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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 July 16 the City Council authorized negotiations between the City and LCRA for the provision of project management services by LCRA. It is anticipated that a proposed interlocal agreement for these services will be presented to the Council by the end of August. The design engineer selection process will begin immediately after execution of the interlocal agreement.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. The proposed tunnel is expected to take approximately eighteen months to design and two to three years to construct. Basic Data
Revised July 17, 1998 Back to the July 1998 Contents |
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