Upper Stroubles Creek Watershed TMDL Implementation Plan Montgomery County, Virginia
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Upper Stroubles Creek Watershed TMDL Implementation Plan Montgomery County, Virginia Submitted to: The Stakeholders of the Stroubles Creek Watershed Prepared by: Stroubles Creek IP Steering Committee, Virginia Tech Department of Biological Systems Engineering, and Virginia Water Resources Research Center In Cooperation With: Virginia Department of Environmental Quality and Virginia Department of Conservation and Recreation Revised: May 24, 2006 VT-BSE Document No. 2005-0013 TMDL Implementation Plan for Stroubles Creek Benthic Impairment May 24, 2006 Project Personnel Stroubles Creek Project Support Team Gene Yagow, VT-BSE Research Scientist Brian Benham, VT-BSE Assistant Professor and Extension Specialist Tess Wynn, VT-BSE Assistant Professor Tamim Younos, Virginia Water Resources Research Center, Interim Director Jason Hill, VDEQ Mary Dail, VDEQ Theresa Carter, VDCR Stroubles Creek IP Steering Committee Ron Bonnema Llyn Sharp John Bush Matt Stolte Mary Dail Rita Thompson David Dent Tina Thompson Curtis Elswick Shawn Utt Cynthia Hancock Jack Webster Justin Laughlin David West Stuart Lynde Lindsay West Mike Rosenzweig Stroubles Creek Project Support Team Adele Schirmer Agriculture/Rural Focus Group Chris Barbour Lori Lester Adele Schirmer Lowell Bowman Susan Mirlohi Llyn Sharp Theresa Carter Craig Nessler Julie Still Abi Convery Dwight Paulette Rita Thompson Mary Dail Elizabeth Reed Tamim Younos Dean Gall Barry Robinson Martha Wirt Justin Laughlin Andrew Schenker Tess Wynn Residential/Urban Focus Group Chris Barbour Bill Elvey David Simpson Phil Beever Jason Hill Matt Stolte Brian Benham Mike & Tana Matzuk Sharyl Walker John Bush Steve Mouras Andrew Warren Theresa Carter T. J. Murphy Lindsay West John Chermak Don Packard Tess Wynn Abi Convery Barry Robinson Gene Yagow Mary Dail Mike Rosenzweig Tamim Younos David Darnell Adele Schirmer George Devlin Llyn Sharp ii TMDL Implementation Plan for Stroubles Creek Benthic Impairment May 24, 2006 Public Works Focus Group Greg Anderson Jason Hill Julie Still Brian Benham Kelly Mattingly Matt Stolte Lowell Bowman Charlie Maus Tess Wynn Theresa Carter Susan Mirlohi Gene Yagow John Chermak Steve Mouras Tamim Younos Mary Dail John Novak David Dent Eric Smith For additional information, please contact: Virginia Department of Environmental Quality (VDEQ) West Central Regional Office, Roanoke: Jason Hill, (540) 562-6724 Virginia Department of Conservation and Recreation (VDCR) Abingdon Office: Theresa Carter, (276) 676-5418 The Duck Pond – the beginning of Stroubles Creek iii TMDL Implementation Plan for Stroubles Creek Benthic Impairment May 24, 2006 Table of Contents 1.0 Executive Summary.................................................................................................................. 1 2.0 Introduction............................................................................................................................... 6 2.1. Regulatory Background of the TMDL Study ...................................................................... 8 3.0 State and Federal Requirements for TMDL Implementation Plans........................................ 10 3.1. Background........................................................................................................................ 10 3.2. State Requirements ............................................................................................................ 10 3.3. Federal Recommendations................................................................................................. 10 3.4. Requirements for Section 319 Fund Eligibility ................................................................. 11 3.5. Staged Implementation ...................................................................................................... 11 4.0 Review of the Stroubles Creek TMDL Study......................................................................... 13 4.1. Watershed Characteristics.................................................................................................. 13 4.2. Chemical and Biological Monitoring................................................................................. 15 4.3. Benthic Stressor Analysis .................................................................................................. 19 4.4. Modeling............................................................................................................................ 20 4.5. Sources of Sediment .......................................................................................................... 21 4.6. TMDL Allocations and Load Reductions.......................................................................... 21 4.6.1. Modeling Procedures .................................................................................................. 22 4.6.2. Load Allocation Scenarios.......................................................................................... 25 4.7. Summary............................................................................................................................ 27 5.0 Public Participation................................................................................................................. 28 6.0 Implementation Actions.......................................................................................................... 32 6.1. Agricultural BMPs............................................................................................................. 33 6.2. Stream Channel BMPs....................................................................................................... 35 6.3. Stormwater Management BMPs........................................................................................ 36 6.4. Sanitary Sewer System Improvements .............................................................................. 40 6.5. Urban/Residential Education Program .............................................................................. 41 6.6. Estimated Load Reductions ............................................................................................... 42 6.7. Cost Benefit Analysis ........................................................................................................ 45 6.8. Prioritization ...................................................................................................................... 46 7.0 Goals and Measurable Milestones .......................................................................................... 47 7.1. Implementation and Water Quality Milestones ................................................................. 48 7.2. Linking Implementation Actions to Water Quality ........................................................... 49 7.3. Implementation Schedule................................................................................................... 50 7.4. Reasonable Assurance ....................................................................................................... 51 7.5. Tracking and Monitoring Plans ......................................................................................... 52 7.5.1. Implementation Tracking............................................................................................ 52 7.5.2. Water Quality Monitoring........................................................................................... 52 7.6. The Staged Implementation Approach .............................................................................. 53 8.0 Stakeholders’ Roles and Responsibilities ............................................................................... 54 8.1. Federal Government........................................................................................................... 54 8.2. State Government............................................................................................................... 54 8.3. Regional and Local Government ....................................................................................... 56 8.4. Businesses, Community Groups, and Citizens .................................................................. 57 9.0 Integration with Other Watershed Plans................................................................................. 59 iv TMDL Implementation Plan for Stroubles Creek Benthic Impairment May 24, 2006 9.1. Continuing Planning Process ............................................................................................. 59 9.2. Watershed and Water Quality Management Planning Programs in Virginia.................... 59 10.0 Potential Funding Sources .................................................................................................... 62 11.0 References............................................................................................................................. 66 List of Tables Table 1.1. Upper Stroubles Creek TMDL* Sediment Load..................................................... 2 Table 1.2. Changes in TMDL Target % Reductions............................................................... 4 Table 1.3. Summary of Load Reductions for Stroubles Creek ............................................. 4 Table 1.4. Agricultural BMP Cost Benefit Analysis................................................................. 5 Table 1.5. Stream Channel BMP Cost Benefit Analysis........................................................ 5 Table 1.6. Stormwater Management BMP Cost Benefit Analysis........................................ 5 Table 2.1. Reductions