F-03 Dagg Stormwater Detention Basin

F-03 Dagg Stormwater Detention Basin
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Recent Actions

February 11, 2020 - Harris County Commissioners Court authorized a joint funding structure between Harris County and the Flood Control District for construction of trails at this basin

January 28, 2020 - Harris County Commissioners Court awarded a $16.96 million contract for construction of the South Belt and Dagg Stormwater Detention Basins

November 12, 2019 – Harris County Commissioners Court approved this project to be advertised for construction bids.

October 29, 2019 – Harris County Commissioners Court authorized $52,630 in additional engineering services in support of this project

August 13, 2019  Harris County Commissioners Court authorized negotiations with an engineering firm for materials engineering and testing services in support of this project 

July 30, 2019 – Harris County Commissioners Court authorized acceptance of a Preliminary Engineering Report in support of this project 

May 30, 2019  A Community Engagement Meeting was held for this project 

November 13, 2018 – Harris County Commissioners Court approved a $428,051 agreement with an engineering firm for final design of this project 

August 28, 2018 – Harris County Commissioners Court authorized negotiations with an engineering firm for final design of this project

Project Description

The Dagg Stormwater Detention Basin (HCFCD Unit A500-08-00) will help reduce flooding risks in the Clear Creek watershed by storing excess floodwater during times of heavy rain, and releasing it back to the creek when the threat of flooding has passed. The basin will be located on an approximately 22-acre site near the intersection of Cullen Boulevard and the Sam Houston Tollway, just north of Christia V. Adair Park. 

A preliminary engineering report completed in September 2018 evaluated alternatives for the basin, which is proposed at the site of a former sand pit purchased by the Flood Control District in 2017. The report recommended construction of a basin with a permanent pool that will hold approximately 188 acre-feet of stormwater and include features to improve stormwater quality. 

The Flood Control District is coordinating plans for the basin with Harris County Commissioner Precinct 1, which manages Adair Park. The project complements but is separate from the Clear Creek Federal Project.

  • This project is a “Local Only” bond project, which means there is no other funding partner at this time and total project costs would be paid with bond funding. 
  • Total allocation for this multi-stage project is currently $7.4 million on the Bond Project List.

Bond Listing

List of 2018 Bond Projects


The Harris County Flood Control District has a significant number of flood damage reduction projects occurring all over Harris County as part of its on-going Capital Improvement Program (CIP), Operations and Maintenance, and the 2018 Bond Program. Click on the red and orange highlighted areas to learn about projects' details. Some early-stage projects are not highlighted in the map. The map will be updated when projects advance or when more information becomes available. 

• Maintenance Projects   
• Capital Projects

PROJECT LIFECYCLE

Every flood damage reduction project is unique. Yet each project begins and ends, with common and predictable milestones along the way. Whether a project moves forward – and how quickly – depends on many factors, including the availability of funding at each milestone, shifting community priorities for flood damage reduction, and other changing circumstances (such as the price of trees or concrete) from year to year.

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community Engagement Meeting

A Community Engagement Meeting was held for this project on May 30, 2019.