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Overview of Harris County Watersheds: Flood Control and Infrastructure Development

Harris County features several key watersheds within Loop 610, including White Oak Bayou, Buffalo Bayou, and Brays Bayou. Collectively, these areas serve a large population, with significant drainage capabilities and primary streams vital for flood control. Flooding occurs on average once per decade in these watersheds. The Buffalo Bayou area is set for $5.6 billion in investment to enhance its flood capacity and facilitate waterfront growth, while the Project Brays aims to implement various modifications and improvements for effective stormwater management.

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Overview of Harris County Watersheds: Flood Control and Infrastructure Development

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  1. HARRIS COUNTY WATERSHEDS WITHIN LOOP 610 SOURCE: HARRIS COUNTY FLOOD CONTROL DISTRICT

  2. White Oak Bayou Watershed • Population = 416,067 • Drainage Area = 111 sq. miles • Open Stream Miles = 151 • Primary Streams = White Oak Bayou, Little White Oak Bayou, Brickhouse Gully, Cole Creek, Vogel Creek SOURCE: HARRIS COUNTY FLOOD CONTROL DISTRICT

  3. Buffalo Bayou Watershed • Population = 410,658 • Drainage Area = 103 sq. miles • Open Stream Miles = 116 • Primary Streams = Buffalo Bayou, Rummel Creek, Soldiers Creek, Spring Branch, Turkey Creek SOURCE: HARRIS COUNTY FLOOD CONTROL DISTRICT

  4. Brays Bayou Watershed • Population = 722,716 • Drainage Area = 127 sq. miles • Open Stream Miles = 121 • Primary Streams = Brays Bayou, Keegans Bayou, Willow Waterhole Bayou • ** SEVERE FLOODING, ON AVGERAGE, ONCE EVERY DECADE SOURCE: HARRIS COUNTY FLOOD CONTROL DISTRICT

  5. CURRENT LAND USE IN RELATION TO FLOODPLAINS SOURCE: H-GAC

  6. SOURCE: H-GAC

  7. SOURCE: H-GAC

  8. BUFFALO BAYOU AND BEYOND • Today, the 52-mile stretch of Buffalo Bayou is the nation’s number one port in foreign cargo and one of the largest ports in the world. • The Buffalo Bayou Master Plan • anticipates $5.6 billion of private • investment in the Buffalo Bayou • District over the next 20 years. • Public investment is estimated at • $800 million (hard costs only) over • this period. • Flood capacity improvements integrated with waterfront growth protect Downtown: 100-year flood levels can be reduced by an estimated eight feet. SOURCE: WWW.BUFFALOBAYOU.ORG/VISIONARY

  9. Richardson Park is envisioned with an office center, homes, apartments, retail services and an environmental science campus. • The new North Canal invites design of multilevel structured edges to provide flood protection, as well as areas for outdoor seats, tables, and kiosks. SOURCE: WWW.BUFFALOBAYOU.ORG/VISIONARY

  10. PROJECT BRAYS • 70 individual projects • The three major techniques being used are channel modifications, bridge modifications and the construction of regional storm-water detention basins. • The total cost of Project Brays will be approximately $450 million. SOURCE: WWW.PROJECTBRAYS.ORG

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