Private and public solid waste management teams across the United States recognize Riley, Park, Hayden & Associates as a decades-long leader in all aspects of engineering related to managing solid wastes. Our extensive experience in waste-related turnkey design/build facilities, hydrology, geology, grading, and cutting-edge environmental technologies for storm water controls, leachate recirculation, and methane recovery sets us apart from other firms. We take on tough challenges, and we specialize in providing the safest and most cost-efficient site layout and design for your unique property.

RPH provides comprehensive solid waste services, including:
  • Subtitle D landfill design and permitting
  • Transfer station design, permitting, and construction
  • Operations/maintenance facility design, permitting, and construction
  • Landfill gas collection system design and Title V permitting
  • Landfill gas waste-to-energy projects
  • Landfill odor controls
  • Construction Quality Control/Construction Quality Assurance (CQC/CQA)
  • Landfill gas system monitoring
Our solid-waste engineering team is skilled and experienced in the full continuum of engineering capabilities required for successful solid waste management, including:
  • Geotechnical investigations
  • Site suitability/acceptability evaluations
  • Long-term solid waste planning
  • Groundwater monitoring, modeling, assessment, and remediation


Riley, Park, Hayden & Associates is committed to economical, environmentally responsible waste management throughout the life-cycle of the process – from municipal collection to private transport and transfer to long-term landfill design, management, and maintenance/remediation. Our reputation in solid waste management design has earned us the trust of hundreds of private and public waste management professionals across the nation.