Peter B. McMahon
U.S. Geological Survey, Lakewood, CO
Activity
2023
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ASSESSING POTENTIAL EFFECTS OF OIL AND GAS ACTIVITY ON GROUNDWATER QUALITY OF AQUIFERS NEAR AND OVERLYING THE ELK HILLS AND NORTH COLES LEVEE OIL FIELDS, SAN JOAQUIN VALLEY, CALIFORNIA
T190 No Well Left Behind: Quantifying Impacts and Improving Management of Active, Abandoned, and Orphaned Oil and Gas Wells to Safeguard Air, Water, and Land ResourcesTuesday, 17 October 20231:30 PM - 5:30 PM310 / 311
2020
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GROUNDWATER QUALITY IN AQUIFERS NEAR AND OVERLYING THE ELK HILLS AND NORTH COLES LEVEE OIL FIELDS, SAN JOAQUIN VALLEY, CALIFORNIA
T215 Global Water Resources and Geohealth: Tracing Inorganic Contaminant Origins, Evaluating Human Health Risks, and Remediation/ Mitigation StrategiesThursday, 29 October 20201:30 PM - 5:30 PMMeeting Rooms
2018
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RELATIONS OF GROUNDWATER QUALITY TO OIL DEVELOPMENT IN DIFFERENT HYDROGEOLOGIC SETTINGS – INITIAL RESULTS FROM CALIFORNIA REGIONAL GROUNDWATER MONITORING NEAR OIL FIELDS
T85 Hydrogeology and EnergyMonday, 5 November 20188:00 AM - 12:00 PMRoom 133
2016
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METHANE AND BENZENE IN DRINKING-WATER WELLS OVERLYING THE EAGLE FORD, FAYETTEVILLE, AND HAYNESVILLE SHALE OIL AND GAS PRODUCTION AREAS
T309 In-Situ Technologies for Energy Resource Extraction: The Role of WaterWednesday, 28 September 20161:30 PM - 5:30 PMRoom 501
2014
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USE OF GEOCHEMICAL TRACERS TO IMPROVE UNDERSTANDING OF GROUNDWATER DYNAMICS IN THE WILLISTON BASIN, MONTANA AND NORTH DAKOTA
11 Hydrogeology of the Williston Basin: Toward a Greater Understanding of Aquifer Dynamics, Water Availability, and Risk Potential from Energy Extraction in the United States and CanadaMonday, 19 May 20141:00 PM - 5:00 PMReid Hall 108
2013
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GROUNDWATER AGES AND MIXING IN THE PICEANCE BASIN NATURAL GAS PROVINCE, COLORADO
T278 Environmental and Social Implications of Hydraulic-Fracturing–Driven Oil and Gas Development: Toward a More Holistic AssessmentTuesday, 29 October 20131:00 PM - 5:00 PMRoom 603
2010
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OVEREXPLOITATION OF WATER RESOURCES FOR IRRIGATED AGRICULTURE: CASE STUDIES IN THE US HIGH PLAINS AND CALIFORNIA CENTRAL VALLEY
T56 Impacts of Land Use and Climate Change on Water Resources Sustainability IISunday, 31 October 20101:30 PM - 5:30 PMMile High Ballroom 1AB
2008
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Source and Transport Controls on the Movement of Nitrate to Public Supply Wells in Selected Principal Aquifers of the United States
77 A Celebration of Soil Science, Solute Transport, and National-Scale Water-Quality Research: In Honor of Jacob RubinWednesday, 8 October 20081:30 PM - 5:30 PM
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Subsurface Attenuation of Nutrients and Organic Wastewater Compounds beneath Septic Tank Drainfields in the Woodville Karst Plain, Florida
55 Organic Contaminants in Water, Soil and Sediments: Sources, Interactions and Ecological Impacts IMonday, 6 October 20088:00 AM - 12:00 PM
2007
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FOCUSED RECHARGED AND ENHANCED-CHEMICAL MIGRATION FROM SEASONAL PONDING NEAR IRRIGATION WELLS, HIGH PLAINS AQUIFER
T69 The Spatial and Temporal Variability of Groundwater RechargeMonday, 29 October 20078:00 AM - 12:00 PM
2006
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NATURAL AND ANTHROPOGENIC NITRATE IN GROUND WATER: HIGH PLAINS AQUIFER
T187 Water-Quality Issues in Sole-Source and Principal Aquifers in the U.S.Wednesday, 25 October 20068:00 AM - 12:00 PM
2005
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NITROUS OXIDE PRODUCTION RATES DERIVED FROM MEASUREMENTS IN THE THICK UNSATURATED ZONE OF THE HIGH PLAINS AQUIFER, USA
204 Hydrogeology I: Tracers and other Field TechniquesWednesday, 19 October 20058:00 AM - 12:00 PM
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GROUND-WATER AVAILABILITY AND LINKAGES BETWEEN WATER QUANTITY AND QUALITY IN THE HIGH PLAINS AQUIFER
T107 Groundwater Quality and Quantity Interconnections: The Effects of Natural and Anthropogenic Contamination on Groundwater AvailabilityMonday, 17 October 20051:30 PM - 5:30 PM
2004
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DENITRIFICATION AND PALEORECHARGE CONDITIONS IN A REGIONAL UNCONFINED AQUIFER SYSTEM
T202 Dissolved Gases as Indicators of Geochemical and Hydrogeologic ProcessesWednesday, 10 November 20048:00 AM - 12:00 PM
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NITROUS OXIDE PRODUCTION RATES DERIVED FROM MEASUREMENTS OF N2O IN THE THICK UNSATURATED ZONE OF THE HIGH PLAINS AQUIFER, USA
T137 Vadose Zone Nitrogen: Sources, Fate, and TransportTuesday, 9 November 20048:00 AM - 12:00 PM
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SOURCES AND ISOTOPIC CHARACTERISTICS OF VADOSE-ZONE NITRATE IN ARID REGIONS
T137 Vadose Zone Nitrogen: Sources, Fate, and TransportTuesday, 9 November 20048:00 AM - 12:00 PM
2002
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EVALUATION OF RECHARGE FLUXES TO THE HIGH PLAINS AQUIFER, COLORADO, KANSAS, TEXAS, AND NEBRASKA
T43 Hydrogeology and Water Resources of the High Plains Aquifer: Issues for Public Policy Over the Next 50 YearsSunday, 27 October 20021:00 PM - 3:45 PM
Date Unknown
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ENVIRONMENTAL FACTORS AFFECTING THE PERSISTENCE OF WASTE-WATER INDICATOR COMPOUNDS IN STREAMS
86 Hydrogeology (Posters)