National Water-Quality Assessment (NAWQA) Project

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Publications

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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Recently Added:

Zuellig, R.E. and Carlisle, D.M., 2018, Effects of Antecedent Streamflow and Sample Timing on Trend Assessments of Fish, Invertebrate, and Diatom Communities: Journal of the American Water Resources Association,   https://doi.org/10.1111/1752-1688.12706 Available Online

Falcone, J.A., 2018, Changes in anthropogenic influences on streams and rivers in the conterminous U.S. over the last 40 years, derived for 16 data themes: U.S. Geological Survey data release,   https://doi.org/10.5066/F7XW4J1J. Available Online

Ziegeweid, J.R., Zigler, S.J., Maki, R.P., Karns, B.N., and Love, S.A., 2018, Method comparisons for determining concentrations of metals in water samples used in studies of fish migratory histories: U.S. Geological Survey Scientific Investigations Report 2018-5143, 20 p.  https://doi.org/10.3133/sir20185143 Available Online

Baker, N.T., 2018, Estimated annual agricultural pesticide use by crop group for states of the conterminous United States, 1992-2016: U.S. Geological Survey data release,   https://dx.doi.org/doi:10.5066/F7NP22KM Available Online

Baker, N.T., 2018, Preliminary estimated annual agricultural pesticide use for counties of the conterminous United States, without California Data, 2017: U.S. Geological Survey data release,   https://dx.doi.org/doi:10.5066/F7NP22KM Available Online

Baker, N.T., 2018, Preliminary estimated annual agricultural pesticide use for counties of the conterminous United States, 2016: U.S. Geological Survey data release,   https://dx.doi.org/doi:10.5066/F7NP22KM Available Online

Murphy, J.C. Farmer, W.H., Sprague, L.A., De Cicco, L.A. and Hirsch, R.M., 2018, Water-quality trends and trend component estimates for the Nation's rivers and streams using Weighted Regressions on Time, Discharge, and Season (WRTDS) models and generalized flow normalization, 1972-2012: U.S Geological Survey data release,   https://doi.org/10.5066/F7TQ5ZS3 Available Online

Bock, A.R., Falcone, J.A., and Oelsner, G.P., 2018, Estimates of road salt application across the conterminous United States (1992-2015): U.S. Geological Survey data release,   https://doi.org/10.5066/P96IX385 Available Online

Shoda, M.E., Sprague, L.A., Murphy, J.C., Riskin, M.L., 2018, Water-quality trends in U.S. rivers, 2002 to 2012: Relations to levels of concern: Science of the Total Environment,   https://doi.org/10.1016/j.scitotenv.2018.09.377 Available Online

Oelsner, G.P. and Stets, E.G., 2018, Recent trends in nutrient and sediment loading to coastal areas of the conterminous U.S..: Insights and global context: Science of The Total Environment, v. 654, p. 1225-1240.  https://doi.org/10.1016/j.scitotenv.2018.10.437 Available Online

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