Goose Creek Watershed Management Plan Version - Charlotte ...

Goose Creek Watershed Management Plan Version 1...………………...October 31, 2009
Table of Contents
Executive Summary ...........................................................................................................1
Section 1 Introduction ................................................................................................2
1.1 Purpose .........................................................................................................2
1.2 Background ..................................................................................................2
Section 2 Current and Historical Conditions...........................................................8
2.1 Previous Work .............................................................................................8
2.1.1 Fecal Coliform TMDL .................................................................................9
2.1.2 Water Quality Recovery Program ................................................................9
2.1.3 NC DOT .......................................................................................................9
2.1.4 Charlotte Mecklenburg Utilities ..................................................................9
2.1.5 North Carolina Ecosystem Enhancement Program ....................................10
2.2 Existing Conditions ....................................................................................11
2.2.1 Water Chemistry ........................................................................................10
2.2.2 Biological ...................................................................................................11
2.2.3 Physical ......................................................................................................14
2.2.4 Stream Flow ...............................................................................................13
2.2.5 Land Use/Land Cover ................................................................................13
2.2.6 Soils............................................................................................................15
2.3 Current Watershed Protection Efforts ........................................................16
2.3.1 S.W.I.M. Buffer Ordinance........................................................................16
2.3.2 Post Construction Buffers ..........................................................................17
2.3.3 Goose Creek Watershed Site Specific Management Plan .........................18
2.3.4 BMP Retrofits and Land Acquisition ........................................................19
2.3.5 Existing NPDES Permitted WWTPs .........................................................20
Section 3 Watershed Indicators and Goals ............................................................21
3.1 Upland ........................................................................................................21
3.1.1 Upland Water Quality Indicators ...............................................................21
3.1.2 Upland Water Quality Goals ......................................................................21
3.2 In-Stream....................................................................................................22
3.2.1 In-Stream Water Quality Indicators ...........................................................22
3.2.2 In-Stream Water Quality Goals .................................................................22
3.3 Channel ......................................................................................................28
3.3.1 Stream Channel Indicators .........................................................................29
3.3.2 Stream Channel Goals................................................................................30
Section 4 Watershed Assessment ............................................................................24
4.1 Upland Characterization ............................................................................24
4.1.1 Methodology ..............................................................................................24
4.1.2 Results ........................................................................................................29
4.2 Stream Channel Characterization ..............................................................36
4.2.1 Methodology ..............................................................................................36
4.2.2 Results ........................................................................................................39
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