Solid Waste / Coal Combustion Residuals (CCR) The list of Solid Waste / Coal Combustion Residuals (CCR) services offered by Gredell Engineering spans practically all facets of permitting and compliance for the regulated community, as well as providing technical and operational support assistance, expert witness testimony, and site assessment evaluations. Solid waste landfill design and permit services are provided by Gredell Engineering staff with extensive experience as both regulators and consultants in the design, construction, operation and maintenance of solid waste landfills. Civil Engineering Our project managers and engineers provide our clients with experience and a diverse set of skills from their work in the areas of civil engineering. Services offered include Site Development and Planning, Public Water Supply and Distribution, Stormwater Management, Wastewater Collection and Treatment, Roads and Bridges, and Construction Services. Environmental Engineering & Consulting Our staff have exceptional knowledge and experience in compliance with federal, state and local jurisdictional requirements and permits and regulatory compliance. Through client and customer satisfaction and word-of-mouth advertising, Gredell Engineering’s reputation as a premiere engineering and environmental consultant throughout Missouri continues to grow and expand. Our “bread and butter”, the list of services offered spans practically all facets of the regulated community. Geological / Groundwater Evaluation Another mainstay, geological services offered by Gredell Engineering range from conducting detailed site characterizations to groundwater monitoring. We provide services relative to drilling oversight, monitoring well and piezometer design/installation, temporary borings, whole-rock coring, geophysical well logging and aquifer testing, groundwater sampling analytical review, technical assistance, monitoring reports, compliance monitoring statistics, state and federal regulatory review and guidance, groundwater modeling and water table contour maps. Geotechnical Engineering Gredell Engineering provides geotechnical engineering services to assist clients during the pre-design subsurface investigations, construction quality assurance, design and post-construction evaluations phases of project development. Our geotechnical services are integrated with and support our geologic, environmental engineering & consulting, and civil engineering services. Water Resources Gredell Engineering provides a wide variety of turnkey water resource services to our federal, state, and local government and private clients. These services include: streambank stabilization: stream and watershed assessments, stream and corridor restoration; natural and hard engineering solutions; wetland delineation and mitigation; stormwater best management practices, detention, and hydraulic/hydrology assessment and design; antidegradation studies; National Environmental Policy Act (NEPA) and Environmental Impact Statement (EIS) analysis; wildlife and biological studies; native plantings and vegetation management. Specialized Services Whether it's a mineral resource evaluation, surface mining operation or shooting range characterization & reclamation, Gredell Engineering staff possess the necessary skills and experience to meet your project goals by providing technical assistance, permitting and design services.


  • 2020 MWEA/AWWA Joint Annual Meeting Cancelled

    Unfortunately, due to the increasing COVID-19 infection rate, employer travel restriction, and Read More

  • Pendergrass Joins Gredell Engineering

    Gary Pendergrass, P.E., R.G., recently joined the staff of Gredell Engineering as a Senior Project Read More

  • Gredell Engineering Continues Internship Program During COVID-19

    Chandler Olmsted recently joined the staff of Gredell Engineering as an engineering intern. Chandler Read More

  • Elke Boyd to Present on Water Upgrades at the 2020 MWWC Joint Annual Meeting

    Elke B. Boyd, P.E., BCEE, Senior Civil Engineer with GREDELL Engineering Resources, Inc., will be Read More

  • Elke Boyd Presented on Wastewater Irrigation at MRWA Northeast Training Day

    Elke B. Boyd, P.E., BCEE, Senior Civil Engineer with GREDELL Engineering Resources, Inc., presented Read More

  • Abra Spisso Joins Gredell Engineering

    Abra Spisso, recently joined the staff of GREDELL Engineering Resources, Inc. (Gredell Engineering) Read More

  • City of Lanagan Obtains Grant Funding for Water System Upgrades

    “Access to clean, safe drinking water and reliable, modern wastewater treatment is a necessity Read More

  • Staff Attend MWCC Conference

    GREDELL Engineering Resources, Inc. staff recently attended the 2019 Missouri Waste Control Read More