National Water-Quality Assessment (NAWQA) Project
More Information about Methods
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Sandstrom, Mark W., Stroppel, Max E., Foreman, William T., and Schroeder, Michael P., 2001, Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory - determination of moderate-use pesticides and selected degradates in water by C-18 solid-phase extraction and gas chromatography/mass spectrometry : U.S. Geological Survey Water-Resources Investigations Report 2001-4098, 70 p. Available Online
Taglioli, Brandon L., Delzer, Gregory C., and Zogorski, John S., 2001, Study design and analytical results used to evaluate carry-over contamination by volatile organic compounds in surface- and ground-water sampling procedures: U.S. Geological Survey Open-File Report 00-384, 36 p. Available Online
Alpers, Charles N., Taylor, Howard E., and Domagalski, Joseph L., eds., 2000, Metal transport in the Sacramento River, California, 1996-97: Volume 1: Methods and data: U.S. Geological Survey Water-Resources Investigations Report 99-4286, 430 p. Available Online
Chang, Ming, Kennen, Jonathan G., and Del Corso, Ellyn, 2000, Evaluating temporal changes in stream condition in three New Jersey river basins by using an index of biotic integrity: Bulletin New Jersey Academy of Sciences, vol. 45, p. 1-12. Available Online
Francy, Donna S., Myers, Donna N., and Helsel, Dennis R., 2000, Microbiological monitoring for U.S. Geological Survey National Water-Quality Assessment Program: U.S. Geological Survey Water-Resources Investigations Report 00-4018, 34 p. Available Online
Lydy, M.J., Crawford, C.G., and Frey, J.W., 2000, A comparison of selected diversity, similarity, and biotic indices for detecting changes in benthic invertebrate community structure and stream quality: Archives of Environmental Contamination and Toxicology, vol. 39, no. 4, p. 469-479. doi: 10.1007/s002440010129 Available Online
McMahon, Gerard, and Cuffney, Thomas, 2000, Quantifying urban intensity in drainage basins for assessing stream ecological conditions: Journal of the American Water Resources Association, vol. 36, no. 6, December 2000, p. 1247-1261. doi: 10.1111/j.1752-1688.2000.tb05724.x Available Online
Moulton II, S.R., Carter, J.L., Grotheer, S.A., Cuffney, T.F., and Short, T.M., 2000, Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-- Processing, taxonomy, and quality control of benthic macroinvertebrate samples: U.S. Geological Survey Open-File Report 00-212, 49 p. Available Online
Robertson, Dale M., and Richards, Kevin D., 2000, Influence of different temporal sampling strategies on estimating loads and maximum concentrations in small streams: Conference Proceedings NWQMC National Monitoring Conference 2000, Monitoring for the Millennium, p. 209-223.
Spruill, Timothy B., and Galeone, David R., 2000, Effectiveness of riparian buffers in reducing nitrate-nitrogen concentrations in ground water: International Conference on Riparian Ecology and Management in Multi-Land Use Watersheds, American Water Resources Association, p. 119-124.
Alexander, R.B., Brakebill, J.W., Brew, R.E., and Smith, R.A., 1999, ERF1-Enhanced River Reach File 1.2: U.S. Geological Survey Open-File Report 99-457, map. Available Online
Fitzpatrick, F.A., 1999, Use of a geographic information system in the Upper Illinois River Basin pilot project of the National Water-Quality Assessment Program: in Remote Sensing and GIS Application to Nonpoint Source Planning USEPA Northeastern Illinois Planning Commission Workshop, October 1-3, 1990, Chicago, Illinois, p. 55-66.
Ging, Patricia B., 1999, Water-quality assessment of South-Central-Texas: Comparison of water quality in surface-water samples collected manually and by automated samplers: U.S. Geological Survey Fact Sheet FS-172-99, 6 p. Available Online
Halde, Michael J., Delzer, Gregory C., and Zogorski, John S., 1999, Study design and analytical results used to evaluate a surface-water point sampler for volatile organic compounds: U.S. Geological Survey Open-File Report 98-651, 31 p. Available Online
Hopkins, Evelyn H., and Hippe, Daniel J., 1999, Can land-use patterns serve as a predictor of pesticide occurrence within an urban landscape?: in Hatcher, K.J., ed., U.S. Geological Survey reprints from proceedings of the 1999 Georgia Water Resources Conference, March 30-31, 1999 The University of Georgia, Athens, Georgia, p. 180-185.
Jones, Joseph L., and Roberts, Lonna M., 1999, The relative merits of monitoring and domestic wells for ground water quality investigations: Ground Water Monitoring & Remediation, vol. 19, no. 3, p. 138-144. Available Online
Love, Jason T., Delzer, Gregory C., Abney, Sonja R., and Zogorski, John S., 1999, Study design and analytical results used to evaluate stability of volatile organic compounds in water matrices: U.S. Geological Survey Open-File Report 98-637, 156 p. Available Online
Rees, Julie A.H., 1999, Converting contour-line data into data sets for a multilayered aquifer using a geographic information system: U.S. Geological Survey Open-File Report 99-54, 29 p. Available Online
Robertson, D.M. and Roerish, E.D., 1999, Influence of various water quality sampling strategies on load estimates for small streams: Water Resources Research, v. 35, no. 12, p. 3747-3759. DOI: 10.1029/1999WR900277 Available Online
Squillace, Paul J., Pankow, James F., Barbash, Jack E., Price, Curtis V., and Zogorski, John S., 1999, Preserving ground water samples with hydrochloric acid does not result in the formation of chloroform: Ground Water Monitoring and Remediation, Winter 1999, p. 67-74. Available Online
Bastian, K.Chad, Thurman, E.M., Kleiss, and Rebich, Richard A., 1998, Comparison of enzyme-linked immunoassay with gas chromatography/mass spectrometry for analysis of the cotton herbicide fluometuron: Proceedings of the 28th Mississippi Water Resources Conference, April 7-8 1998, Raymond, MS, p. 45-55.
Connor, B.F., Rose,D.L., Noriega, M.C., Murtagh, L., and Abney, S.R., 1998, Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory -- Determination of 86 Volatile Organic Compounds in Water by Gas Chromatography/Mass Spectrometry, Including Detections Less Than Reporting Limits: U.S. Geological Survey Open-File Report 97-829, 78 p. Available Online
Fitzpatrick, Faith A., Waite, Ian R., D'Arconte, Patricia J., Meador, Michael R., Maupin, Molly A., and Gurtz, Martin E., 1998, Revised methods for characterizing stream habitat in the National Water-Quality Assessment Program: U.S. Geological Survey Water-Resources Investigations Report 98-4052, 67 p. Available Online
Gilliom, Robert J., Mueller, David K., and Nowell, Lisa H., 1998, Methods for comparing water-quality conditions among National Water-Quality Assessment Study Units, 1992-1995: U.S. Geological Survey Open-File Report 97-589, 54 p. Available Online
Koterba, Michael T., 1998, Ground-water data-collection protocols and procedures for the National Water-Quality Assessment Program: Collection, documentation, and compilation of required site, well, subsurface, and landscape data for wells: U.S. Geological Survey Water-Resources Investigations Report 98-4107, 91 p. Available Online
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