Specialized Services

Mineral Resource Evaluation Gredell Engineering can assist you with an initial mineral resource evaluation, whether you are wanting to start a gravel, clay or limestone mining operation. With our extensive knowledge of the geology in the state of Missouri and through geologic literature reviews, Gredell Engineering will help evaluate your anticipated mineral resource. Surface Mining & Reclamation Gredell Engineering provides and assists clients with the preparation, submittal and approval of the Missouri Department of Natural Resources (MDNR) surface mining permits, air operating and construction permits, and National Pollutant Discharge Elimination System (NPDES) stormwater permits for development of open-pit quarry operations. Other services include the preparation of Stormwater Pollution Prevention Plans (SWPPP) and a Spill, Control, and Countermeasures (SPCC) plans for your surface mining operation. For existing surface mining operations, our experienced staff will work with you to release the bond liability of reclaimed land, reclamation variance requests, alternate land use change requests, and request approval of permit revisions involving mined and reclaimed ground near the Solid Waste Management Area (SWMA) in accordance with Missouri Land Reclamation Program (MLRP) regulations. Shooting Range Characterization & Reclamation Shooting range characterization and reclamation is just another specialized service we provide at Gredell Engineering. Our services include lead determination/delineation of shooting range cumulative shot-fall areas, site characterizations and sample collection, and the identification of lead reclamation and chemical stabilization areas.


  • 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

  • Elliott and Gredell Present at MWCC Conference

    GREDELL Engineering Resources, Inc. staff recently presented at the Missouri Waste Control Coalition Read More

  • Thomas Gredell Presents at Missouri Water & Wastewater Conference

    Thomas R. Gredell, P.E., President of GREDELL Engineering Resources, Inc. presented a technical Read More

  • Ken Ewers Elected Vice-President of MWCC

    Ken Ewers, R.G., of GREDELL Engineering Resources, Inc., Jefferson City, MO, was elected Read More

  • Gredell Engineering Wins Wears Creek Bank Stabilization Project

    The State of Missouri has retained GREDELL Engineering Resources, Inc. (Gredell Engineering) to Read More

  • Gredell Attends Energy, Utility & Environment Conference

    Thomas R. Gredell, P.E., President of GREDELL Engineering Resources, Inc., recently attended two Read More

  • Gredell Engineering Corecipient of the 25th Annual Carl V. Anderson Conservation Engineering Project Award

    Natalie Little presents the Carl V. Anderson Engineering Project Award to the Missouri Department of Read More

  • Gredell Engineering's Baseline Site Investigations Lay Groundwork for New Center of Soy Innovation

    GREDELL Engineering Resources, Inc. provided enviromental and geotechnical services to the Missouri Read More