifers and streams in the southwestern United States--Executive Summary: U.S. Geological Survey Fact Sheet 2008-3076, 4 p. Available Online
Bexfield, Laura M., 2008, Decadal-scale changes of pesticides in ground water of the United States, 1993-2003: Journal of Environmental Quality, 2008, vol. 37, no. 5, p. S226-S239. doi:10.2134/jeq2007.0054 Available Online
Burow, K.R., and Green, C.T., 2008, Spatial and temporal trends in nitrate concentration in the Eastern San Joaquin Valley Regional Aquifer and implications for nitrogen fertilizer management: California Plant and Soil Conference: Conservation of Agricultural Resources, February 5 & 6, 2008, Visalia, California, p. 47-52. Available Online
Burow, Karen R., Shelton, Jennifer L., and Dubrovsky, Neil.M., 2008, Regional nitrate and pesticide trends in ground water in the Eastern San Joaquin Valley, California: Journal of Environmental Quality 2008 37, p. S249-S263. doi: 10.2134/jeq2007.0061 Available Online
Dalton, Melinda S., and Frick, Elizabeth A., 2008, Fate and transport of pesticides in the ground water systems of southwest Georgia, 1993-2005: Journal of Environmental Quality, vol. 37, no. 5, p. S264-S272. doi: 10.2134/jeq2007.0163 Available Online
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