Act 54

Act 54 Report on the Impacts of Underground Coal Mining (2008 - 2013)

Progress Reports

• Act 54 2008-2013 Progress Report March 2016 (PDF)
• Act 54 2008-2013 Progress Report April 2016 (PDF)
• Act 54 2008-2013 Progress Report May 2016 (PDF)
• Act 54 2008-2013 Progress Report September 2017 (PDF)

• Cover Page (PDF)
• Title Page and Table of Contents (PDF)
• Acknowledgements (PDF)
• Executive Summary (PDF)
• Section I: Introduction (PDF)
• Section II: Methods: Constructing the Act 54 Geodatabase (PDF)
• Section III: Underground Bituminous Coal Mining During the 4th Assessment Period (PDF)
• Section IV: Effects of Mining on Structures (PDF)
• Section V: Effects of Mining on Water Supplies (PDF)
• Section VI: Impacts of Longwall Mining on Groundwater (PDF)
• Section VII: Effects of Mine Subsidence on Streams During the 4th Act 54 Assessment (PDF)
• Section VII: Follow-up on the Effects of Mine Subsidence on Streams during the 3rd Act 54 Assessment (PDF)
• Section IX: Effects of Mine Subsidence on Wetlands (PDF)
• Section X: Recommendations (PDF)
• Section XI: Summary and Conslusions (PDF)
• Appendices
• Appendix A: Master Agreement Between DEP and the University (PDF)
• Appendix B: Summary of Mining Activity and Reported Effects During the 4th Assessment Period (PDF)
• Appendix C: Maps of Maximum and Minimum Stream Flow Loss and Wetlands (PDF)
• Appendix D: Quantitatve Macroinvertibrate Data for Streams Undermined and Sampled During the 3rd Assessment Period and Re-Assessed by the University (PDF)
• Appendix E: Spearman Correlation Matrix (PDF)
• Appendix F: Maximum and Minimum Lengths of Post-Mining Flow Loss (PDF)
• Appendix G: Stream Investigations for the 4th Assessment Period (PDF)
• Appendix H: Relative Frequencies (PDF)
• Appendix I: QA by PADEP on University's TDG-563-2000-655 Sampling Protocal (PDF)
• Appendix J: Data on Wetland Type and Acreage (PDF)
• ASSESSMENT OF THE EFFECTS OF SUBSIDENCE (ACT 54) REPORT 2008-2013 (2015)
• Sec. Quigley Act 54 Letter to CAC (PDF)
• An internal review of the report "The Effects of Subsidence Resulting from Underground Bituminous Coal Mining 2008-2013" by Tonsor, et al., University of Pittsburgh, August 30, 2014, and related public comments (PDF)

Act 54 Report on the Impacts of Underground Coal Mining (2003 - 2008)

• Title Page (PDF)
• Table of Contents (PDF)
• Executive Summary (PDF)
• Section I: Introduction (PDF)
• Section II: Data Collection and Methods of Analysis (PDF)
• Section III: Underground Bituminous Coal Mining During the 3rd Assessment Period (PDF)
• Section IV: A Summary of the PADEP Observations on the Effects of Undermining I-79 (PDF)
• Section V: Effects of Mining on Structures (PDF)
• Section VI: Effects of Mining on Water Supplies (PDF)
• Section VII: Effects of Mining on Land (PDF)
• Section VIII: Effects of Mining on Stream (PDF)
• Section VIX: Effects of Mining on Wetlands – Recent Progress (PDF)
• Section X: Discussion, Summary, Conclusions (PDF)
• References (PDF)
• Appendices
  • Appendix A: Mining Activity during the 3rd Assessment Period (PDF)
  • Appendix B (PDF)
  • B1: Summary of Reported Effects from Active and Closed Mines
  • B2: Summary of Reported Effects occurring in the 2nd Assessment Period at Active Mines and their Resolution Status at the end of the 3rd Assessment Period
  • Appendix C - Part 1: Maps from the University GIS Database Depicting Mining Extent, Overburden, and Surface Features (PDF)
  • Appendix C - Part 2: Maps from the University GIS Database Depicting Mining Extent, Overburden, and Surface Features (PDF)
  • Appendix C - Part 3: Maps from the University GIS Database Depicting Mining Extent, Overburden, and Surface Features (PDF)
  • Appendix C - Part 4: Maps from the University GIS Database Depicting Mining Extent, Overburden, and Surface Features (PDF)
  • Appendix D (PDF)
  • D1: Bailey Mine -- Information on Streams Undermined by Longwall Mines during the 3rd Assessment Period and Surveyed by the University of Pittsburgh
  • D2: Blacksville No.2 -- Information on Streams Undermined by Longwall Mines during the 3rd Assessment Period and Surveyed by the University of Pittsburgh
  • D3: Cumberland Mine -- Information on Streams Undermined by Longwall Mines during the 3rd Assessment Period and Surveyed by the University of Pittsburgh
  • D4: Emerald Mine -- Information on Streams Undermined by Longwall Mines during the 3rd Assessment Period and Surveyed by the University of Pittsburgh
  • D5: Enlow Fork Mine -- Information on Streams Undermined by Longwall Mines during the 3rd Assessment Period and Surveyed by the University of Pittsburgh
  • Appendix E (PDF)
  • E1: Stream Investigation Reports for the 3rd Assessment Period
  • E2: Stream Re-Surveyed from the 2nd Assessment Period with Mitigation Work and Flow Status Observations (made by the University)
  • Appendix F (PDF)
  • F1: Summary of Re-Survey of Problem Streams from the 2nd Assessment Period
  • F2: Summary of Survey of Stream with Reported Effects from the 3rd Assessment Period
  • Appendix G (PDF)
  • G1: Undermined Wetland during the 3rd Assessment Period Sorted by Mine
  • G2: Wetland Inventory for Enlow Fork Mine, Panels F12 to F18 Permit Revision
  • G3: Wetland Inventory for the Cumberland Mine, Collected in 2004
  • Plate 1

The following additional reports are available by contacting DEP's Bureau of Mining Programs:

• Act 54 Report on the Impacts of Underground Coal Mining (1998 - 2003)
• Supplemental Report on the Effects of Underground Coal Mining (February 2001)
• Act 54 Report on the Impacts of Underground Coal Mining (1993 - 1998)