Matthew S. Varonka, Ph.D.
Matthew Varonka is a Research Chemist with the USGS Geology, Energy & Minerals (GEM) Science Center in Reston, VA.
Matthew works in the Eastern Energy and Environmental Laboratory (EEEL), which is involved in a variety of research goals relating energy and the environment. Matt graduated from Penn State University with a B.S. in chemistry and went on to earn a Ph.D. in inorganic chemistry from Georgetown University before joining the USGS in 2010.
Science and Products
Supercharging Natural Gas: A Breakthrough in Energy Production
Advancements in Geochemistry and Geomicrobiology of Energy Resources (AGGER)
Black Bear Creek Watershed Hydrologic Summary for the Pawnee Nation of Oklahoma
Subject-Area Specialists
Interpretive Reports
Oklahoma Water Science Center Publications
Other Reports and Data Releases
Fact Sheets
Open-File Reports
Per- and polyfluoroalkyl substances (PFAS) in produced water from the Denver Basin Per- and polyfluoroalkyl substances (PFAS) in produced water from the Denver Basin
A Method for High Performance Liquid Chromatography Analysis of Volatile Fatty Acids in Water A Method for High Performance Liquid Chromatography Analysis of Volatile Fatty Acids in Water
Land Application of Drilling Fluids in Oklahoma, Derived from Oklahoma Corporation Commission 1014 Permits, 1998-2020 Land Application of Drilling Fluids in Oklahoma, Derived from Oklahoma Corporation Commission 1014 Permits, 1998-2020
Geochemical Data for Coal Wastes from Historic Anthracite Coal Mining in Pennsylvania, 2024 Geochemical Data for Coal Wastes from Historic Anthracite Coal Mining in Pennsylvania, 2024
Geochemical Data for Produced Water and Gas from the Antrim Shale in Michigan, 2023 Geochemical Data for Produced Water and Gas from the Antrim Shale in Michigan, 2023
Hexane extractable material in water-based and oil-based drilling fluid wastes collected from sites in Oklahoma, North Dakota, and Wyoming in 2021 Hexane extractable material in water-based and oil-based drilling fluid wastes collected from sites in Oklahoma, North Dakota, and Wyoming in 2021
Chemistry data from leachates of hydraulic fracturing proppants collected from southeastern New Mexico, 2018-2019 Chemistry data from leachates of hydraulic fracturing proppants collected from southeastern New Mexico, 2018-2019
Aqueous and solid phases partitioning of elemental constituents associated with Marcellus Shale Energy and Environment Laboratory (MSEEL) gas well produced wastewater, Morgantown, WV, 2016 - 2019 Aqueous and solid phases partitioning of elemental constituents associated with Marcellus Shale Energy and Environment Laboratory (MSEEL) gas well produced wastewater, Morgantown, WV, 2016 - 2019
Geochemical Data for Coal Wastes from Bituminous Coal Mining in Pennsylvania, 2022 Geochemical Data for Coal Wastes from Bituminous Coal Mining in Pennsylvania, 2022
Organic Compounds Identified via Gas Chromatography-Mass Spectrometry in Produced Water Samples Collected at the Marcellus Shale Energy and Environment Laboratory (MSEEL) 2015-2019, Morgantown Industrial Park (MIP), West Virginia Organic Compounds Identified via Gas Chromatography-Mass Spectrometry in Produced Water Samples Collected at the Marcellus Shale Energy and Environment Laboratory (MSEEL) 2015-2019, Morgantown Industrial Park (MIP), West Virginia
Geochemistry and microbiology data collected to study the effects of oil and gas wastewater dumping on arid lands in New Mexico Geochemistry and microbiology data collected to study the effects of oil and gas wastewater dumping on arid lands in New Mexico
Chemical characterization of water, sediments, and fish from Water Conservation Areas and Canals of the Florida Everglades (USA), 2012 to 2019 Chemical characterization of water, sediments, and fish from Water Conservation Areas and Canals of the Florida Everglades (USA), 2012 to 2019
Land application of drill waste: A scope analysis Land application of drill waste: A scope analysis
Produced water geochemistry from hydraulically stimulated Niobrara Formation petroleum wells: Origin of salinity and temporal perspectives on treatment and reuse Produced water geochemistry from hydraulically stimulated Niobrara Formation petroleum wells: Origin of salinity and temporal perspectives on treatment and reuse
Non-mercury methylating microbial taxa are integral to understanding links between mercury methylation and elemental cycles in marine and freshwater sediments Non-mercury methylating microbial taxa are integral to understanding links between mercury methylation and elemental cycles in marine and freshwater sediments
Chemical composition of leachates from hydraulic fracturing proppants from surficial releases in southeastern New Mexico Chemical composition of leachates from hydraulic fracturing proppants from surficial releases in southeastern New Mexico
Illegal dumping of oil and gas wastewater alters arid soil microbial communities Illegal dumping of oil and gas wastewater alters arid soil microbial communities
Dissolved organic matter within oil and gas associated wastewaters from U.S. unconventional petroleum plays: Comparisons and consequences for disposal and reuse Dissolved organic matter within oil and gas associated wastewaters from U.S. unconventional petroleum plays: Comparisons and consequences for disposal and reuse
Decadal trends of mercury cycling and bioaccumulation within Everglades National Park Decadal trends of mercury cycling and bioaccumulation within Everglades National Park
In situ enhancement and isotopic labeling of biogenic coalbed methane In situ enhancement and isotopic labeling of biogenic coalbed methane
Oil and gas wastewater components alter streambed microbial community structure and function Oil and gas wastewater components alter streambed microbial community structure and function
Insights on geochemical, isotopic, and volumetric compositions of produced water from hydraulically fractured Williston Basin oil wells Insights on geochemical, isotopic, and volumetric compositions of produced water from hydraulically fractured Williston Basin oil wells
Water resources in the Cheyenne and Arapaho Tribal jurisdictional area, west-central Oklahoma, with an analysis of data gaps through 2015 Water resources in the Cheyenne and Arapaho Tribal jurisdictional area, west-central Oklahoma, with an analysis of data gaps through 2015
Origin and geochemistry of formation waters from the lower Eagle Ford Group, Gulf Coast Basin, south central Texas Origin and geochemistry of formation waters from the lower Eagle Ford Group, Gulf Coast Basin, south central Texas
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Land Application of Drilling Fluids in Oklahoma: Data Viewer Land Application of Drilling Fluids in Oklahoma: Data Viewer
Science and Products
Supercharging Natural Gas: A Breakthrough in Energy Production
Advancements in Geochemistry and Geomicrobiology of Energy Resources (AGGER)
Black Bear Creek Watershed Hydrologic Summary for the Pawnee Nation of Oklahoma
Subject-Area Specialists
Interpretive Reports
Oklahoma Water Science Center Publications
Other Reports and Data Releases
Fact Sheets
Open-File Reports
Per- and polyfluoroalkyl substances (PFAS) in produced water from the Denver Basin Per- and polyfluoroalkyl substances (PFAS) in produced water from the Denver Basin
A Method for High Performance Liquid Chromatography Analysis of Volatile Fatty Acids in Water A Method for High Performance Liquid Chromatography Analysis of Volatile Fatty Acids in Water
Land Application of Drilling Fluids in Oklahoma, Derived from Oklahoma Corporation Commission 1014 Permits, 1998-2020 Land Application of Drilling Fluids in Oklahoma, Derived from Oklahoma Corporation Commission 1014 Permits, 1998-2020
Geochemical Data for Coal Wastes from Historic Anthracite Coal Mining in Pennsylvania, 2024 Geochemical Data for Coal Wastes from Historic Anthracite Coal Mining in Pennsylvania, 2024
Geochemical Data for Produced Water and Gas from the Antrim Shale in Michigan, 2023 Geochemical Data for Produced Water and Gas from the Antrim Shale in Michigan, 2023
Hexane extractable material in water-based and oil-based drilling fluid wastes collected from sites in Oklahoma, North Dakota, and Wyoming in 2021 Hexane extractable material in water-based and oil-based drilling fluid wastes collected from sites in Oklahoma, North Dakota, and Wyoming in 2021
Chemistry data from leachates of hydraulic fracturing proppants collected from southeastern New Mexico, 2018-2019 Chemistry data from leachates of hydraulic fracturing proppants collected from southeastern New Mexico, 2018-2019
Aqueous and solid phases partitioning of elemental constituents associated with Marcellus Shale Energy and Environment Laboratory (MSEEL) gas well produced wastewater, Morgantown, WV, 2016 - 2019 Aqueous and solid phases partitioning of elemental constituents associated with Marcellus Shale Energy and Environment Laboratory (MSEEL) gas well produced wastewater, Morgantown, WV, 2016 - 2019
Geochemical Data for Coal Wastes from Bituminous Coal Mining in Pennsylvania, 2022 Geochemical Data for Coal Wastes from Bituminous Coal Mining in Pennsylvania, 2022
Organic Compounds Identified via Gas Chromatography-Mass Spectrometry in Produced Water Samples Collected at the Marcellus Shale Energy and Environment Laboratory (MSEEL) 2015-2019, Morgantown Industrial Park (MIP), West Virginia Organic Compounds Identified via Gas Chromatography-Mass Spectrometry in Produced Water Samples Collected at the Marcellus Shale Energy and Environment Laboratory (MSEEL) 2015-2019, Morgantown Industrial Park (MIP), West Virginia
Geochemistry and microbiology data collected to study the effects of oil and gas wastewater dumping on arid lands in New Mexico Geochemistry and microbiology data collected to study the effects of oil and gas wastewater dumping on arid lands in New Mexico
Chemical characterization of water, sediments, and fish from Water Conservation Areas and Canals of the Florida Everglades (USA), 2012 to 2019 Chemical characterization of water, sediments, and fish from Water Conservation Areas and Canals of the Florida Everglades (USA), 2012 to 2019
Land application of drill waste: A scope analysis Land application of drill waste: A scope analysis
Produced water geochemistry from hydraulically stimulated Niobrara Formation petroleum wells: Origin of salinity and temporal perspectives on treatment and reuse Produced water geochemistry from hydraulically stimulated Niobrara Formation petroleum wells: Origin of salinity and temporal perspectives on treatment and reuse
Non-mercury methylating microbial taxa are integral to understanding links between mercury methylation and elemental cycles in marine and freshwater sediments Non-mercury methylating microbial taxa are integral to understanding links between mercury methylation and elemental cycles in marine and freshwater sediments
Chemical composition of leachates from hydraulic fracturing proppants from surficial releases in southeastern New Mexico Chemical composition of leachates from hydraulic fracturing proppants from surficial releases in southeastern New Mexico
Illegal dumping of oil and gas wastewater alters arid soil microbial communities Illegal dumping of oil and gas wastewater alters arid soil microbial communities
Dissolved organic matter within oil and gas associated wastewaters from U.S. unconventional petroleum plays: Comparisons and consequences for disposal and reuse Dissolved organic matter within oil and gas associated wastewaters from U.S. unconventional petroleum plays: Comparisons and consequences for disposal and reuse
Decadal trends of mercury cycling and bioaccumulation within Everglades National Park Decadal trends of mercury cycling and bioaccumulation within Everglades National Park
In situ enhancement and isotopic labeling of biogenic coalbed methane In situ enhancement and isotopic labeling of biogenic coalbed methane
Oil and gas wastewater components alter streambed microbial community structure and function Oil and gas wastewater components alter streambed microbial community structure and function
Insights on geochemical, isotopic, and volumetric compositions of produced water from hydraulically fractured Williston Basin oil wells Insights on geochemical, isotopic, and volumetric compositions of produced water from hydraulically fractured Williston Basin oil wells
Water resources in the Cheyenne and Arapaho Tribal jurisdictional area, west-central Oklahoma, with an analysis of data gaps through 2015 Water resources in the Cheyenne and Arapaho Tribal jurisdictional area, west-central Oklahoma, with an analysis of data gaps through 2015
Origin and geochemistry of formation waters from the lower Eagle Ford Group, Gulf Coast Basin, south central Texas Origin and geochemistry of formation waters from the lower Eagle Ford Group, Gulf Coast Basin, south central Texas
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.