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Jeff P Raffensperger, Ph.D.

Jeff Raffensperger has worked for the MD-DE-DC Water Science Center since 1999. He has led or collaborated on studies of hydrologic processes, water quality, and modeling. He has been a member of the National Water-Quality Assessment (NAWQA) Integrated Watershed Studies (IWS) Team, and the Water Budget Estimation and Evaluation (WBEEP) Team, and is the Water Science Center Groundwater Specialist.

Professional Experience

  • 2009-present: HYDROLOGIST, USGS MD-DE-DC WSC

    Project Chief, Anacostia Groundwater Study, 2021-present.
    Member, National Water Budget Estimation and Evaluation (WBEEP) Team, Investigating Water Quality and Sources of Streamflow

  • 2006-present: GROUNDWATER SPECIALIST, USGS MD-DE-DC WSC

    Responsible for overall quality of groundwater science and data for the MD-DE-DC Water Science Center.
    Leader, Data Quality Management Team, 2014-2017. Member, 2017-present. Worked closely with database administrators to develop and implement data-quality assurance processes.

  • 2004-09: HYDROLOGIST/RESEARCH HYDROLOGIST, USGS MD-DE-DC WSC

    Project chief, Chesapeake Bay River Input Monitoring project, 2005-07. Managed project resources and data collection at four major river water-quality sites. Developed new methods for analyzing and communicating results of load and trend estimation (using ESTIMATOR) to Cooperators, the

  • 2004-09: HYDROLOGIST/RESEARCH HYDROLOGIST, USGS MD-DE-DC WSC

    Project chief, Chesapeake Bay River Input Monitoring project, 2005-07. Managed project resources and data collection at four major river water-quality sites. Developed new methods for analyzing and communicating results of load and trend estimation (using ESTIMATOR) to Cooperators, the Chesapeake Bay Program (CBP), and the public.

  • 2009-present: LECTURER, The Johns Hopkins University, Engineering for Professionals, Baltimore, MD.

Education and Certifications

  • Ph.D. in Hydrogeology, 1993 – Dissertation Title: Quantitative Evaluation of the Hydrologic and Geochemical Processes Involved in the Formation of Unconformity-Type Uranium Deposits, The Johns Hopkins

  • M.A. in Hydrogeology, 1990, The Johns Hopkins University, Baltimore, MD

  • M.S. in Geology, 1988, Louisiana State University, Baton Rouge, LA

  • B.S. in Geology (Cum Laude), 1985, University of Maryland, College Park, MD

Science and Products