Project Team


Although the Water Resource Recovery Facility Project is led by the City’s Utilities Department, individuals from all levels of the City and numerous departments across the City have made significant contributions to the success of the WRRF Project. The following staff contributed directly to the WRRF Project:

  • Heidi Harmon, Mayor
  • Dan Rivoire, Vice Mayor
  • Carlyn Christianson, City Council Member
  • Aaron Gomez, City Council Member
  • Andy Pease, City Council Member
  • Derek Johnson, City Manager
  • Carrie Mattingly, Utilities Director
  • Dave Hix, Utilities Deputy Director – Wastewater
  • Howard Brewen, WRRF Supervisor, Grade V WWTP Operator
  • Pam Ouellette, WRRF Chief Operator, Grade IV WWTP Operator
  • James Austin, Grade IV WWTP WRRF Operator, Grade I Lab Analyst
  • Cori Burnett, Grade V WWTP WRRF Operator, E.I.T.
  • Chris Lehman, Grade V WWTP WRRF Operator
  • Patrick McGrath, Grade III WWTP WRRF Operator
  • Ernie Redman, Grade IV WWTP WRRF Operator
  • Vance Trimble, Grade V WWTP WRRF Operator
  • Marc Voorhees, Grade III WWTP WRRF Operator
  • Glenn Lubak, WRRF Chief Maintenance Technician, Grade III Mech. Tech., Grade II Elect. Tech.
  • Steve Smtih, WRRF Grade III Maintenance Technician
  • Keith Powers, WRRF Grade III Maintenance Technician, Grade II Elect. Tech.
  • Dave Wharton, WRRF Grade III Maintenance Technician
  • Anne Fairchild, Water Quality Laboratory Manager, Grade IV Lab Analyst
  • Matt Anderson, Grade IV Laboratory Analyst
  • Christina Claxton, Grade IV Laboratory Analyst
  • Joe O’Donnell, Grade IV Laboratory Analyst
  • Richard Novick, Grade II Laboratory Analyst
  • Aaron Floyd, Utilities Deputy Director – Water
  • Marcus Henderson, Water Distribution Supervisor
  • Joe Little, Water Distribution Chief Operator
  • Benjamin Marquart, Environmental Programs Supervisor
  • Dan Goulet, Environmental Compliance Inspector
  • Michelle Bulow, Supervising Administrative Assistant
  • Barb Ehrbar, Interim Administrative Assistant
  • Sarah Harney-Hirsch, Administrative Assistant
  • Freddy Otte, City Biologist
  • Brian Leveille, City Senior Planner
  • Miguel Barcenas, P.E., Utilities Engineer
  • Ken Chacon, P.E., Civil Engineer
  • Manuel Guzman, P.E., Supervising Civil Engineer
  • Hal Hannula, P.E., Supervising Civil Engineer
  • Matt Horn, P.E., Public Works Deputy Director/City Engineer
  • Christine Dietrick, City Attorney
  • Jon Ansolabehere, Assistant City Attorney
  • Michael Codron, Community Development Director
  • Daryl Grigsby, Public Work Director
  • Tim Bochum, Public Works Deputy Director – Transportation
  • Jake Hudson, Transportation Operations Supervisor
  • Jan Marx, Previous Mayor
  • John Ashbaugh, Previous City Council Member
  • Dan Carpentor, Previous City Council Member
  • Katie Lichtig, Previous City Manager
  • Stefanie Acker, Previous Supervising Administrative Assistant
  • Jim Autry, Previous WRRF Supervisor
  • Marty Maloney, Previous WRRF Operator
  • Tom Tingley, Previous WRRF Operator
  • David Athey, P.E., Previous Supervising Civil Engineer


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As the Program Managers for the WRRF Project, Water Systems Consulting (WSC) plays a vital role in managing program schedule, budget and scope, conducting outreach, reviewing deliverables, ensuring alignment with the Program Charter, and coordinating all the moving parts to keep the project moving forward to meet regulatory deadlines. The following staff contributed directly to the WRRF Project:

  • Jeffery Szytel, P.E., Program Manager
  • Lianne Westberg, P.E., Assistant Program Manager
  • Jasmine Diaz, P.E., Grade V WWTP Operator, Assistant Program Manager
  • Emily Iskin, E.I.T., ENV SP, Program Support
  • Matthew Rodrigues, P.E., Technical Lead
  • Jeroen Olthof, P.E., Technical Lead
  • Joshua Reynolds, P.E., Technical Lead
  • Dylan Wade, P.E., CCM, Program Support
  • Justin Pickard, P.E., Program Support


In partnership with WSC, HDR led the development of the Facilities Plan and continues to provide program management support and technical review. The following staff contributed directly to the WRRF Project:

  • Holly Kennedy, P.E., Facilities Plan Lead
  • Ambarish Ravi, P.E., Program Support
  • Mike Falk, P.E., Ph.D., Technical Process Lead
  • Matt Chapman, P.E., Technical Lead
  • Ron Brown, P.E., Technical Lead
  • J.B. Neethling, P.E., Ph.D., Technical Support
  • Libby Mesbah, P.E., Technical Lead
  • Ted Kontonickas, P.E., Technical Lead
  • Bill Etlich, P.E., Technical Lead
  • Michael Lambert, P.E., Technical Lead


Rincon Consultants is leading the environmental and permitting of the WRRF Project, including preparation of the Environmental Impact Report.  The following staff contributed directly to the WRRF Project:

  • Jennifer Haddow, Ph.D., Environmental and Permitting Project Manager
  • Colby Boggs, Senior Ecologist
  • Rich Daulton, P.E., Principal in Charge


As the design engineers for the WRRF Project, CH2M plays an important role in defining the details of the WRRF Project through preparation of the design documents. The following staff contributed directly to the WRRF Project:

  • Julian Hoyle, P.E., Design Project Manager
  • Jennifer Phillips, P.E., Assistant Design Project Manager
  • Barb Engleson, P.E., Design Manager
  • David Hackworth, P.E., Operations Liaison
  • Julian Sandino, P.E., Ph.D., Process Optimization
  • Larry Schimmoller, P.E., Senior Process Engineer
  • Tim Bauer, P.E., Lead Solids Treatment Engineer
  • Mark Madison, P.E., Senior Principal Technologist
  • Todd Greely, Process Modeler
  • June Leng, P.E., Ph.D., Technical Disinfection Lead
  • Ron Williams, P.E., Previous Design Project Manager