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Waller Creek Flood-Management and Water Quality ImprovementsSummaryA 1996 study developed a flood-management plan for the lower Waller Creek watershed (15th to Town Lake). A water quality master plan for the entire Waller Creek watershed was also prepared. Architectural review of the proposed improvements was conducted to ensure compatibility.
StatusOn May 2 the voters of Austin approved a bond proposition "Authorizing the City of Austin to provide for the planning, acquisition, establishment, development, construction, and financing of the Convention Center/Waller Creek project and to impose a hotel occupancy tax at a maximum rate of two percent (2%) for the purpose financing the venue project." The proposed tunnel is expected to take approximately one year to design and two to three years to construct.DescriptionThe tunnel will be 20 feet in diameter, 5,500 feet long and will intercept creek flows in Waterloo Park below 15th Street and discharge to Town Lake. The project will remove 42 commercial and residential structures and 12 roadway crossings from the 100-year floodplain.The natural baseflow (the sustained flow in a stream) of Waller Creek will be preserved and augmented by re-circulation of water through the tunnel, a water quality benefit. The diversion of flood flows will allow development along the banks which is currently prohibited by floodplain ordinance. In addition, the project will include stabilization of eroding stream banks from Fifth Street to Town Lake to protect properties and also improve water quality. Basic Data
Revised May 20, 1998 Back to the April 1998 Contents |
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