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       source: null
       visibility: public

usgs_staff_profile:

 meta:
   status_code: 200
   timestamp: '2023-09-30T17:22:57.339310'
   url: https://www.usgs.gov/staff-profiles/gerard-j-gonthier
 profile:
   abstracts: []
   affiliations: []
   education:
   - Master's of Science in Geology, Louisiana State University
   - Bachelor's of Science in Geology, Louisiana State University
   email: gonthier@usgs.gov
   expertise_terms:
   - Groundwater
   - Water-quality
   honors: []
   intro_statements:
   - Gerard Gonthier is a hydrologist with the South Atlantic Water Science Center
     in Norcross, Ga. with more than 30 years of experience in groundwater studies.  He
     is currently project chief for the assessment of water quantity and quality
     of groundwater resources in Richmond County and is performing a census of public-supply
     wells in Georgia.
   name: Gerard J Gonthier
   name_qualifier: null
   orcid: 0000-0003-4078-8579
   organization_link: https://www.usgs.gov/centers/sawsc
   organization_name: South Atlantic Water Science Center (SAWSC)
   personal_statement: Gerard began his career in 1989 as a hydrologist with the
     U.S. Geological Survey in Little Rock, Arkansas working mainly on surface-water/groundwater
     interactions within a bottomland hardwood wetland in the Mississippi Alluvial
     Plain of eastern Arkansas. By 1994, he served as the groundwater specialist
     for the Mississippi Embayment National Water Quality Assessment (NAWQA) program,
     focusing on the water quality in the Tertiary aquifers, Mississippi Alluvial
     aquifer, and the shallow aquifer system in the Memphis metro area.Gerard transferred
     to the Georgia District in Norcross, Georgia in 1999 where he worked with a
     team assessing a contaminated site at Air Force Plant 6 near Marietta, Georgia.
     It is then that he operated a continuous-recorder network of about 50 wells
     around the site, performed slug tests, and an aquifer test within fractured-crystalline
     rock. By 2010 Gerard was interpreting results from several constant-discharge
     aquifer tests performed in the Cretaceous or Floridan aquifer systems, using
     analytical methods and axis-symmetric groundwater models. Gerard has also interpreted
     flow-meter survey data for Waynesboro, Georgia; and Wake County, North Carolina;
     and interpreted data from slug tests performed in Wake County, North Carolina.Gerard
     is currently program chief for the assessment of groundwater resources in Richmond
     County working in cooperation with Augusta Utilities.  The project annually
     monitors water levels throughout the county and water quality in several of
     the production wells within the area.  The data are compiled and interpreted
     to determine the state of the groundwater for the study area which includes
     assessing trends through time.  Gerard is also performing a census of public
     supply wells throughout Georgia, verifying the location and construction information,
     and determining from which aquifer the wells withdraw water.
   professional_experience:
   - 1999 - present - Hydrologist, U.S. Geological Survey, Norcross, Georgia
   - 1989 - 1999 - Hydrologist, U.S. Geological Survey, Little Rock, Arkansas
   title: Hydrologist