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John currently is the reports specialist for the Oklahoma-Texas Water Science Center (OTWSC). Prior to becoming a reports specialist, John served in a number of roles with the USGS, including as a studies chief for the OTWSC where he oversaw surface water, groundwater, and water-quality studies in south Texas.
Prior to becoming a studies chief for the OTWSC, John was the project chief of the Rocky Mountain Arsenal project for the Colorado Water Science Center (CWSC) where he led a team of hydrologist and hydrologic technicians collecting and analyzing various types of hydrogeologic data to assess surface water and groundwater contamination. He also served as the lead for a CWSC priority science topic regarding long-term drought and water supply planning issues, representing the USGS at water availability and flood task force meetings organized by the Colorado Water Conservation Board. Prior to joining the CWSC, John led external quality assurance studies for the National Atmospheric Deposition program to better understand trends in precipitation chemistry and initiated a sediment laboratory quality assurance program to assess the accuracy and precision of sediment analyses. John began his career as a hydrologist in the Arizona WSC where he collected and analyzed surface water, groundwater, and water-quality data.
John earned his Bachelor of Science degree from Colorado State University in Watershed Science and his Master of Science degree from Colorado School of Mines in Environmental Science and Engineering.