JOHN LENHERR

Field Geologist / GIS Specialist

jlenherr@stratallc.com

John is a graduate of University of Kansas with a bachelor’s degree in environmental studies. Mr. Lenherr has 10 years of experience in the environmental consulting industry. He has experience in permitting, completing, and testing Class I, Class III, and Natural gas reservoir/porosity storage wells. John has experience in drilling, well completions, workovers, well logging, and P&As. John specializes in project management and GIS analysis. He is well versed in solution mining, sonar interpretations, and 3D mapping and modeling. Mr. Lenherr has experience in soil and groundwater site characterization, investigation, and remediation.

He also has experience in soil and groundwater site characterization, investigation, and remediation. John has experience in water/monitoring well drilling, installation, and sampling. John has conducted groundwater sampling under several regulatory programs and has worked on a variety of sites ranging from RCRA sites to Voluntary Clean-up (VCP) sites. He has extensive groundwater sampling experience under the VCP, KDHE UST Trust Fund, Liquid Petroleum Gas (LPG) Storage, and Underground Injection Control (UIC) programs. He has experience with a variety of sampling techniques and sampling procedures.

John is proficient in ArcGIS, AutoCAD, Surfer, and Log Plot. He has experience in potentiometric surface mapping, interpolation and isoconcentration maps, geologic cross sections, contaminant plume delineation, surface and subsurface contouring, surface drainage modeling, and watershed delineation.

Education

  • Bachelor of Science, Environmental Studies, University of Kansas, Lawrence, KS

Industry Experience

  • Underground Mineral Mining

  • Underground Hydrocarbon Salt Cavern Storage

  • Salt Solution Industry

  • Nitrogenous Fertilizer Manufacturing

  • Grain Processing

  • Agriculture

  • Ethanol

Certifications

  • KDHE BER Field Geologist

  • KDHE BER KRBCA Certified

  • KDHE BER Sampling Technician

  • HAZWOPER

Technical Experience

  • GIS Mapping

  • Monitoring/Recovery Well Design & Installation

  • CAD Drafting

  • Groundwater & Soil Vapor Modeling

  • Water Appropriations

  • Bio-Enhanced Remediation

  • Natural Attenuation

  • KDHE UST Trust Fund

  • Soil, Groundwater & Waste Sampling

  • Turnaround Support

  • LDAR Sampling

  • SWPP Construction Permitting

  • SPCC Plans & Inspections

  • NPDES Permits, Monitoring & Reports

  • UIC Program Permitting, Testing & Reporting

  • LPG Storage

  • Solution Mining Wells

  • Product Recovery

  • Remediation Alternatives

  • Voluntary Cleanup Program

  • UIC Work Performed: Field Oversite

    • Class I – Workovers, fall-off testing, MITs, & wireline logging.

    • Class III – Drilling, completions, workovers, MITs, SONARS & wireline logging.

    • Reservoir Storage – MITs, wireline logging, workovers, & P&As

  • UIC Work Performed: Analysis & Reporting

    • Class I- Workovers, fall-off testing, MITS, wireline logging, & Re-permitting Class I wells.

    • Class III- Completion reports, workovers, MITs, SONAR interpretations, wireline logging reports, permitting & re-permitting Class III wells.

    • Reservoir Storage – MITs, wireline logging reports, workovers, & P&As