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Opportunities to Improve the U.S. Geological Survey National Water Quality Assessment Program
Miller, T. L., and W. G. Wilber. 1999. Emerging drinking water contaminants: Overview and role of the National Water Quality Assessment Program. Pp. 33-42 in Identifying Future Drinking Water Contaminants. Washington, D.C.: National Academy Press.
Preston, S. D., and J. W. Brakebill. 1999. Application of Spatially Referenced Regression Modeling for the Evaluation of Total Nitrogen Loading in the Chesapeake Bay Watershed. U.S. Geological Survey Water-Resources Investigations Report 99-4054. Reston, Va.: U.S. Geological Survey.
Puckett, L. J. 1994. Nonpoint and Point Sources of Nitrogen in Major Watersheds of the United States. U.S. Geological Survey Water-Resources Investigation Report 94-001. Reston, Va.: U.S. Geological Survey.
Ryker, S. J., and A. K. Williamson. 1996. Pesticides in Public Supply Wells of Washington State. U.S. Geological Survey Fact Sheet 122-96. Tacoma, Wash.: U.S. Geological Survey.
Vowinkel, E. F., R. M. Clawges, D. E. Buxton, D. A. Stedfast, and J. B. Louis. 1996. Vulnerability of Public Drinking Water Supplies in New Jersey to Pesticides. U.S. Geological Survey Fact Sheet 165-96. West Trenton, N.J.: U.S. Geological Survey.
Welch, A. H., S. A. Watkins, D. R. Helsel, and M. J. Focazio. 2000. Arsenic in Ground-Water Resources of the United States . U.S. Geological Survey Fact Sheet FS-063-00. Denver, Colo.: U.S. Geological Survey.
Zogorski, J. S., A. Morduchowitz, A. L. Baehr, B. J. Bauman, D. L. Conrad, R. T. Drew, N. E. Korte, W. W. Lapham, J. F. Pankow, and E. R. Washington. 1997. Fuel oxygenates and water quality. Chapter 2 in Interagency Assessment of Oxygenated Fuels. Washington, D.C.: Office of Science and Technology Policy, Executive Office of the President.