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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Barbash, J.E., and Resek, E.A., 1996, Pesticides in ground water: Distribution, trends, and governing factors: Volume 2 of the series: Pesticides in the Hydrologic System: Ann Arbor Press, Chelsea, Michigan, 590 p. Available Online
Van Metre, P.C., Wilson, J.T., Harwell, G.R., Gary, M.O., Heitmuller, F.T., and Mahler, B.J., 2003, Occurrence, sources, and trends in particle-associated contaminants in selected streams and lakes in Fort Worth, Texas: U.S. Geological Survey Water-Resources Investigations Report 03-4169, 154 p. Available Online
Lundgren, Robert F., and Lopes, Thomas J., 1999, Occurrence, distribution, and trends of volatile organic compounds in the Ohio River and its major tributaries, 1987-96: U.S. Geologcial Survey Water-Resources Investigations Report 99-4257, 99 p. Available Online
Wilson, J.T., 2003, Occurrence of and trends in selected sediment-associated contaminants in Caddo Lake, East Texas, 1940-2002: U.S. Geological Survey Water-Resources Investigations Report 03-4253, 88 p. 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
Harned, Douglas A., Atkins, Brian, and Harvill, John S., 2004, Nutrient mass balance and trends, Mobile River Basin, Alabama, Georgia, and Mississippi: Journal of the American Water Resources Association, vol. 40, no. 3, p. 765-793. doi:10.1111/j.1752-1688.2004.tb04458.x Available Online
Wise, Daniel R., Rinella III, Frank A., Rinella, Joseph F., Fuhrer, Greg J., Embrey, Sandra S., Clark, Gregory E., Schwarz, Gregory E., and Sobieszczyk, Steven, 2007, Nutrient and Suspended-Sediment Transport and Trends in the Columbia River and Puget Sound Basins, 1993-2003: U.S. Geological Survey Scientific Investigations Report 2007-5186, 117 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
Paschke, Suzanne S., Schaffrath, Keelin R., and Mashburn, Shana L., 2008, Near-Decadal Changes in Nitrate and Pesticide Concentrations in the South Platte River Alluvial Aquifer, 1993-2004: Journal of Environmental Quality, vol. 37, no. 5, p. S281-S295. doi: 10.2134/jeq2007.0656 Available Online
Hughes, W. Brian and Berndt, Marian P., 2003, National water-quality assessment in Georgia--2001-2011: in Hatcher, K.J., ed., Proceedings of the 2003 Georgia Water Resources Conference, April 23-24, University of Georgia, Athens, Georgia, 5 p. Available Online
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
Vecchia, A.V., Martin, J.D., and Gilliom, R.J., 2008, Modeling variability and trends in pesticide concentrations in streams: Journal of the American Water Resources Assocation, vol. 44, no. 5, October 2008, p. 1308-1324. doi: 10.1111/j.1752-1688.2008.00225.x 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
Mahler, B.J., and Van Metre, P.C., 2002, Llano Grande Lake Bottom Sediments--A Chronicle of Water-Quality Changes in the Arroyo Colorado, South Texas, 1989-2001: U.S. Geological Survey Fact Sheet 065-02, 4 p. Available Online
Tesoriero, Anthony J., Saad, David A., Burow, Karen R., Frick, Elizabeth A., Puckett, Larry J., and Barbash, Jack E., 2007, Linking ground-water age and chemistry data along flow paths: Implications for trends and transformations of nitrate and pesticides: Journal of Contaminant Hydrology, vol. 94, p. 139-155. doi: 10.1016/j.jconhyd.2007.05.007 Available Online
Kim, Moon H., and Ebbert, James C., 1997, Irrigation and surface-water quality in the Quincy and Pasco Basins, Washington: U.S. Geological Survey Fact Sheet 080-97, 2 p. Available Online
Rosen, Michael R., and Lapham, Wayne W., 2008, Introduction to the U.S. Geological Survey National Water-Quality Assessment (NAWQA) of Ground-Water Quality Trends and Comparison to Other National Programs: Journal of Environmental Quality, vol. 37, no. 5, p. S190-S198. doi: 10.2134/jeq2008.0049 Available Online
Van Metre, P.C., and Callender, E., 1996, Identifying water-quality trends in the Trinity River, Texas, USA, 1969-1992, using sediment cores from Lake Livingston: Environmental Geology, vol. 28, no. 4, p. 190-200. doi: 10.1007/s002540050093 Available Online
Van Metre, P.C., and Callender, E., 1997, Identifying water-quality trends 1912-94 using dated sediment cores from White Rock Lake reservoir, Dallas, Texas: Journal of Paleolimnology, vol. 17, p. 239-249. Available Online
Greve, Adrienne I., Spahr, Norman E., Van Metre, Peter C., and Wilson, Jennifer T., 2001, Identification of water-quality trends using sediment cores from Dillon Reservoir, Summit County, Colorado: U.S. Geological Survey Water-Resources Investigations Report 01-4022, 33 p. Available Online
Van Metre, P.C., Callender, E., and Fuller, C.C., 1997, Historical trends in organochlorine compounds in river basins identified using sediment cores from reservoirs: Environmental Science and Technology, vol. 31, no. 8, p. 2339-2344. doi: 10.1021/es960943p 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
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
Debrewer, L.M., Ator, S.W., and Denver, J.M., 2007, Factors affecting spatial and temporal variability in nutrient and pesticide concentrations in the surficial aquifer on the Delmarva Peninsula: U.S. Geological Survey Scientific Investigations Report 2005-5257, 44 p. Available Online
Rosen, Michael R., Voss, Frank D., and Arufec, Jorge A., 2008, Evaluation of Intra-annual Variation in U.S. Geological Survey National Water Quality Assessment Ground Water Quality Data: Journal of Environmental Quality, vol. 37, no. 5, p. S199-S208. doi: 10.2134/jeq2007.0055 Available Online
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