National Water-Quality Assessment (NAWQA) Project

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The National Water-Quality Assessment (NAWQA) Program has produced more than 1,500 reports (complete bibliography) describing how water quality conditions vary locally, regionally, and nationally; whether conditions are getting better or worse over time; and how natural features and human activities affect these conditions. Conditions also were compared to national water-quality standards, guidelines, and benchmarks to assess the potential effects on drinking water and aquatic life. Most of these reports can be accessed on-line through the topical and geographical searches listed below.


Quick Links
to selected NAWQA reports:

General Interest Reports - summaries of relevant scientific information in a form designed for general and scientific audiences.

Fact Sheets - 2-6 page summaries of selected topics or report highlights

SPARROW modeling publications

National NAWQA Publications

NAWQA publications by state:

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Siemion, J., McHale M.R., Lawrence G.B., Burns, A., and Antidormi, M., 2018, Long-term Changes in Soil and Stream Chemistry across an Acid Deposition Gradient in the Northeastern United States: Journal of Environmental Quality, Vol. 47 No. 3, p. 410-418.  DOI: 10.2134/jeq2017.08.0335 Available Online

Waite, I.R., and Van Metre, Peter C., 2017, Multistressor predictive models of invertebrate condition in the Corn Belt, USA: Freshwater Science, vol. 36, no. 4, p. 901-914.  DOI: 10.1086/694894 Available Online

Munn, M.D., Waite, I., and Konrad, C.P., 2017, Assessing the influence of multiple stressors on stream diatom metrics in the upper Midwest, USA: Ecological Indicators, vol. 85, p. 1239-1248.  DOI: 10.1016/j.ecolind.2017.09.005 Available Online

Van Metre, P.C., Mahler, B.J., Carlisle, Daren, and Coles, James, 2018, The Midwest Stream Quality Assessment - Influences of human activities on streams: U.S. Geological Survey Fact Sheet 2017-3087, 6 p.  DOI: 10.3133/fs20173087 Available Online

Meador, M.R., and Frey, J.W., 2018, Relative importance of water-quality stressors in predicting fish community responses in Midwestern streams: JAWRA,   DOI: 10.1111/1752-1688.12646 Available Online

Falcone, J.A., 2018, Changes in imperviousness for U.S. urban areas, 1974-2012: U.S. Geological Survey data release,   DOI: 10.5066/P975GGZQ Available Online

Riskin, M.L., Reutter, D.C., Martin, J.D., and Mueller, D.K., 2018, Quality-control design for surface-water sampling in the National Water-Quality Network: U.S. Geological Survey Open-File Report 2018-1018, 15 p.  DOI: 10.3133/ofr20181018 Available Online

Paretti, N.V., Coes, A.L., Kephart, C.M., and Mayo, J.P., 2017, Collection methods and quality assessment for Esche-richia coli, water quality, and microbial source tracking data within Tumac├ícori National Historical Park and the upper Santa Cruz River, Arizona, 2015-16: U.S. Geological Survey, Scientific Investigations Report 2017-5139, 30 p.  DOI: 10.3133/sir20175139 Available Online

Beisner, K.R., 2017, Geochemistry of sediment and associated leachates from samples near the Old Yuma Mine, AZ: U.S. Geological Survey data release,   DOI: 10.5066/F7348J85 Available Online

Beisner, K.R., Gray, F., 2018, Assessment of geochemical and hydrologic conditions near Old Yuma Mine in Saguaro National Park, Arizona, 2014-17: U.S. Geological Survey Scientific Investigations Report 2018-5019, 52 p.  DOI: 10.3133/sir20185019 Available Online

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