Introduction Part I: Water Use and Wastewater Production in Shale Gas DevelopmentSource and Fate of Hydraulic Fracturing Water in the Barnett Shale: A Historical PerspectiveJean-Philippe Nicot, Bridget R. Scanlon, Robert C. Reedy, and Ruth A. CostleyThe Fate of Injected Water in Shale FormationsHongtao Jia, John McLennan, and Milind DeoSpatial and Temporal Correlation of Water Quality Parameters of Produced Waters from Devonian-Age Shale following Hydraulic FracturingElise Barbot, Natasa S. Vidic, Kelvin B. Gregory, and Radisav D. VidicPart 2: Potential Environmental Effects of Fracking WastewaterShale Gas Development Impacts on Surface Water Quality in PennsylvaniaSheila M. Olmstead, Lucija A. Muehlenbachs, Jhih-Shyang Shih, Ziyan Chu, and Alan J. KrupnickGeochemical and Isotopic Variations in Shallow Groundwater in Areas of the Fayetteville Shale Development, North-Central ArkansasNathaniel R. Warner, Timothy M. Kresse, Phillip D. Hays, Adrian Down, Jonathan D. Karr, Robert B. Jackson, and Avner VengoshRadionuclides in Fracking Wastewater: Managing a Toxic BlendValerie J. BrownPart 3: The Quest for MitigationOptimal Well Design for Enhanced Stimulation Fluids Recovery and Flowback Treatment in the Marcellus Shale Gas Development using Integrated TechnologiesRichard Olawoyin, Christian Madu and Khaled EnabCo-Precipitation of Radium with Barium and Strontium Sulfate and Its Impact on the Fate of Radium during Treatment of Produced Water from Unconventional Gas ExtractionTieyuan Zhang, Kelvin Gregory, Richard W. Hammack, and Radisav D. VidicPart 4: Fracking Wastewater RegulationsRegulation of Water Pollution from Hydraulic Fracturing in Horizontally-Drilled Wells in the Marcellus Shale Region, USAHeather Hatzenbuhler and Terence J. CentnerReflecting Risk: Chemical Disclosure and Hydraulic FracturingSara GosmanHydraulic Fracturing: Paving the Way for a Sustainable Future?Jiangang Chen, Mohammed H. Al-Wadei, Rebekah C. M. Kennedy, and Paul D. TerryIndex