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Lisa A Senior

Lisa Senior is a hydrologist with the USGS Pennsylvania Water Science Center and has been involved with both groundwater and surface-water investigations since 1986, becoming Project Chief for numerous studies in Pennsylvania since 1988.  

Recent Studies

  • Baseline surveys of groundwater quality in and near areas of Marcellus Shale gas development
  • Evaluations of naturally occurring radionuclides, trace elements, and methane in groundwater
  • Effects of land use on groundwater and surface-water quality
  • Modeling of surface-water quality
  • Characterization of fractured-rock hydrogeology of the Newark Basin to support contaminant delineation, monitoring, and remedial management in southeastern Pennsylvania


Professional Experience

  • Pennsylvania Water Science Center: 1986 - present

  • Branch of Regional Geophysics, Menlo Park, California: 1981 - 1983


Education and Certifications

  • M.S. in Hydrology, University of Arizona, Tucson

  • B.A. in Geology, Middlebury College, Middlebury, Vermont


Science and Products