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Federal Clean Water Act

Federal Clean Water Act. Requires states to maintain Water Quality Standards. Water Quality Standards Comprised of Three Components. Water Uses Criteria to protect these uses Antidegradation. Definition of Key Concepts. 10. EXISTING WATER QUALITY. DISSOLVED OXYGEN MG/L. DEGRADATION. 5.

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Federal Clean Water Act

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  1. Federal Clean Water Act Requires states to maintain Water Quality Standards

  2. Water Quality Standards Comprised of Three Components • Water Uses • Criteria to protect these uses • Antidegradation

  3. Definition of Key Concepts 10 EXISTING WATER QUALITY DISSOLVED OXYGEN MG/L DEGRADATION 5 WQS POLLUTION 0

  4. Antidegradation Regulations • 25 PA Code • Chapter 93.4

  5. COMMONWEALTH OF PENNSYLVANIA Department of Environmental Protection For more information, visit DEP directly at www.dep.state.pa.us or through the PA PowerPort at www.state.pa.us

  6. TABLE OF CONTENTS Chapter 1. General Overview Chapter 2. Existing and Designated Uses Chapter 3. Threatened and Endangered Species Chapter 4. Processing of Petitions, Evaluations and Assessments to Change a Designated Use Chapter 5. Qualifying as High Quality or Exception Value Waters Chapter 6. Protection of High Quality and Exceptional Value Waters

  7. TABLE OF CONTENTS(CONTINUED) Chapter 7. Nondischarge Alternatives Chapter 8. Non-Degrading Discharges Chapter 9.Antidegradation Best Available Combination of Technologies (ABACT) Chapter 10. Social or Economic Justification Chapter 11. Nonpoint Source Controls Chapter 12 . Public Participation

  8. Point Sources • Non-discharge Alternatives • Non-degrading Discharge Alternatives • SEJ for HQ Waters

  9. Non-Point Sources • Cost Effective and Reasonable BMPs

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