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Potential Relationships Between Hydraulic Fracturing and Drinking Water Resources

Potential Relationships Between Hydraulic Fracturing and Drinking Water Resources. EPA’s Hydraulic Fracturing Study. Regional Public Meeting. Introductory remarks Why are we studying hydraulic fracturing? What will the study include? How can stakeholders be involved?

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Potential Relationships Between Hydraulic Fracturing and Drinking Water Resources

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  1. Potential Relationships Between Hydraulic Fracturingand Drinking Water Resources

  2. EPA’s Hydraulic Fracturing Study Regional Public Meeting • Introductory remarks • Why are we studying hydraulic fracturing? • What will the study include? • How can stakeholders be involved? • Public input and comments

  3. Why study hydraulic fracturing? • Natural gas is a key energy resource • Public has raised concerns about hydraulic fracturing and water • EPA wants to ensure that public health and the environment are protected 3

  4. Study Approach • Best available science • Independent sources of information • Transparent, peer-reviewed process • Consultation with others 4

  5. Study Plan Development • Led by EPA scientists • Initial recommendations by EPA’s Science Advisory Board (April 2010): • Focus on water resources (quality and quantity) • Use case-study approach • Stakeholder process important 5

  6. Start Study Peer Review Initial Results Study Timeline 2012 2010 2011 6

  7. What do we hope to learn from this study? What hydraulic fracturing scenarios might cause impacts on drinking water resources? What approaches are effective for protecting drinking water? 7

  8. What are the major elements of the study? • Data and information • Chemical fate and transport • Case studies 8

  9. Hydraulic Fracturing Overview Production Well Underground Sources of Drinking Water

  10. What types of data and information are needed? • Pre- and post-drilling site characteristics • Chemical data • Hydraulic fracturing fluids • Water quality • Water use (sources, amount) • Well construction, well integrity • Operation and management practices 10

  11. What sources of data and information will be used? • Existing sources • Stakeholders • Published reports • New sources • EPA study • Other ongoing studies 11

  12. Fate and Transport • Characterize fracturing fluids and their degradation products • Determine the potential to mobilize chemicals from geologic formations • Identify and refine methods for chemical analysis 12

  13. Why are we using case studies? • Opportunity for focused field investigations • Evaluate hydraulic fracturing in different parts of the U.S. • Geologic factors • Water resource management practices • Water quality and quantity 13

  14. Potential Sites for Case Studies • Where hydraulic fracturing: • is planned • is in progress • has occurred

  15. How will we identify and prioritize case studies? • Stakeholder recommendations • Vulnerable water resources • Proximity of other wells, • exposure pathways • Extent of activity • (wells/acre) • Geologic conditions • Geographic variations 15

  16. What are the next steps in developing the study plan? Stakeholder input (Summer 2010) Study Design Data and Information Case studies Peer review and public comments and (Fall 2010) 16

  17. How Can You Get Involved in EPA’s Study?

  18. Attend Stakeholder Events 18

  19. Provide EPA with Your Comments 19

  20. Collaborate with EPA Feedback on Study Design Data Collection Technical Workshops Case Study Recommendations 20

  21. Key Questions

  22. What should be our highest priorities? 22

  23. Where are the gaps in current knowledge? 23

  24. Are there data and information we should know about? 24

  25. Where do you recommend we conduct our case studies? 25

  26. We would like to hear from you • What should be our highest priorities? • Where are the gaps in current knowledge? • Are there data and information we should know about? • Where do you recommend we conduct our case studies? 26

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