U.S. Geological Survey
Wisconsin Water Science Center
8505 Research Way
Middleton, Wisconsin 53562
- M.S. in Water Resources Management, University of Wisconsin-Madison, 1995
- Water Resources - Management Practicum: Water Resources of the Bad River Reservation
- B.S. in Civil Engineering, University of Michigan, 1988
Areas of Expertise
- Contaminated sediment assessment, sampling, and remediation
- Watershed hydrologic modeling and analysis
- Tributary nutrient and contaminant load estimation
- Contaminated sediment transport and fate modeling
- Dissolved oxygen / biochemical oxygen demand assessment and modeling
- Model parameter estimation and sensitivity analysis
- Water quality and sediment impacts associated with dam removal
- Statistical modeling and analysis
- Code development and modification in Fortran-90, Perl, R/S-Plus, C, Python
- 2003-present – Hydrologist, USGS Water Resources Division, Wisconsin District
- 1999 to 2003 – Water resources engineer, Wisconsin Department of Natural Resources, Milwaukee, WI
- 1996 to 1999 - Water resources engineer, Baird & Associates, Madison, WI
- 1990 to 1996 - Project Manager, Wisconsin Department of Natural Resources, Madison, WI
- 1988 to 1990 – Water quality modeler - Wisconsin Department of Natural Resources, Madison, WI
Professional Engineer, State of Wisconsin (1994-present)
Thomas, J.C., Lutz, M.A., Bruce, J.L., Graczyk, D.J., Richards, K.D., Krabbenhoft, D.P, Westenbroek, S.M., Scudder, B.C., Sullivan, D.J., and Bell, A.H., 2007, Water-quality characteristics for selected sites within the Milwaukee Metropolitan Sewerage District Planning Area, Wisconsin, February 2004–September 2005: U.S. Geological Survey Scientific Investigations Report 2007–5084, 187 p.
Westenbroek, S., 2006, Estimates of Shear Stress and Measurements of Water Levels in the Lower Fox River near Green Bay, Wisconsin, U.S. Geological Survey Scientific Investigations Report 2006-5226, 45 p.
Westenbroek, S., Kelson, V., Dripps, W., Hunt, R. and Bradbury, K., 2010, SWB – A modified Thornthwaite-Mather soil-water-balance code for estimating groundwater recharge: U.S. Geological Survey Techniques and Methods 6-A31, 67 p.
Westenbroek, S.M., 2010, Concentrations and estimated loads of nutrients, mercury, and polychlorinated biphenyls in selected tributaries to Lake Michigan, 2005–6: U.S. Geological Survey Scientific Investigations Report 2010–5029, 73 p.
Hunt, R., Westenbroek, S., Saad, D., Selbig, W., and Graczyk, D. Preliminary Ground-Water and Surface-Water Model Construction for the Black Earth Creek Watershed, Wisconsin. in review.
Velleux, M., Westenbroek, S., Ruppel, J., Settles, M., and Endicott, D., 2000, A user’s guide to IPX, the in-place pollutant export water quality modeling framework version 2.7.4: U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Mid-Continental Ecology Division-Duluth, Large Lakes Research Station. http://www.epa.gov/med/grosseile_site/LMMBP/IPX%202.7.4%20User%20Manual-final.pdf
Westenbroek, S. 1993, Cedar Creek PCB Mass Balance: Wisconsin Department of Natural Resources, Madison, 88 p.
Westenbroek, S. 1997, Milwaukee River PCB Mass Balance final report: Baird and Associates, Madison, 95 p.
Westenbroek, S. 2004, Yahara River watershed / hydraulic scoping model study: U.S. Geological Survey, Middleton, 37 p.