Antidegradation Workgroup Notebook

This notebook is in draft and is a working document for the antidegradation working group and anyone interested in the process. It will be updated periodically.

Contents of Antidegradation Workgroup Notebook

Front Cover

Section 1.0 Material Related to the Process

  1. 1.0 Final Workgroup Report, Jan 24, 2013
    1. 1.0.1 Draft Workgroup Report, May 7, 2012
    2. 1.0.2 Draft Workgroup Report, June 13, 2012
    3. 1.0.3 Draft Workgroup Report, July 26, 2012
    4. 1.0.4 Draft Workgroup Report, October 10, 2012
      1. 1.0.4.1 Section IV Issues Raised by the Public
      2. 1.0.4.2 Substantive Comments regarding Draft Antidegradation Workgroup Report
    5. 1.0.5 Draft Workgroup Report, November 9, 2012
      1. 1.0.5.1 Appendix F – DEC's Existing Uses Evaluation Procedure
  2. 1.1 Detailed agenda for first workgroup meeting, February 2012
  3. 1.2 Agenda for entire process
  4. 1.3 Roles, Responsibilities, and Ground Rules for Workgroup
  5. 1.4 List of workgroup members, staff / contractor
  6. 1.5 List of Issues and questions
  7. 1.6 Meeting Agendas
    1. 1.6.1 Agenda Feb 2nd & 3rd
    2. 1.6.2 Agenda Mar 14th & 15th
    3. 1.6.3 Agenda May 8th & 9th
    4. 1.6.4 Agenda June 20th & 21st
    5. 1.6.5 Agenda Aug 1st & 2nd
    6. 1.6.6 Agenda Oct 16th & 17th
  8. 1.7 Meeting Summaries
    1. 1.7.1 Meeting #1 Summary Feb 2nd & 3rd, 2012
    2. 1.7.2 Meeting #2 Summary Mar 14th & 15th, 2012
    3. 1.7.3 Meeting #3 Summary May 8th & 9th, 2012
    4. 1.7.4 Meeting #4 Summary June 20th & 21st, 2012
    5. 1.7.5 Meeting #5 Summary Aug 1st & 2nd, 2012
    6. 1.7.6 Meeting #6 Summary October 16th & 17th, 2012
  9. 1.8 Comparison of Questions and Recommendations for Issues

Section 2.0 DEC and EPA Authority, Policies, and Procedures

  1. 2.1 Alaska Water Quality Standards Regulations & Selected References
  2. 2.2 DEC Antidegradation Policy 18 AAC 70.015
  3. 2.3 DEC Water Quality Standards 18 AAC 70 (2003)
  4. 2.4 DEC Interim Antidegradation Implementation Methods, July 14, 2010
  5. 2.5 DEC Antidegradation Final Implementing Methods Work Plan (2011)
  6. 2.6 EPA Antidegradation Policy - Code of Federal Regulations 40 CFR 131.12
  7. 2.7 EPA Tier 2 Antidegradation Reviews and Significance Thresholds, Ephraim S. King to Water Management Division Directors, Regions 1-10, August 10, 2005 Technical Memorandum
  8. 2.8 Question and Answers on Antidegradation

Section 3.0 Background Information on Antidegradation

  1. 3.1 Antidegradation 101 Primer
  2. 3.2 Antidegradation 101 PowerPoint presentation
  3. 3.3 EPA Region 8 Antidegradation Guidance, Chapter 2: The Model Antidegradation Implementation Procedure
  4. 3.4 Water Quality Antidegradation Implementation Conference, DEC & Tetra Tech, Inc., Anchorage Alaska, December 2-3, 2009, Summary of Workshop Proceedings
  5. 3.5 Evaluation of Options for Antidegradation Implementation Guidance, prepared for DEC October 6, 2008

Issue #1: Activities that Require Antidegradation Reviews (e.g., new or increased discharges, Sec. 404, others)

  1. Ref1.1 Idaho Antidegradation Implementation Discussion Paper - "New or increased" discharges, June 7, 2010
  2. Ref1.2 Idaho Antidegradation Implementation Discussion Paper - Antidegradation Reviews for General Permits, July 15, 2010
  3. Ref1.3 Applicability of Antidegradation Regulations, Excerpts from Tetra Tech's June 22, 2007 Technical Memorandum #2—Stormwater Nondegradation Analysis Project prepared for the Minnesota Pollution Control Agency
  4. Ref1.4 Issue #1 Presentation
  5. Ref1.5 Antidegradation analysis of projects with CWA 404 permits

Issue #2: Baseline Water Quality

  1. Ref2.1 Defining Existing Uses, Defining & Characterizing Existing Water Quality, Excerpts from Tetra Tech's June 22, 2007 Technical Memorandum #2—Stormwater Nondegradation Analysis Project prepared for the Minnesota Pollution Control Agency
  2. Ref2.2 Material from select states
  3. Ref2.3 Tier 2 Water Quality Baseline Information Proposal
  4. Ref2.4 Issue #2 Presentation
  5. Ref2.5 Existing Uses Evaluation Procedures Strawman

Issue #3: Outstanding National Resource Waters (ONRW)

  1. Ref3.1 Limited and Temporary Degradation of Tier 3 Waters, Excerpts from Tetra Tech's June 22, 2007 Technical Memorandum #2—Stormwater Nondegradation Analysis Project prepared for the Minnesota Pollution Control Agency
  2. Ref3.2 Pennsylvania DEP Water Quality Antidegradation Implementation Guidance figures: Generalized Permit Review Process for Proposed Discharges to HQ Waters, Generalized Permit Review Process for Proposed Discharges to EV Waters, November 29, 2003
  3. Ref3.3 Material from select states
    1. 3.3.1 NM Nomination for an ONRW
    2. 3.3.2 NM ONRW FAQ
  4. Ref3.4 Straw person for ONRW – Nominations, Review, Criteria, and Flow Chart
  5. Ref3.5 Issue #3 Presentation
  6. Ref3.6 Land Rights and ONRWs

Issue #4: Socioeconomic Justification

  1. Ref4.1 Idaho Antidegradation Implementation Discussion Paper - Socioeconomic Justification, July 12, 2010
  2. Ref4.2 Requirements for Determining Important Economic & Social Development, Excerpts from Tetra Tech's June 22, 2007 Technical Memorandum #2—Stormwater Nondegradation Analysis Project prepared for the Minnesota Pollution Control Agency
  3. Ref4.3 Issue #4 Presentation
  4. Ref4.4 Straw person for Issue #4 Requirements for Determining Economic and Social Importance
  5. Ref4.5 Interim Economic Guidance for Water Quality Standards

Issue #5: Requirements for Alternatives and Costs Analysis

  1. Ref5.1 Idaho Antidegradation Implementation Discussion Paper - Tier II Alternatives Analysis, June 28, 2010
  2. Ref5.2 Idaho Antidegradation Implementation Discussion Paper - Point and Nonpoint Source Controls
  3. Ref5.3 Conducting the Antidegradation Analysis for Tier 2 Waters, Alternatives Analyses as a Requirement for Determining Necessity of Degradation, Excerpts from Tetra Tech's June 22, 2007 Technical Memorandum #2—Stormwater Nondegradation Analysis Project prepared for the Minnesota Pollution Control Agency
  4. Ref5.4 South Carolina Tier 1, 2, and 2 ½ Implementation Flowcharts
  5. Ref5.5 Issue #5 Presentation
  6. Ref5.6 Straw person for Issue #5 Tier 2 Alternative Analysis

Issue #6: Water Quality Ranking / Application of Protection Tiers

  1. Ref6.1 Idaho Antidegradation Implementation Discussion Paper - Waterbody-by-Waterbody or Pollutant-by-Pollutant, May 24, 2010
  2. Ref6.2 State of New Mexico Tier Determination Flowchart, Tier 2 Review Eligibility Flowchart
  3. Ref6.3 Issue #6 Presentation
  4. Ref6.4 Straw person for Issue #6 Application of Waterbody Tiers

Issue #7: Significant and de minimis Degradation

  1. Ref7.1 Idaho Antidegradation Implementation Discussion Paper - Defining Significance Thresholds For Water Quality Degradation
  2. Ref7.2 Determining the Significance of Degradation, Excerpts from Tetra Tech's June 22, 2007 Technical Memorandum #2—Stormwater Nondegradation Analysis Project prepared for the Minnesota Pollution Control Agency
  3. Ref7.3 Issue #7 Presentation
  4. Ref7.4 Straw person for Issue #7 Should DEC Defiine Significant and de Minimis Degradation
  5. Ref7.5 Other States De Minimis

Contact

Nancy Sonafrank
Program Manager
Water Quality Standards, Assessment & Restoration
(907) 451-2726