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TDEC’S Quality Assurance Project Plan (QAPP) for  the Stream’S Status Changes

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TDEC’S Quality Assurance Project Plan (QAPP) for  the Stream’S Status Changes Draft Version YEAR 2016 303(d) LIST July, 2016 TENNESSEE DEPARTMENT OF ENVIRONMENT AND CONSERVATION Planning and Standards Unit Division of Water Resources William R. Snodgrass Tennessee Tower 312 Rosa L. Parks Ave Nashville, TN 37243 Table of Contents Page Guidance for Understanding and Interpreting the Draft 303(d) List ……………………………………………………………………....... 1 2016 Public Meeting Schedule ……………………………………………………………. 8 Key to the 303(d) List ………………………………………………………………………. 9 TMDL Priorities ……………………………………………………………………………... 10 Draft 2016 303(d) List ……………………………………………………………………… 11 Barren River Watershed (TN05110002)…………………………………………. 11 Upper Cumberland Basin (TN05130101 & TN05130104)…………………….. 12 Obey River Watershed (TN05130105)…………………………………………... 14 Cordell Hull Watershed (TN05130106)………………………………………….. 16 Collins River Watershed (TN05130107)…………………………………………. 16 Caney Fork River Watershed (TN05130108)…………………………………… 18 Old Hickory Watershed (TN05130201)………………………………………….. 22 Cheatham Reservoir Watershed (TN05130202)……………………………….. 24 Stones River Watershed (TN05130203)………………………………………… 30 Harpeth River Watershed (TN05130204)……………………………………….. 35 Barkley Reservoir Watershed (TN05130205)…………………………………… 41 Red River Watershed (TN05130206)……………………………………………. 42 North Fork Holston River Watershed (TN06010101)…………………………... 45 South Fork Holston River Watershed (TN06010102)………………………….. 45 Watauga River Watershed (TN06010103)………………………………………. 53 Holston River Basin (TN06010104)………………………………………………. 56 Upper French Broad River Basin (TN06010105 & TN06010106)…………….. 59 Lower French Broad River Basin (TN06010107)……………………………….. 61 Nolichucky River Watershed (TN06010108)……………………………………. 65 Upper Tennessee River Basin (TN06010201)………………………………….. 74 Little Tennessee River Basin (TN06010204)……………………………………. 83 Upper Clinch River Watershed (TN06010205)………………………………….. 86 Powell River Watershed (TN06010206)…………………………………………. 87 Lower Clinch River Watershed (TN06010207)…………………………………. 89 Emory River Watershed (TN06010208)…………………………………………. 94 Lower Tennessee Basin (TN06020001)…………………………………………. 97 Hiwassee River Watershed (TN06020002)……………………………………… 105 Conasauga River Watershed (TN03150101)…………………………………… 112 Ocoee River Watershed (TN06020003)…………………………………………. 113 Sequatchie River Watershed (TN06020003)……………………………………. 115 Guntersville Reservoir (TN06030001)…………………………………………… 117 Wheeler Lake Watershed (TN06030002)……………………………………….. 118 Elk River Basin (TN06030003 &TN06030004)………………………………….. 119 Pickwick – Shoal Creek Basin (TN06030005)………………………………….. 125 Table of Contents (continued) Upper Kentucky Reservoir (TN06040001)………………………………………. 125 Duck River Basin (TN06040002 & TN06040003)………………………………. 128 Buffalo River (TN06040004)………………………………………………………. 136 Lower Kentucky Reservoir (TN06040005)………………………………………. 137 East Fork Clarks River (TN06040006)………………………………………....... 140 Mississippi River Basin (TN08010100)…………………………………………... 140 Obion River Basin (TN08010102)………………………………………………… 142 South Fork Obion River (TN08010203)………………………………………….. 146 North Fork Forked Deer River (TN08010204)…………………………………... 149 South Fork Forked Deer River (TN08010205 & TN08010206)……………….. 158 Hatchie River Basin (TN08010207 & TN08010208)……………………………. 162 Loosahatchie River Basin (TN08010209)……………………………………….. 167 Wolf River Basin (TN08010210)………………………………………………….. 172 Nonconnah Creek (TN08010211)………………………………………………… 176 APPENDICES Appendix A. Streams on the 2014 303(d) List that have been delisted in 2016 for Reasons Related to Water Quality………………………………………………………… 180 Appendix B. Streams on the 2014 303(d) List that have been Delisted in 2016 for Reasons other than Water Quality……………………………………………………... 195 Appendix C. Federally Listed Endangered Aquatic Species in the State of Tennessee……………………………………………... 199 GUIDANCE FOR UNDERSTANDING AND INTERPRETING THE DRAFT 2016 303(d) LIST October, 2016 What Is the 303(d) List and Why Is It Important? WHAT’S NEW FOR 2016 Section 303(d) of the federal Clean Water Reassessment of Group 2 and Group 3 Act requires that states develop a Watersheds compilation of the streams and lakes that are “water quality limited” or are expected Consistent with the watershed approach, the to exceed water quality standards in the major difference between the 2014 and 2016 next two years and need additional versions of the List is the reassessment of pollution controls. Water quality limited the Group 2 and 3 watersheds. It is in these streams are those that have one or more areas of the state that the reviewer will note properties that violate water quality the most significant assessment changes. standards. They are considered impaired by pollution and not fully meeting More Formalized Use of Evaluated designated uses. Assessments Additionally, stream considered threatened Division policy has always allowed the use of by pollutants are also appropriate for 303(d) stream information beyond the traditional in- listing, if the trend is likely to lead to a stream biological and chemical data for use criterion being violated. The 303(d) List in water quality assessments. In 2016, this prioritizes impacted streams for specialized policy was formalized into a guidance studies called Total Maximum Daily Load document developed prior to completion of (TMDL). In one waterbody, Barkley the Group 3 reassessments. Alternative data Reservoir, a Total Maximum Daily Thermal sources include biological data older than 5 Load study is needed. years that either scored very well or very poorly; severely habitat-impaired streams The 2016 303(d) List when finalized will that have not changed such as concrete-lined replace the 2014 version. channels; and highly protected streams within national parks or natural areas. This Once a stream has been placed on the guidance can be accessed at: 303(d) List, it is considered a priority for http://www.tn.gov/environment/article/wr-wq- water quality improvement efforts. These water-quality-reports-publications . efforts include traditional regulatory approaches such as permit issuance and Use of EPA’s Recovery Potential Tool enforcement, but also include efforts to (RPT) in Planning Watershed control pollution sources that have Monitoring historically been exempted from regulations, such as certain agricultural and forestry The Department used the RPT to identify activities. high priority monitoring sites for Group 4 watersheds. The RPT works by searching If a stream is impaired, regardless of databases and GIS coverages for attributes whether or not it appears on the 303(d) List, selected by staff. This methodical approach the Division cannot authorize additional will help make the most of our monitoring loadings of the same pollutant(s). It may resources and will insure that high priority mean that dischargers will not be allowed to streams get monitored. expand or locate on 303(d) listed streams until the sources of pollution have been controlled. 1 303(d) ASSESSMENT CATEGORIES USED IN 2016 The assessment categories suggested by EPA have been incorporated into the development of the 2016 303(d) List. Each stream or lake in Tennessee has been placed into one of the following categories. Category 1 Waterbody or waterbody segment meets all designated uses. Category 2 Waterbody or waterbody segment meets some designated uses, but data are not available in order to determine whether all uses are being met. Category 3 Insufficient data exists to determine whether any uses are being met. Category 4a One or more uses are not being met. However, TMDLs have been completed and approved for all listed pollutants. Category 4b One or more uses are not being met. However, a TMDL is not needed because compliance with water quality standards will be achieved in the short-term by a more traditional approach, such as permitting or enforcement. Category 4c One or more uses are not being met. However, the impairment is not being caused by a pollutant. Category 5 One or more uses are not being met. A TMDL is needed for the listed pollutants. Notes concerning the above categories: 1. As with the 2012 and 2014 lists, Tennessee has used Category 4c for segments impacted by flow alteration as that is not a pollutant and a TMDL would not be helpful. If commenters suggest additional causes as appropriate for Category 4c, these will be considered on a case-by-case basis. Our conclusions will be documented in a Summary of Public Comments and Departmental Responses following the end of the comment period. 2. Some streams, were proposed as Category 4b. These are cases where for on specific streams, traditional approaches such as permitting or enforcement would lead to water quality standards being met in the short-term and a TMDL would not be helpful. If additional streams are suggested for Category 4b, we will consider them for the final version. 3. Category 4a was only used for those streams where all TMDLs have been completed. If additional TMDLs were needed in a segment, it was identified as Category 5, even if some TMDLs were approved. 2 How Were the Waters of Tennessee Assessed for this On What Basis Can Waterbodies Be Document? Removed From the 303(d) If They Were Listed In a Previous Version? The assessment of Tennessee’s waters was based on a water quality evaluation that took place The 303(d) List is designed to be a flexible during 2015 and 2016. Water document that can be updated as new quality data collected at hundreds information becomes available. EPA must of streams in Tennessee were approve revisions to the document and has compared to existing water quality identified several
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