Final Assessment

Draft Assessment

• Draft Assessment of the Potential Impacts of Hydraulic Fracturing for Oil and Gas on Drinking Water Resources (June 2015)

EPA Published Research

• See all peer-reviewed EPA published research.

Progress Report

• Study of the Potential Impacts of Hydraulic Fracturing on Drinking Water Resources: Progress Report (PDF) (December 2012)

Study Plan

• Plan to Study the Potential Impacts of Hydraulic Fracturing on Drinking Water Resources (PDF) (November 2011)
• Draft Plan to Study the Potential Impacts of Hydraulic Fracturing on Drinking Water Resources (PDF) (February 2011)

Scoping Materials

• Opportunity for Stakeholder Input on EPA's Hydraulic Fracturing Research Study:
  • Study Design, July 2010
  • Criteria for Selecting Case Studies, July 2010

• Scoping Materials for Initial Design of EPA Research Study on Potential Relationships Between Hydraulic Fracturing and Drinking Water Resources (PDF) March (2010)

  Hydraulic Fracturing Study Timeline

• Hydraulic Fracturing Study Timeline (PDF)