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.

Morgan McCarthy: Vice President

Morgan McCarthy, Senior Consultant and Vice President of Marketing, has more than 15 years’ experience working in the solid waste and recycling industries, specializing in regulatory compliance.

Recruited to the MuniEnvironmental, LLC team in 2015 for her legal knowledge and expertise in Stormwater, Morgan’s areas of expertise include:

  • solid waste and recycling consulting,
  • regulatory compliance,
  • forensic auditing,
  • city ordinances,
  • contract development, review and negotiation, and
  • marketing and sales.

Morgan previously has served as director of projects, special projects coordinator and director of facilities for several solid waste companies.

As a senior consultant with MuniEnvironmental, for the City of Bellflower, Morgan conducted a compliance review that identified reporting abnormalities and billing inaccuracies later corrected by the franchise hauler. For the City of Santa Fe Springs, she oversees monthly reporting for three franchise haulers and 32 recyclers and manages the City’s construction and demolition debris program. Morgan also conducts regulatory outreach and education, ensuring compliance at the local, state and national levels. In addition to managing municipal projects, she attends local and regional conferences, events and educational summits, and participates in Solid Waste Board meetings for both Los Angeles and Orange counties.

Her professional affiliations include the California City Management Foundation, League of California Cities, California Contract Cities Association. A Certified Stormwater Inspector, she is a member of the Solid Waste Association of North America, Association of Certified Fraud Examiners and California Storm Water Quality Association. Morgan also supports the Kiwanis Club of Bellflower.

Morgan is an alumna of Liberty University, from which she graduated magna cum laude with a B.S. in Management Information Systems with a minor in Business. She holds a J.D. from the Thomas Jefferson School of Law.

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.