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Thomas J Mack, PG

Tom Mack has been a hydrogeologist with the USGS since 1983.

Tom has conducted numerous hydrologic investigations from site-specific contaminant studies to regional-scale resource assessments in the Northeastern U.S., Afghanistan, Africa, Emirates, and Madagascar. He specializes in regional groundwater resource assessments in valley-fill and fractured bedrock settings. Other areas of expertise include: remotely-sensed data and groundwater flow modeling in regional water-availability investigations, analysis of GIS data for regional water and mineral resource evaluation, surface and borehole geophysical techniques, and borehole drilling.  


Professional Experience

  • Program Manager, Afghanistan Project, USDOD-USAID, 2018-present

  • Senior Hydrogeologist, Kenya and Ethiopia USAID Groundwater Resources Project, 2016-2018

  • Groundwater Specialist, New England Water Science Center, 2014-2017

  • Groundwater Modeler, Abu Dhabi Groundwater Resources Project, United Arab Emirates, 2014-2016

  • Senior Hydrogeologist, Afghanistan Project, USAID, 2006-2009, USDOD, 2009-2014

  • Senior Hydrogeologist, Review team member for U.S. Nuclear Regulatory Commission, 2010-2011

  • Hydrogeologist, Madagascar Minerals Project, 2005-2006

  • Groundwater Specialist, New Hampshire-Vermont District, 1995-2012

  • Groundwater Investigations and Research Studies Chief, New Hampshire-Vermont District, 1995-2003

  • Groundwater Specialist, New England Program Area, 1992-1995

  • Project Chief, Hydrologist New England USEPA Superfund projects, 1985-1992

  • Hydrogeologist, Geophysicist, Water Resources Division, Long Island NY Subdistrict, 1983-1985


Education and Certifications

  • University of New Hampshire, M.S. Hydrology 1982

  • Hartwick College, New York, B.A. Geology 1980

  • Certified Professional Hydrogeologist – American Institute of Hydrology - No. 1643

  • Certified Professional Geologist – New York, USA, No. 24 and New Hampshire, USA, No.159


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