About Us

Soller Environmental, LLC is a small, client-focused consulting firm. Our focus is on regulatory decision making at the interface of science and environmental policy. We advise local, state, and federal decision makers and provide technical assistance for environmental policy development related to human health effects associated with waterborne contaminants and water-related media.

Founded in 2005, Soller Environmental, LLC supports a wide range of clients on the design, implementation, management and documentation of investigations related to water quality evaluation, health effects associated with exposure to water-borne contaminants, microbial risk assessment, water and wastewater treatment process performance evaluation, and statistical analysis of environmental data.

our work


Jeff Soller is the Principal Scientist.  His work focuses on:


  • providing science policy support for federal and state water regulations


  • characterizing the health effects associated with exposure to waterborne contaminants


  • integrating risk-based science into environmental policy


  • conducting microbial risk assessments


  • characterizing water and wastewater treatment process performance


  • conducting statistical analysis of environmental data

  • Jeff Soller
  • M.S. Operations Research, University of California at Berkeley
  • B.S. Chemistry and Mathematics, Carnegie Mellon University
  • Risk Policy Fellow with the American Association for the Advancement of Science
  • Visiting Scientist at National Institute for Water and Atmospheric Research, New Zealand


Mary Schoen is the Senior Scientist.  Her work focuses on:


  • providing risk-based recommendations to regulators


  • constructing models to simulate pollutant removal, transport, and fate in natural and engineered water systems


  • evaluating the benefits and risks associated with alternative engineered systems


  • analyzing environmental data

  • Mary Schoen
  • Ph.D.  Engineering and Public Policy, Carnegie Mellon University,

  • M.S.  Civil and Environmental Engineering, Carnegie Mellon University
  • B.S.  Civil and Environmental Engineering, Bucknell University
  • Post-doctoral Fellow at US EPA Office of Research and Development