Geological / Groundwater Evaluation

Site Characterization Another specialty of Gredell Engineering, our site characterization services include the subsurface investigation methods and techniques to properly characterize the geologic and hydrologic conditions underlying a site. Through sample collection and characterization of soil, bedrock and groundwater, our staff geologists possess the experience and expertise in characterizing a site's geology and hydrogeology. Well Construction Gredell Engineering provides monitoring well and piezometer construction services in general accordance with the Missouri Department of Natural Resources (MDNR) 10 CSR 23-4 regulations. Our well construction experience includes installations in soil and bedrock using drilling methods such as hollow-stem auger (HSA), solid-flight auger (SFA), direct-push, sonic, air rotary and rotary-wash techniques. Groundwater Monitoring Systems & Data Management The design, installation, monitoring and data management of groundwater monitoring networks is another specialty here at Gredell Engineering. We design groundwater monitoring systems, and prepare sampling and analysis plans (SAP). Through characterization of the subsurface geology and groundwater quality across the groundwater monitoring network, we apply statistical analysis techniques to determine an appropriate and effective statistical approach in accordance with the regulatory requirements. Hydrogeologic Flow Analyses Gredell Engineering hydrogeologic flow analyses services begin with an extensive description of the subsurface through the collection of soil samples and/or whole-rock obtained during subsurface characterization activities (e.g., drilling). Geophysical well logging to correlate discrete intervals, packer and aquifer testing to determine the hydraulic conductivity value of the geologic strata, and two- and three-dimensional groundwater modeling techniques are just a few of the services we provide at Gredell Engineering.

News

  • Gredell Engineering Assists MLPA with G-49 Stormwater Discharge Permit Evaluation

    GREDELL Engineering Resources, Inc. (Gredell Engineering) was recently engaged by the Missouri Read More

  • Roberts, Doll & Rackers Present at MWCC Environmental Conference

    Rickie Roberts, PE, Travis Doll, RG, REHS, and Andrew Rackers, PE of GREDELL Engineering Resources, Read More

  • Troesser Earns Professional Engineer License

    GREDELL Engineering Resources, Inc. is proud to announce that Zachary Troesser is now licensed as a Read More

  • Koestner & Roberts Attend Transportation Engineers Association of Missouri 2017 Conference

    Gidget Koestner, P.E., and Rickie Roberts, P.E., of GREDELL Engineering Resources, Inc. (Gredell Read More

  • Rackers & Roberts Attend EUCI Coal Combustion Residuals Conference

    Andrew Rackers, P.E., and Rickie Roberts, P.E., of GREDELL Engineering Resources, Inc. (Gredell Read More

  • MWCC Rule Changes & Highlights from 40 Years of RCRA

    John Browning, PE, of GREDELL Engineering Resources, Inc. recently attended the Missouri Waste Read More

  • Solid Waste Management Program Open Forum

    Mike Carlson, R.G., Rick Roberts, P.E., Ken Ewers, R.G., and Andrew Rackers, P.E., of GREDELL Read More

  • Kansas City Metro Office Relocation

    “Relocating our branch office in the Kansas City metropolitan area is an opportunity to Read More

  • Dawson & Carlson Named Corporate VPs

    GREDELL Engineering Resources, Inc. (Gredell Engineering) today announced the promotion of Bruce Read More

  • Christopher Pagel Joins GREDELL Engineering Resources, Inc.

    Christopher Pagel recently joined the staff of GREDELL Engineering Resources, Inc. (Gredell Read More