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I o t associates <br />ateillom I NeW <br />EXECUTIVE SUMA Y......................................we;;;;;.................................... -1 <br />List of Proposed Improvements for Existing Conditions .............................. <br />Table ES-1 <br />Significant Drainage or Flooding Problems .................................................. <br />Table ES-2 <br />List of Proposed Improvements for Future Conditions ........................„..... <br />Table ES-3 <br />ProposedImprovements (Section 1)... .:.:...................................................... <br />Figure ES-1 <br />ProposedImprovements (Section 2).............................................................. <br />Figure ES-2 <br />ProposedImprovements (Section 3).............................................................. <br />Figure ES-3 <br />ProposedImprovements (Section 4).............................................................. <br />Figure ES-4 <br />Proposed Improvements (Section 5).............................................................. <br />Figure ES-5 <br />Proposed Improvements (Section 6).............................................................. <br />Figure ES-6 <br />Channel Cross Section for B 112-00-00......................................................... <br />Figure ES-7 <br />1.1 Purpose and Scope................................................................................... 1-1 <br />1.2 Authorization ........................................................................................ 1-1 <br />1.3 Prior Reports of Present C WDS Report .................................................. 1-1 <br />1.4 CDWS Report .......................................... ........: ........ .: i-...... 1-3 <br />L5Data Sources......... ... 4 ............................................................................... 1=4 <br />1.6 Acknowledgements................................................................................. 1-4 <br />2.1 Background Information.......................................................................... 24 <br />2.1.1 Land Use...................................................................................... 2-1 <br />2.1.2 Drainage Overview...................................................................... 2-2 <br />2.2 Watersheds and Primary Surface Drainage ............................................. 2-3 <br />2 2.1 Armand Bayou Watershed........................................................... 2-3 <br />2.2.2 Clear Creek Watershed................................................................ 2-4 <br />2.2.3 San Jacinto/Galveston Bay Watershed ........................................ 2-4 <br />2.3 Drainage and Flooding Problems............................................................ 2-5 <br />2.3.1 Base Flood Maps and Regulatory Floodplains ............................ 2-5 <br />23.2 Drainage and Flooding Problem Identification ........................... 2-6 <br />2.3.3 Subdivision Areas with Significant Drainage or Flooding <br />Problems...................................................................................... 2-7 <br />2.3.4 Problem Areas with Short Term Drainage Project Remedy........ 2-8 <br />_ ________ _ <br />TOC-1 <br />Klotz Associates Project No, 0127.008.000 La Porte Citywide Drainage Study <br />January 2009 City of La Port, <br />