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<br />TABLE OF CONTENTS
<br />
<br />PREFACE ........................................,........................,...............................,...................................... i
<br />
<br />TABLE OF CONTENTS ..............,..............................,....................................,...............,............, ii
<br />
<br />INTRODUCTION ..............................,................................,............................,.............................. 1
<br />
<br />Purpose and Scope..... ......... ... ..... ..... ... .......,.., .., ... ... .... ... ..........., ........ ............ ... .... ........... "" 1
<br />
<br />Authorizati on,......,..,....................,......,.................,.....................................,......,.......,..,...... 1
<br />
<br />STUDY AREA DESCRIPTION ...............,................................................................,....................2
<br />
<br />Community Description .. ..... ... ..... ........ .., ............... ....... ... ... ... ... ..... ... ............ .......,.., .... ... .... 2
<br />
<br />Watershed Descriptions. ... .., ..,..,.... ... ..... ... ......... ... ......, .., ...... .............. ... ...... ... ..., ......., ... ...... 2
<br />Flooding Problems and Flooding History ....................................................,...................... 3
<br />
<br />Previous Studies. ... .... .., ... ... ..... ... ..... ........ ... ..,.., ... .......... ... ...... ... ... .....,.. .., .............. .... ....... ... 3
<br />Community Response to the CWCB Designation and Approval Process ..........................4
<br />
<br />ENGINEERING METHODS .........,.......,..................................,..........................,..,.......................5
<br />
<br />Hydrologic Analysis... ...,.. ...... ... ..... ........ ....., ..,..,.......... ......... ...... ... ..,..... ...,.......... .... ........... 5
<br />
<br />Hydraulic Analysis ....... ... ... ..... ... ..... ......., ......... ... ....... ... .............., .................. .... ........ ....... 10
<br />Floodplain Mapping ... ... ... ... ........ ........ ..... ... ... ... .......... ........., .., ..... ... ... ... ...... ......., ....... """ 1 0
<br />
<br />FLOODPLAIN MANAGEMENT .......................................,................................,.................,..... 11
<br />
<br />Local Ordinance Requirements ..............,..,.......................................................................11
<br />
<br />Flood Insurance .., .., ....... ... ... ........ ... ..... ..,.. ...... ... ... ..........,... ...... .., '" ..... ... .... ... ... ............ ..... 11
<br />Floodplain Management Altemati ves .. ..... ...... ..., ... ....... ... ... ...... ........,.. ......,... .... .... ........... 11
<br />
<br />APPENDIX
<br />Vicinity Map
<br />
<br />La Plata County Letter
<br />
<br />CWCB Hydrology
<br />
<br />La Plata County, Colorado Unincorporated Areas Revised May 21, 2001 FlS (selections)
<br />
<br />Flood Plain Delineation Study, Las Pinos River Below Vallecito Dam to the Southern Ute
<br />Indian Reservation Boundary, La Plata County, Colorado, 1999 (selections)
<br />
<br />Florida River Gage Analysis
<br />
<br />Lemon Dam Pertinent Data
<br />
<br />ii
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