Solid waste engineering and consulting is our specialty.

While developing technologies and research make progress in creating new answers for solid waste, landfills are today’s solid waste solution. We pride ourselves in designing earth-friendly landfills for every project we undertake and are continually applying new industry standards and technologies as they become available.

Our clients receive the best engineering practices, excellent customer care, and the expertise to design and develop long-lasting solid waste solutions. From landfill permitting and design to construction services, environmental monitoring to financial evaluations, our cornerstone is to develop innovative, earth-friendly and fiscally responsible solutions for every solid waste project.


Solid Waste Management Consulting

Our staff has performed solid waste management consulting services for solid waste programs serving populations ranging from 50,000 to 1+ million people. Solid waste management consulting services provided by Garrett & Moore include:


  • Tip fee analysis
  • Financial Assurance for Closure and Post-closure
  • Pro forma analysis
  • Bond Issues
  • Site Valuations
  • Airspace Utilization Studies
  • On-Site Operations Consulting
  • Compliance Audits
  • Alternative Daily Cover (ADC) Analysis

Solid Waste Engineering

Garrett & Moore, Inc. provides full-service solid waste design and permitting services for municipal solid waste (MSW), construction and demolition debris (C&D), land clearing and inert debris (LCID), industrial waste, tire monofills, and coal combustion residual landfills (CCR’s). Services include:

  • Hydrologic Evaluation of Landfill Performance (HELP) Modelin
  • Landfill Slope Stability Analysis & Evaluation
  • Settlement and Bearing Capacity Evaluations
  • Leachate Management System Design
  • Alternative Liner Analysis
  • Final Cover System Design
  • Alternative Final Cover System Design
  • Landfill Closure & Post-Closure
  • Transfer Stations
  • Convenience Centers Planning and Design
  • Compost Systems
  • Waste Treatment & Processing
  • Special Waste Permitting
  • Landfill Gas (LFG) Remediation Plans
  • LFG Collection System Design, Engineering, Operations and Maintenance

Environmental Monitoring & Consulting

Garrett & Moore, Inc. provides comprehensive environmental monitoring and consulting services covering all aspects of environmental regulatory compliance for solid waste facilities. Our services include:


  • Groundwater Monitoring
  • Groundwater Assessment and Remediation
  • Landfill Gas Monitoring
  • NPDES Stormwater Sampling
  • Title V and Air Permitting
  • Hydrogeological & Geologic Siting Studies
  • Phase 1 & 2 Environmental Site Assessments
  • NPDES Stormwater Permitting
  • Groundwater Assessment and Remediation
  • Environmental Audits

Financial Studies

We provide review of solid waste programs from a financial perspective including analysis of tip fees, p&l support and operational costs. Our experience factor is key in providing solid proformas for proposed projects and alternative solutions or simply changes in operations. As new technologies are emerging, there is a need to evaluate not only the up-front costs but the effects on your solid waste program tomorrow and in 20+ years.