FrontMatter -- Preface -- Contents -- Executive Summary -- 1 Introduction -- 2 Regional Water Resources: Physiographical, Historical, and Social Dimensions -- 3 Water Quality in the Region -- 4 Causes of Water Quality Impairment -- 5 Water Quality Improvement: Decision-Making Strategies and Technical Solutions -- 6 Water Quality Improvement: Institutional and Financial Solutions -- 7 Implications Beyond Southwestern Pennsylvania -- Acronyms -- Appendixes -- Appendix A Southwestern Pennsylvania Local Resource Panel -- Appendix B Summary of Select Reports Concerning Water and Wastewater Quality Problems of Southwestern Pennsylvania -- Appendix C Glossary -- Appendix D Water Science and Technology Board -- Appendix E Committee and Staff Biographical Information.