Jim Tesoriero


Jim Tesoriero is a Research Hydrologist for the National Water-Quality Assessment Program in Portland, Oregon. His expertise in geochemistry and contaminant hydrology has been used to asesss the fate and transport of contaminants in both groundwater and streams.



Ph.D., Environmental Science and Engineering, Institute of Environmental Health, Oregon Health and Science University (formerly the Oregon Graduate Institute).

M.S., Geology, Arizona State University.

B.A., Geological Sciences, State University of New York at Buffalo. 


Research interests include:

  • Transport and transformations of contaminants along groundwater flow paths.

  • Groundwater - surface water interaction and its effect on nutrient cycling in streams.

  • Groundwater vulnerability to natural and anthropogenic contaminants using statistical and machine learning methods.

  • Effects of land use on water quality.


Publications (Google Scholar Profile)

Van Metre, P.C., Qi, S., Deacon, J., Dieter, C., Driscoll, J.M., Fienen, M., Kenney, T., Lambert, P., Lesmes, D., Mason, C.A., Mueller-Solger, A., Musgrove, M., Painter, J., Rosenberry, D., Sprague, L., Tesoriero, A.J., Windham-Myers, L., and Wolock, D., 2020.  Prioritizing river basins for intensive monitoring and assessment by the US Geological Survey, Environmental Monitoring and Assessment, v. 192, 458. [Link]

Tesoriero, A.J., Burow, K., Frans, L., Haynes, J., Hobza, C., Lindsey, B., and Solder, J., 2019. Using age tracers and decadal sampling to discern trends in nitrate, arsenic and uranium in groundwater beneath irrigated cropland. Environmental Science and Technology, v. 53, 14,152-14,164. [Link]

Burns  D.A., Pellerin, B.A., Miller, M.P., Capel, P.D., Tesoriero, A.J. and Duncan, J.M., 2019. Monitoring the riverine pulse: Applying high‐frequency nitrate data to advance integrative understanding of biogeochemical and hydrological processes: WIREs Water; 6:e1348. [Link]

Munn, M.D., Frey, J.W., Tesoriero, A.J., Black, R.W., Duff, J.H., Lee, Kathy, Maret, T.R., Mebane, C.A., Waite, I.R., and Zelt, R.B., 2018. Understanding the influence of nutrients on stream ecosystems in agricultural landscapes: U.S. Geological Survey Circular 1437, 80 p.  [Link]

Green, C.T., Liao, L., Nolan, B.T., Juckem, P.F., Shope, C.L., Tesoriero, A.J., and Jurgens, B.C., 2018. Regional variability of nitrate fluxes in the unsaturated zone and groundwater, Wisconsin, USA. Water Resources Research, v. 54, 301-322. [Link].

Terziotti, S., Capel, P.D., Tesoriero, A.J., Hopple, J.A., and Kronholm, S.C., 2018. Estimates of nitrate loads and yields from groundwater to streams in the Chesapeake Bay watershed based on land use and geology. U.S. Geological Survey Scientific Investigations Report 2017–5160, 20 p. [Link].  

Miller, M.P., Tesoriero, A.J., Hood, K., Terziotti, S., and Wolock, D.M., 2017. Estimating discharge and nonpoint source nitrate loading to streams from three end-member pathways using high-frequency water quality data. Water Resources Research, 53, 10,201-10,216, doi:10.1002/2017WR021654. [Link]

Tesoriero, A.J., Gronberg, J.A., Juckem, P.F., Miller, M.P., and Austin, B.P., 2017. Predicting redox-sensitive contaminant concentrations in groundwater using random forest classification, Water Resources Research, v. 53, 7,316–7,331. [Link] 

Miller, M.P., Tesoriero, A.J., Capel, P.D., Pellerin, B.A., Hyer, K.E. and Burns, D.A., 2016. Quantifying watershed-scale groundwater loading and in-stream fate of nitrate using high-frequency water quality data. Water Resources Researchv. 52, 330–347.  [Link]

Tesoriero, A.J., Terziotti, S., and Abrams, D.E., 2015. Predicting redox conditions in groundwater at a regional scale. Environmental Science and Technology, v. 49, 9,657-9,664. [Link]

Hinkle, S.R. and Tesoriero, A.J., 2014, Nitrogen speciation and trends, and prediction of denitrification extent, in shallow US Groundwater, Journal of Hydrology, v. 509, 343-353. [Link]

Sheibley, R.W, Duff, J.H and Tesoriero, A.J., 2014. Low transient storage and uptake efficiencies in seven agricultural streams: implications for nutrient demand. Journal of Environmental Quality, doi:10.2134/jeq2014.01.0034. [Link]

Tesoriero, A.J., Duff, J.H., Saad, D.A., Spahr, N.E. and Wolock, D.M., 2013. Vulnerability of streams to legacy nitrate sources. Environmental Science and Technology, v. 47, 3,623-3,629. [Link]

Puckett, L.J., Tesoriero, A.J., and Dubrovsky, N.M., 2011. Nitrogen Contamination of Surficial Aquifers--A Growing Legacy. Environmental Science and Technology, v. 45, 839-844. [Link]

Tesoriero, A.J. and Puckett, L.J., 2011. O2 reduction and denitrification rates in shallow aquifers. Water Resources Research, v. 47, W12522, doi:10.1029/2011WR010471, 17 p. [Link]

Munn, M.D., Frey, J.W., and Tesoriero, A.J., 2010. The influence of nutrients and physical habitat in regulating algal biomass in agricultural streams. Environmental Management, v. 45, 603-615. [Link]

Denver, J.M., Tesoriero, A.J., and Barbaro, J.R., 2010. Trends and transformation of nutrients and pesticides in a coastal plain aquifer system, United States. Journal of Environmental Quality, v. 39, 154-167. [Link]

Tesoriero, A.J., Duff, J.H, Wolock, D.M., Spahr, N.E. and Almendinger, J.A., 2009. Identifying pathways and processes affecting nitrate and orthophosphate inputs to streams in agricultural watersheds.Journal of Environmental Qualityv. 38, 1892-1900. [Link]

Duff, J.H., Tesoriero, A.J., Richardson, W.B., Strauss, E.A., and Munn, M.D., 2008. Whole stream response to nitrate loading in three streams draining agricultural landscapes. Journal of Environmental Quality, v. 37, 1133-1144. [Link]

Tesoriero, A.J., Saad, D.A., Burow, K.R., Frick, E.A., Puckett, L.J., and Barbash, J.E., 2007. Linking ground-water age and chemistry data along flow paths: Implications for trends and transformations of nitrate and pesticides. Journal of Contaminant Hydrology, v. 94, 139-155, doi: 10.1016/j.conhyd.2007.05.007. [Link]

Tesoriero, A.J., Spruill, T.B., Mew, H., Farrell, K. and Harden, S.L., 2005, Nitrogen transport and transformations in a coastal plain watershed: influence of geomorphology on flow paths and residence times. Water Resources Research, v. 41, W02008, doi:10.1029/2003WR002953, 15 p. [Link]

Spruill, T.B., Tesoriero, A.J., Mew, H.E., Farrell, K.M, Harden, S.L., Colosimo, A.B. and Kraemer, S.R., 2004, Geochemistry and characteristics of nitrogen transport at a confined animal feeding operation in a coastal plain agricultural watershed, and implications for nutrient loading in the Neuse River basin, North Carolina, 1999-2002. U.S. Geological Survey Scientific Investigation Report 2004-5283, 115 p.[Link]

Tesoriero, A.J., Spruill, T.B., and Eimers, J., 2004, Geochemistry of shallow ground water in coastal plain environments in the Southeastern United States: implications for aquifer susceptibility. Applied Geochemistry, v. 19, no. 9, 1471-1482. [Link]

Silva, S.R., Ging, P.B., Lee, R.W., Ebbert, J.C., Tesoriero, A.J., and Inkpen, E.L., 2002, Forensic applications of nitrogen and oxygen isotopes in tracing nitrate sources in urban environments.Environmental Forensics, v. 3, 125-130. [Link]

Ebbert, J.C., Embrey, S.S., Black, R.W., Tesoriero, A.J., and Haggland, A.L., 2001, Water Quality in the Puget Sound Basin, Washington and British Columbia, 1996-98. U.S. Geological Survey Circular 1216, 25p. [Link]

Tesoriero, A.J., Löffler, F.E., and Liebscher, H., 2001, The fate and origin of 1,2-dichloropropane in an unconfined shallow aquifer. Environmental Science and Technology, v. 35, no. 3, 455-461. [Link]

Inkpen, E.L., Tesoriero, A.J., Ebbert, J.C., Silva, S.R., and Sandstrom, M.W., 2001, Ground-water quality in regional, agricultural, and urban settings in the Puget Sound Basin, Washington, and British Columbia, 1996-1998. U.S. Geological Survey Water Resources Investigations Report 00-4100, 115 p. [Link]

Tesoriero, A.J., Liebscher, H., and Cox, S.E., 2000, Mechanism and rate of denitrification in an agricultural watershed: Electron and mass balance along ground water flow paths. Water Resources Research, v. 36, no. 6, 1545-1559. [Link]

Tesoriero, A.J., Inkpen, E.L., and Voss, F.D., 1998, Assessing ground - water vulnerability using logistic regression. Proceedings of the Conference on Source Water Assessment and Protection 98, Dallas, TX, p. 157 - 165. National Water Research Institute, Fountain Valley, CA. [Link]

Tesoriero, A.J., and Voss, F.D., 1997, Predicting the probability of elevated nitrate concentrations in the Puget Sound Basin: implications for aquifer susceptibility and vulnerability. Ground Water, v. 35, no. 6, 1029-1039. [Link]

Erwin, M.L., and Tesoriero, A.J., 1997, Predicting ground-water vulnerability to nitrate in the Puget Sound Basin. U.S. Geological Survey Fact Sheet 061-97, 4 p. [Link]

Staubitz, W.W., Bortleson, G.C., Semans, S.D., Tesoriero, A.J., and Black, R.W., 1997, Water-quality assessment of the Puget Sound Basin, Washington--environmental setting and its implications for water quality and biota. U.S. Geological Survey Water-Resources Investigation Report 97-4013, 76 p. [Link]

Tesoriero, A.J., and Pankow, J.P., 1996, Solid solution partitioning of Sr2+, Ba2+, and Cd2+ to calcite. Geochimica et Cosmochimica Acta, v. 60, 1053-1063. [Link]

Tesoriero, A.J., and Knauth, L.P., 1988, The distribution of trace water around brine leaks in the Avery Island salt mine: implications for the natural migration of water in salt: Nuclear and Chemical Waste Management, v. 8, p. 189-197. [Link]