Key Staff

Jeff Duhamel: CEO/Principal Consultant

Jeff Duhamel is a professional Solid Waste and Recycling consultant specializing in Solid Waste facility development and municipal regulatory compliance.

In 1997 Mr. Duhamel formed Waste Systems Technology, Inc., a professional consulting firm helping local municipalities, Recycling firms and material recovery facility (MRF) operators meet Recycling and Solid Waste compliance requirements mandated by the State of California and local agencies.

With over two decades of experience in the Solid Waste industry, Mr. Duhamel has consulted numerous municipalities in:

  • Construction demolition debris program.
  • Large venue Solid Waste management program.
  • Electronic Waste Recycling.
  • Universal Waste Collection and Recycling ($300,000 Grant Award)
  • Recycling /Hauler Audits
  • CalRecycle Annual Reporting
  • Commercial Sector Technical Assistance Program
  • Newsletter/Mailers/Recycling Program Guide
  • Commercial Sector Recycling Permit Program (AB 341)
  • Organics Recycling Programs (AB 1826)
  • Regional Landfill and Transfer Capacity Study
  • Rate Sector Studies

These efforts have helped municipalities achieve annual diversion rates as high as 62%

Under contract for the City of Los Angeles, Jeff Duhamel conducted site feasibilities studies for three potential Solid Waste facility locations, preparing preliminary site plans, traffic diagrams, preliminary environmental programming and project recommendations. Additionally, Mr. Duhamel has provided local municipalities with Solid Waste consulting and auditing services that have recovered millions of dollars of unpaid fees.

In 2015 Mr. Duhamel founded MuniEnvironmental, LLC, a professional environmental consulting firm specializing in Solid Waste, Recycling and Stormwater compliance.

Stephen Howe: Senior Consultant

Stephen Howe joined MuniEnvironmental in January 2020 to assist clients with implementation and management of solid waste and recycling programs.

With 27 years of experience in the solid waste and recycling industry, Stephen brings substantial knowledge to the firm. He has worked with several municipalities, businesses and schools to implement successful programs helping them lower costs and meet regulations.

His key expertise includes:

  • solid waste franchise assessments
  • Solid waste and recycling regulations and legislation
  • diversion
  • recycling
  • composting
  • alternative technologies
  • food/organics recovery and recycling

Trieu Le: Project Manager/Consultant








Trieu Le joined the MuniEnvironmental team in October 2014 to manage inbound and outbound data and to compile cost reports, diversion reports and disposal reports for the firm’s city clients.

Now in his third year, Trieu plays an active role in helping clients both achieve and maintain their compliance with the State by maintaining and implementing recycling and permit programs at the local jurisdiction level. He also conducts internal and external audits for RFPs and compliance.

Trieu currently is working with city clients to help implement organics recycling programs through site visits and personal outreach.

Trieu holds a B.A. in accounting from California State University, Long Beach.