WILLAMETTE BASIN TMDL CHAPTER 14: WATER QUALITY MANAGEMENT PLAN (WQMP) September 2006 Willamette Basin TMDL: Water Quality Management Plan September 2006 CHAPTER 14: WATER QUALITY MANAGEMENT PLAN (WQMP) Table of Contents BACKGROUND.............................................................................................................. 3 PURPOSE....................................................................................................................... 3 PART 1 – ELEMENTS OF THE WQMP ......................................................................... 4 (A) Condition Assessment and Problem Description................................................................................................4 (B) Goals and Objectives.............................................................................................................................................4 (C) Proposed Management Strategies........................................................................................................................4 (D) Timeline for Implementing Management Strategies..........................................................................................6 (E) Relationship of management strategies to attainment of water quality standards..........................................6 (F) Timeline for attainment of water quality standards...........................................................................................6 (G) Identification of Responsible Persons..................................................................................................................7 (H) Identification of sector-specific or source-specific implementation plans that are available at the time the TMDL is issued ..........................................................................................................................................................10 (I) Schedule for preparation and submission ..........................................................................................................10 (J) Description of reasonable assurance ..................................................................................................................11 Point Sources...........................................................................................................................................................11 Nonpoint Sources ....................................................................................................................................................12 (K) Plan to monitor and evaluate progress toward achieving TMDL allocations and WQS..............................13 (L) Plan for public involvement in implementing management strategies ...........................................................16 (M) Description of planned efforts to maintain management strategies over time..............................................17 (N) Costs and funding................................................................................................................................................17 (O) Citation of legal authorities................................................................................................................................17 Clean Water Act, Section 303(d).............................................................................................................................18 Endangered Species Act, Section 6 .........................................................................................................................18 Oregon Revised Statutes..........................................................................................................................................18 NPDES and WPCF Permit Programs ......................................................................................................................18 401 Water Quality Certification ..............................................................................................................................18 USACE Dam Operation and Management..............................................................................................................19 Oregon Forest Practices Act ....................................................................................................................................19 Senate Bill 1010.......................................................................................................................................................19 Local Ordinances.....................................................................................................................................................19 (P) Adaptive Management ........................................................................................................................................20 PART 2: TMDL - SPECIFIC IMPLEMENTATION REQUIREMENTS.......................... 21 Storm Water Management to Control Bacteria and Mercury ..............................................................................21 Urban/Residential Storm Water Control Measures .................................................................................................22 Non-Urban Control Measures..................................................................................................................................24 Mercury TMDL Implementation and Path Forward.............................................................................................25 OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY 14-1 Willamette Basin TMDL: Water Quality Management Plan September 2006 Background: ............................................................................................................................................................25 Overview of the 2006 TMDL..................................................................................................................................25 Overview of Implementation Strategy and Path Forward .......................................................................................25 Mercury Mass Balance Analysis .............................................................................................................................26 TMDL Implementation Strategy .............................................................................................................................27 2011 Mercury TMDL Update..................................................................................................................................31 Exploring Innovative Approaches ...........................................................................................................................31 Temperature TMDL Implementation .....................................................................................................................32 Waste Load Allocations...........................................................................................................................................32 Reserve Capacity .....................................................................................................................................................32 Water Quality Trading.............................................................................................................................................34 Cold Water Refugia.................................................................................................................................................34 Monitoring...............................................................................................................................................................36 Compliance with the TMDL....................................................................................................................................36 Interagency Workgroup...........................................................................................................................................37 APPENDIX 14.A : 303(D) LISTINGS ADDRESSED BY TMDLS ................................. 39 APPENDIX 14.B: SOURCE CATEGORIES ................................................................. 43 Source Categories with Management Strategies......................................................................................................43 Watershed Approach ...............................................................................................................................................43 URBAN AND RURAL (MUNICIPAL, RESIDENTIAL, COMMERCIAL AND INDUSTRIAL) ......................44 Existing Development .........................................................................................................................................44 New Development ...............................................................................................................................................45 Pollution Prevention ............................................................................................................................................47 New and Existing Onsite Disposal Systems ........................................................................................................48 Roads, Highways, and Bridges............................................................................................................................48 FORESTRY.............................................................................................................................................................50