CWRB Briefing Slides - U.S. Army Corps of Engineers

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Future Without Project Conditions • Flood Damages averaging over $7.3 million will continue to occur. Average Annual Flood Damages will increase to $8.4 million by the year 2060. • Stringent floodplain and drainage ordinances will limit increases in flood damages. • Degradation to ecosystem will continue due to urbanization, but stormwater management practices will reduce rate <strong>of</strong> degradation. October 26, 2006 One Team: Relevant, Ready, Responsive and Reliable 16
Flood Damage Reduction Alternatives Evaluated in Detail Recommended: •Timber Creek •Floodplain Evacuation •OC Forest/Yarrabee Bend •Diversion •Levees •Floodplain Evacuation •Williamson Creek •Channel Modification •Floodplain Evacuation •Bear/Onion Confluence •Floodplain Evacuation •Floodwall October 26, 2006 One Team: Relevant, Ready, Responsive and Reliable 17
Page 1 and 2: Presentation to the CIVIL WORKS REV
Page 3 and 4: Desired Action • CWRB approve the
Page 5 and 6: Agenda • Background • Project D
Page 7 and 8: Project Locations October 26, 2006
Page 9 and 10: PDT Performance • Performed well
Page 11 and 12: Planning Process (ER 1105-2-100) 10
Page 13 and 14: Wharton Flooding ▼1935 Flood - Do
Page 15: Existing Conditions • Rapid urban
Page 19 and 20: Overview of Onion Creek - Timber Cr
Page 21 and 22: Overview of Onion Creek OC Forest/Y
Page 23 and 24: October 26, 2006 OC Forest/Yarabee
Page 25 and 26: Onion Creek Policy & Technical Revi
Page 27 and 28: Existing Conditions • Significant
Page 29 and 30: • No Action • Buyout • Levees
Page 31 and 32: Wharton Component Cost Apportionmen
Page 33 and 34: Proposed Milestone Schedule Milesto
Page 35 and 36: Agency Review • USFWS recommended
Page 37 and 38: 4. Reduce Losses USACE Civil Works
Page 39 and 40: USACE Environmental Operating Princ
Page 41 and 42: The 12 Points 1. Effectively Implem
Page 43 and 44: Recommendation • Recommend the Ci
Page 45 and 46: www.lcra.org Texas Water Developmen
Page 47 and 48: www.lcra.org Coordinated Effort Riv
Page 49 and 50: www.lcra.org City of Austin Remarks
Page 51 and 52: Flash Flood Alley 1998 1997 Shoal C
Page 53 and 54: City of Austin Onion Creek Forest /
Page 55 and 56: Area of Interest: Timber Creek Segm
Page 57 and 58: 9/8/2006 57
Page 59 and 60: July 1869 June 1941 November 2001 O
Page 61 and 62: Summary of Travis County/FEMA Buyou
Page 63 and 64: Availability of County Matching Fun
Page 65 and 66: www.lcra.org City of Wharton Remark
Page 67 and 68:
Nan Ya Plastics, Corp USA Dawson El
Page 69 and 70:
CITY OF WHARTON, TEXAS FEMA RE-MAPP
Page 71 and 72:
CITY OF WHARTON, TEXAS • City Tha
Page 73 and 74:
US Army Corps of Engineers ® Prese
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US Army Corps of Engineers ® Certi
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US Army Corps of Engineers ® SWD R
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Lower Colorado River Basin, TX Phas
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Documentation Lower Colorado River
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Lower Colorado River Basin - Onion
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Lower Colorado River Basin - Onion
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CWRB Briefing Slides - U.S. Army Corps of Engineers

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