National Water-Quality Assessment (NAWQA) Program
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Larson, S.J., Capel, P.D., and Majewski, M.S, 1997, Pesticides in surface waters: Distribution, trends, and governing factors: Volume 3 of the series: Pesticides in the Hydrologic System: Ann Arbor Press, Chelsea, Michigan, 390 p. Available Online
Lapham, Wayne W., Neitzert, Kathleen M., Moran, Michael J., and Zogorski, John S., 1997, USGS complies data set for national assessment of VOCs in ground water: Ground Water Monitoring and Remediation, Fall 1997, p. 147-157.
Lapham, Wayne W., Moran, Michael J., and Zogorski, John S., 2000, Enhancements of nonpoint source monitoring of volatile organic compounds in ground water: Journal of the American Water Resources Association, vol. 36, no. 6, December 2000, p. 1321-1334. doi: 10.1111/j.1752-1688.2000.tb05729.x Available Online
Lapham, W.W., Hamilton, P.A., and Myers, D.N., 2005, National Water-Quality Assessment Program - Cycle II - Regional assessments of aquifers: U.S. Geological Survey Fact Sheet 2005-3013, 4 p. Available Online
Lapham, W.W., Carter, J.M., Zogorski, J.S., and Valder, J.F., 2006, The occurrence of volatile organic compounds in aquifers of the United States: U.S. Geological Survey Scientific Investigations Map SIM 2931, 1 sheet. Available Online
Lapham, W.W., and Zogorski, J.S., 1996, Occurrence of MTBE in shallow ground water: U.S. Geological Survey Yearbook 1995 Understanding the Earth, p. 30.
Landon, Matthew K., Clark, Brian R., McMahon, Peter B., McGuire, Virginia L., and Turco, Michael J., 2008, Hydrogeology, Chemical Characteristics, and Transport Processes in the Zone of Contribution of a Public-Supply Well in York, Nebraska: U.S. Geological Survey Scientific Investigations Report 2008-5050, 149 p. Available Online
Landon, M.K., Jurgens, B.C., Katz, B.G., Eberts, S.M., Burow, K.R., and Crandall, C.A., 2010, Depth-dependent sampling to identify short-circuit pathways to public-supply wells in multiple aquifer settings in the United States: Hydrogeology Journal, vol. 18, no. 3, p. 577. doi: 10.1007/s10040-009-0531-2 Available Online
Landon, M.K., Eberts, S.M., Jurgens, B.C., Katz, B.G., Burow, K.R., Crandall, C.A., Brown, C.J., and Starn J.J., 2006, Knowledge of where and how contamination-susceptible water enters public-supply wells can be used to improve monitoring strategies and protection plans: Ground Water Protection Council Annual Forum 2006, Sept.30-Oct.4, 2006, Miami Beach, FL., 15 p. Available Online
Landon, M.K., and Turco, M.J., 2007, Hydrogeologic Setting and Ground-Water Flow Simulations of the Eastern High Plains Regional Study Area, Nebraska, Section 8 in Paschke, Suzanne S., ed., 2007, Hydrogeologic settings and ground-water flow simulations for regional studies of the transport of anthropogenic and natural contaminants to public-supply wells--studies begun in 2001: U.S. Geological Survey Professional Paper 1737-A, p. 8-1 to 8-26. Available Online
Kuivila, Kathryn M., Hladik, Michelle L., Ingersoll, Christopher G., Kemble, Nile E., Moran, Patrick W., Calhoun, Daniel L., Nowell, Lisa H., Gilliom, Robert J., 2012, Occurrence and potential sources of pyrethroid insecticides in stream sediments from seven U.S. metropolitan areas: Environmental Science and Technology, vol. 46, no. 8, p. 4297-4303. doi: 10.1021/es2044882 Available Online
Krabbenhoft, D.P., Wiener, J.G., Brumbaugh, W.G., Olson, M.L., DeWild, J.F., and Sabin, T.J., 1999, A National pilot study of mercury contamination of aquatic ecosystems along multiple gradients: in U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 2 of --Contamination of Hydrologic Systems and Related Ecosystems: U.S. Geological Survey Water-Resources Investigations Report 99-4018B, p. 147-160. Available Online
Kolpin, Dana W., Squillace, P.J., Barbash, J.E., and Zogorski, J.S., 1997, Pesticides and volatile organic compounds in shallow urban ground water of the United States: in Chilton, J., ed., Ground water in the urban environment: A.A. balkema, Netherlands, p. 469-474.
Kolpin, Dana W., Barbash, Jack E., and Gilliom, Robert J., 2000, Pesticides in ground water of the United States, 1992-1996: Ground Water, vol. 38, no. 6, p. 858-863. Available Online
Kolpin, Dana W., Barbash, Jack E., and Gilliom, Robert J., 1998, Occurrence of pesticides in shallow ground water of the United States: Initial results from the National Water-Quality Assessment Program: Environmental Science & Technology, vol. 32, no. 5, p. 558-566. doi: 10.1021/es970412g Available Online
Kolpin, Dana W., 1997, Agricultural chemicals in ground water of the midwestern United States: Relations to land use: Journal of Environmental Quality, vol. 26, no. 4, July-August 1997, p. 1025-1037. Available Online
Kolpin, D.W., Nations, B.K., Goolsby, D.A., and Thurman, E.M., 1996, Acetochlor in the hydrologic system in the midwestern United States, 1994: Environmental Science & Technology, vol. 30, no. 5, p. 1459-1464. doi: 10.1021/es9503241 Available Online
Kolpin, D.W., Barbash, J.E. and Gilliom, R.J., 2002, Atrazine and metolachlor occurrence in shallow groundwater of the United States, 1993-95: Journal of the American Water Resources Association, vol. 38, no.1, p. 301-311. doi: 10.1111/j.1752-1688.2002.tb01553.x Available Online
Koch, B., Dale, M., Zogorski, J., Delzer, G., Grady, S., Ivahnenko, T., Clawges, R., and Tratnyek, P., 2003, Occurrence of MTBE and VOCs in drinking water sources of the United States: AWWA Research Foundation Report no. 90954F, 189 p.
Knight, R.R., and Cuffney, T.F., 2012, Invertebrate response to changes in streamflow hydraulics in two urban areas in the United States: U.S. Geological Survey Scientific Investigations Report 2012-5035, 19 p. Available Online
Kingsbury, James A., Delzer, Gregory C., and Hopple, Jessica A., 2008, Anthropogenic Organic Compounds in Source Water of Nine Community Water Systems that Withdraw from Streams, 2002-05: U.S. Geological Survey Scientific Investigations Report 2008-5208, 68 p. Available Online
Kingsbury, James A., Delzer, Gregory C., and Hamilton, Pixie A. , 2008, Man-Made Organic Compounds in Source Water of Nine Community Water Systems that Withdraw from Streams, 2002-05: U.S. Geological Survey Fact Sheet FS 2008-3094, 6 p. Available Online
Kemble, N.E., Hardesty, D.K., Ingersoll, C.G., Kunz, J.L., Sibley, P.K., Calhoun, D.L., Gilliom, R.J., Kuivila, K.M., Nowell, L.H., Moran, P.W., 2012, Contaminants in stream sediments from seven U.S. metropolitan areas: II. Sediment toxicity to the amphipod Hyalella azteca and the midge Chironomus dilutus: Archives of Environmental Contamination and Toxicology (2013), vol. 64, p. 52-64 doi: 10.1007/s00244-012-9815-y Available Online
Kauffman, L.J, and F.H. Chapelle, 2010, Relative vulnerability of public supply wells to VOC contamination in hydrologically distinct regional aquifers: Ground Water Monitoring and Remediation, vol. 30, no. 4, 10 p. doi: 10.1111/j1745-6592.2010.01308.x Available Online
Katz, B.G., McBride, W.S., Hunt, A.G., Crandall, C.A., Metz, P.A., Eberts, S.M., and Berndt, M.P., 2009, Vulnerability of a public supply well in a karstic aquifer to contamination: Ground Water, vol. 47, no. 3, p. 438-452. Available Online
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