Dale Van Stempvoort

Current research and/or projects

Research on contaminants in groundwater relevant to departmental programs and priorities

  • Assessment of the fate of organic contaminants in groundwater
  • Analyses of organic chemicals as tracers of contaminant plumes in groundwater (e.g., artificial sweeteners)
  • Emerging organic contaminants in groundwater (e.g. pharmaceuticals)

Professional activities / interests

Department lead on groundwater with respect to the Great Lakes Water Quality Agreement and the Canada Ontario Agreement

Environment Canada’s representative as groundwater expert on the Groundwater subcommittee of the CCME Water Agenda Development Committee

Education and awards

Citation of Excellence, Environment Canada (2012)

Ph.D., University of Waterloo

M.Sc., McGill University

B.Sc. (Hon.), University of New Brunswick

Key publications

Van Stempvoort, D.R., Spoelstra, J., Senger, N.D., Brown, S.J., Post, R., Struger, J. 2016. Glyphosate residues in rural groundwater, Nottawasaga River Watershed, Ontario, Canada. Pest Management Science (in press).

Robertson, W.D., Van Stempvoort, D.R., Roy, J.W., Brown, S.J., Spoelstra, J., Schiff, S.L., Rudolph, D.R., S. Danielescu, S., Graham, G. 2016. Use of an artificial sweetener to identify sources of groundwater nitrate contamination. Groundwater (in press).

Robertson, W.D., Van Stempvoort, D.R., Spoelstra, J., Brown, S.J., Schiff, S.L. 2016. Degradation of sucralose in groundwater and implications for age dating contaminated groundwater. Water Research 88, 653-660.

Struger, J., Van Stempvoort, D.R., Brown, S.J. 2015. Sources of aminomethylphosphonic acid (AMPA) in urban and rural catchments in Ontario, Canada: glyphosate or phosphonates in wastewater? Environmental Pollution 204, 289-297.

Robertson, W.D., Roy, J.W., Brown, S.J., Van Stempvoort, D.R., Bickerton, G. 2014. Natural attenuation of perchlorate in denitrified groundwater. Groundwater 52(1), 63-70.

Van Stempvoort D.R., Roy J.W., Brown S.J., Bickerton, G. 2014. Residues of the herbicide glyphosate in riparian groundwater in urban catchments. Chemosphere 95, 455–463.

Roy, J.W., Van Stempvoort, D.R., Bickerton, G. 2014. Artificial sweeteners as potential tracers of municipal landfill leachate. Environmental Pollution 184, 89–93.

Jackson, R.E., Gorody, A.W., Mayer, B., Roy, J.W., Ryan, M.C., Van Stempvoort, D.R. 2013. Groundwater protection and unconventional gas extraction: The critical need for field-based hydrogeological research. Groundwater 51(4), 488-510.

Van Stempvoort, D.R., Roy, J.W., Grabuski, J., Brown, S.J., Bickerton, G., Sverko, E. 2013. An artificial sweetener and pharmaceutical compounds as co-tracers of urban wastewater in groundwater. Science of the Total Environment 461–462, 348–359.

Robertson, W.D., Van Stempvoort, D.R., Solomon, D.K., Homewood, J., Brown, S.J., Spoelstra, J., Schiff, S.L. 2013. Persistence of artificial sweeteners in a 15-year-old septic system plume. Journal of Hydrology 477, 43-54.

Yeung, C.W., Van Stempvoort, D.R., Spoelstra, J., Bickerton, G., Voralek, J., Greer, C.W. 2013. Bacterial community evidence for anaerobic degradation of petroleum hydrocarbons in cold climate groundwater. Cold Regions Science & Technology 86, 55-68.

Van Stempvoort, D.R., W.D. Robertson, and S.J. Brown. 2011. Artificial sweeteners in a large septic plume. Ground Water Monitoring & Remediation 31(4): 95-102.

Van Stempvoort, D.R., J.W. Roy, S.J. Brown, and G. Bickerton. 2011. Artificial sweeteners as potential tracers in groundwater in urban environments. Journal of Hydrology 401 (1-2): 126–133.

Van Stempvoort, D.R. and Y.T.J. Kwong. 2010. Sulfur analyses as tracers of microbial degradation of hydrocarbons in the capillary fringe. Journal of Contaminant Hydrology 114: 1–17.

Van Stempvoort, D.R. and K. Biggar. 2008. Potential for bioremediation of petroleum hydrocarbons in groundwater under cold climate conditions: A review. Cold Regions Science & Technology 53(1): 16-41.

Van Stempvoort, D.R., J. Armstrong and B. Mayer. 2007. Microbial reduction of sulfate injected to gas condensate plumes in cold groundwater. Journal of Contaminant Hydrology 92(3-4):184-207.

Van Stempvoort, D., H. Maathuis, E. Jaworski, B. Mayer and K. Rich. 2005. Oxidation of fugitive methane in ground water linked to bacterial sulfate reduction. Ground Water 43(2): 187-199.