USGS hydrologic technician Jayson Blom collects a groundwater-level measurement from an aquifer monitoring well at the Idaho National Laboratory.
Roy C Bartholomay
Roy Bartholomay is the Director of the USGS Idaho Water Science Center.
Roy previously served as the Chief of the USGS Idaho National Laboratory Project Office and as the Water-Quality Specialist and Chief of the Huron Programs Office of the USGS South Dakota Water Science Center. His scientific research involves studies on groundwater geochemistry and water quality.
Professional Experience
2021 - Present, Director, USGS Idaho Water Science Center
2008 - 2021, Project Chief, USGS Idaho National Laboratory Project Office, Idaho Water Science Center
2002 - 2007, Huron Programs Office Chief and Water Quality Specialist, USGS South Dakota Water Science Center
1987 - 2001, Hydrologist, USGS Idaho National Laboratory Project Office, Idaho Water Science Center
Education and Certifications
B.S., Geology, 1987, North Dakota State University
M.S., Geology, 1990, Idaho State University
USGS Western Region Managers Development Program, 2001
Affiliations and Memberships*
Tobacco Root Geological Society
Idaho Academy of Sciences
Honors and Awards
U.S. Department of the Interior Meritorious Service Award, 2020
Science and Products
Evaluation of sample preservation methods for analysis of selected volatile organic compounds in groundwater at the Idaho National Laboratory, Idaho
Historical development of the U.S. Geological Survey hydrological monitoring and investigative programs at the Idaho National Laboratory, Idaho, 2002–2020
Completion summary for boreholes USGS 148, 148A, and 149 at the Materials and Fuels Complex, Idaho National Laboratory, Idaho
Optimization of the Idaho National Laboratory water-quality aquifer monitoring network, southeastern Idaho
Field methods, quality-assurance, and data management plan for water-quality activities and water-level measurements, Idaho National Laboratory, Idaho
Multilevel groundwater monitoring of hydraulic head, water temperature, and chemical constituents in the eastern Snake River Plain aquifer, Idaho National Laboratory, Idaho, 2014–18
Regionally continuous Miocene rhyolites beneath the eastern Snake River Plain reveal localized flexure at its western margin: Idaho National Laboratory and vicinity
Iodine-129 in the Eastern Snake River Plain aquifer at and near the Idaho National Laboratory, Idaho, 2017–18
An update of hydrologic conditions and distribution of selected constituents in water, Eastern Snake River Plain aquifer and perched groundwater zones, Idaho National Laboratory, Idaho, emphasis 2016–18
Completion summary for borehole TAN-2312 at Test Area North, Idaho National Laboratory, Idaho
Updated procedures for using drill cores and cuttings at the Lithologic Core Storage Library, Idaho National Laboratory, Idaho
Correlation between basalt flows and radiochemical and chemical constituents in selected wells in the southwestern part of the Idaho National Laboratory, Idaho
Publications - Idaho National Laboratory
Water Monitoring - Idaho National Laboratory
Water Archive Library - Idaho National Laboratory
Hydrologic Investigations near the Remote Handled Low-Level Waste Facility
Naval Reactors Facility Groundwater-Quality Monitoring
USGS hydrologic technician Jayson Blom collects a groundwater-level measurement from an aquifer monitoring well at the Idaho National Laboratory.
USGS hydrologic technician Jayson Blom collects a water-level measurement at a monitoring well on the U.S. Department of Energy's Idaho National Laboratory site. During the summer of 2014, water levels measured at the site reached all-time lows.
USGS hydrologic technician Jayson Blom collects a water-level measurement at a monitoring well on the U.S. Department of Energy's Idaho National Laboratory site. During the summer of 2014, water levels measured at the site reached all-time lows.
Science and Products
Evaluation of sample preservation methods for analysis of selected volatile organic compounds in groundwater at the Idaho National Laboratory, Idaho
Historical development of the U.S. Geological Survey hydrological monitoring and investigative programs at the Idaho National Laboratory, Idaho, 2002–2020
Completion summary for boreholes USGS 148, 148A, and 149 at the Materials and Fuels Complex, Idaho National Laboratory, Idaho
Optimization of the Idaho National Laboratory water-quality aquifer monitoring network, southeastern Idaho
Field methods, quality-assurance, and data management plan for water-quality activities and water-level measurements, Idaho National Laboratory, Idaho
Multilevel groundwater monitoring of hydraulic head, water temperature, and chemical constituents in the eastern Snake River Plain aquifer, Idaho National Laboratory, Idaho, 2014–18
Regionally continuous Miocene rhyolites beneath the eastern Snake River Plain reveal localized flexure at its western margin: Idaho National Laboratory and vicinity
Iodine-129 in the Eastern Snake River Plain aquifer at and near the Idaho National Laboratory, Idaho, 2017–18
An update of hydrologic conditions and distribution of selected constituents in water, Eastern Snake River Plain aquifer and perched groundwater zones, Idaho National Laboratory, Idaho, emphasis 2016–18
Completion summary for borehole TAN-2312 at Test Area North, Idaho National Laboratory, Idaho
Updated procedures for using drill cores and cuttings at the Lithologic Core Storage Library, Idaho National Laboratory, Idaho
Correlation between basalt flows and radiochemical and chemical constituents in selected wells in the southwestern part of the Idaho National Laboratory, Idaho
Publications - Idaho National Laboratory
Water Monitoring - Idaho National Laboratory
Water Archive Library - Idaho National Laboratory
Hydrologic Investigations near the Remote Handled Low-Level Waste Facility
Naval Reactors Facility Groundwater-Quality Monitoring
USGS hydrologic technician Jayson Blom collects a groundwater-level measurement from an aquifer monitoring well at the Idaho National Laboratory.
USGS hydrologic technician Jayson Blom collects a groundwater-level measurement from an aquifer monitoring well at the Idaho National Laboratory.
USGS hydrologic technician Jayson Blom collects a water-level measurement at a monitoring well on the U.S. Department of Energy's Idaho National Laboratory site. During the summer of 2014, water levels measured at the site reached all-time lows.
USGS hydrologic technician Jayson Blom collects a water-level measurement at a monitoring well on the U.S. Department of Energy's Idaho National Laboratory site. During the summer of 2014, water levels measured at the site reached all-time lows.
*Disclaimer: Listing outside positions with professional scientific organizations on this Staff Profile are for informational purposes only and do not constitute an endorsement of those professional scientific organizations or their activities by the USGS, Department of the Interior, or U.S. Government