Goose Creek Watershed Management Plan Version - Charlotte ...

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Goose Creek Watershed Management Plan Version 1...………………...October 31, 2009 4.3 Fecal Coliform Assessment .......................................................................41 Section 5 Candidate Restoration, Retrofit & Preservation Sites .........................42 5.1 Upland BMP Retrofit Sites ........................................................................42 5.1.1 Priority Basins ............................................................................................42 5.1.2 Public Parcels .............................................................................................45 5.2 Stream Channel Management Opportunities .............................................52 5.3 Stream Buffer Restoration Areas ...............................................................51 5.4 Master Planning for Restoration, Retrofit and Preservation Projects ........61 Section 6 Measuring Success and Adaptive Management ....................................62 6.1 Establishing an Ongoing Water Quality Monitoring Program ..................62 6.2 Annual Status Report .................................................................................62 6.3 Adaptive Management ...............................................................................62 Section 7 Conclusion ................................................................................................63 List of Tables: Table 1 General Goose Creek Watershed Statistics .....................................................1 Table 2 Goose Creek Stream Class Descriptions .........................................................7 Table 3 Goose Creek Water Quality Standards ...........................................................8 Table 4 Baseflow Water Chemistry Statistics ............................................................10 Table 5 NCDENR Macroinvertebrate Sample Results ..............................................12 Table 6 Goose Creek Land Use Categories ...............................................................14 Table 7 Hydrologic Soil Groups Found Within Goose Creek Watershed .................15 Table 8 S.W.I.M. Buffer Requirements for the Goose Creek Watershed..................17 Table 9 NPDES Permitted Dischargers in the Goose Creek Watershed ...................20 Table 10 Upland Pollutant Loading Rate Goals ..........................................................21 Table 11 In-Stream Water Quality Goals ....................................................................23 Table 12 Goose Creek Land Use Categories and Abbreviations .................................25 Table 13 Upland Pollutant Loading Rates by Land Use ..............................................27 Table 14 Catchment Loading Rates .............................................................................27 Table 15 Catchment Area, Impervious Area and Impervious Percentages .................28 Table 16 Results of the Upland Characterization ........................................................29 Table 17 Results of Stream Channel Characterization ................................................40 Table 18 Public Parcels Meeting BMP Criteria and Priority .......................................49 Table 19 Highest Priority Goose Creek Stream Reaches ............................................53 Table 20 Results of the Stream Buffer Tree Canopy Analysis ....................................60 List of Figures: Figure 1 Mecklenburg County Watershed and Jurisdictional Boundaries ....................3 Figure 2 Special Features within the Goose Creek Watershed .....................................4 Figure 3 Typical Residential Development in the Goose Creek Watershed .................5 Figure 4 Typical New Residential Development in the Goose Creek Watershed ........6 Figure 5 Percent Exceeding Graph for Goose Creek Samples ....................................11 ii
Goose Creek Watershed Management Plan Version 1...………………...October 31, 2009 Figure 6 Historical SUSI Scores for Goose Creek ......................................................11 Figure 7 Goose Creek Benthic Macroinvertebrate Scores ..........................................12 Figure 8 Distribution of Land Uses in the Goose Creek Watershed ...........................15 Figure 9 Distribution of Hydrologic Soil Groups in the Goose Creek Watershed......16 Figure 10 Approximate Extent of the Goose Creek Watershed S.W.I.M. Buffers .......17 Figure 11 Approximate Extent of the Goose Creek Post Construction Buffers ...........18 Figure 12 Public Property in the Goose Creek Watershed ............................................19 Figure 13 Goose Creek Watershed Catchments ............................................................26 Figure 14 Distribution of Buffers in the Goose Creek Watershed ................................28 Figure 15 Fecal Coliform Rank .....................................................................................30 Figure 16 TN Ranking ...................................................................................................31 Figure 17 TP Ranking ...................................................................................................32 Figure 18 TSS Ranking .................................................................................................33 Figure 19 NH4 Ranking ................................................................................................34 Figure 20 Cu Ranking ...................................................................................................35 Figure 21 Overall Impairment .......................................................................................36 Figure 22 Goose Creek Stream Channel Characterization Reaches .............................39 Figure 23 Focus Basins with the Goose Creek Watershed ...........................................42 Figure 24 Focus Basin 11 ..............................................................................................43 Figure 25 Focus Basin 2 ................................................................................................44 Figure 26 Focus Basin 5 ................................................................................................45 Figure 27 Focus Basin 4 ................................................................................................46 Figure 28 Focus Basin 6 ................................................................................................47 Figure 29 Goose Creek Watershed Public Parcels ........................................................49 Figure 30 Aerial Photo of Parcels 19514219, 19514129 and 19514208 .......................50 Figure 31 Aerial Photo of Parcel 19701146 ..................................................................51 Figure 32 Aerial Photo of Parcels 19720111 and 19720106 .........................................52 Figure 33 Reach DSTOUS296 Area Map .....................................................................54 Figure 34 Reach DSTOUS329 Area Map .....................................................................55 Figure 35 Reach DSTOUS357 Area Map .....................................................................56 Figure 36 Reach DSTOUS299 Area Map .....................................................................57 Figure 37 Reach DSTOUS142 Area Map .....................................................................58 Figure 38 Reach DSTOUS184 Area Map .....................................................................59 Figure 39 Results of the Tree Canopy Analysis ............................................................60 Appendices Appendix A: References ...................................................................................................64 iii
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