As the Assistant Deputy – Solid Waste, Jeff Mayfield is responsible for strategy, planning, and management oversight of the District’s Solid Waste System and Fleet Operations which includes leading a staff of 101 team members and managing a $33 million annual budget. The regional Solid Waste System includes three transfer stations, one operating landfill, and two closed landfills serving approximately 800,000 residents in six counties.  The transfer stations combined accept approximately 2,000 tons per day and the landfill accepts more than 3,200 tons per day, increasing annually in this rapidly growing geographic region.  The District’s Fleet Department consists of an on-road, heavy-duty truck shop and a light-duty service center servicing nearly 400 District vehicles and ancillary units.

Experience & Background

Before joining NTMWD in 2005, Jeff started his environmental stewardship career consulting primarily on solid waste issues for several national environmental consulting firms before moving to what is now Republic Services for more than 11 years.  While with the Republic predecessor organizations, he initially served as an internal engineer for a number of landfills in east and north Texas then subsequently managed the day-to-day operations for two landfills in the Dallas-Fort Worth area.  Jeff then served as General Manager responsible for the landfills and transfer stations in the DFW market, as well as a hauling company.

Jeff is a representative on the North Central Texas Council of Government’s (NCTCOG) Resource Conservation Council which is the solid waste advisory committee for NCTCOG and is the current Secretary for the governing board of TxSWANA, the Texas chapter of the Solid Waste Association of North America.  In addition, he is serving a six-year appointment to the Texas Commission on Environmental Quality’s Municipal Solid Waste Management and Resource Recovery Advisory Council.  He is also a member of the National Waste & Recycling Association.

Education & Certifications