November 30, 2021 – Harris County Commissioners Court authorized a change in the construction contract for the South Belt Stormwater Detention Basin excavation Phase 3, adding 74 calendar days and resulting in no change to the contract amount.
August 10, 2021 – Harris County Commissioners Court amended an interlocal cooperation contract with the University of Houston Clear Lake in connection with floating treatment wetlands at this basin
May 25, 2021 - Harris County Commissioners Court approved an amendment to a Joint Funding Structure between Harris County and the Flood Control District for the construction of recreational trails at this basin. Court members also approved naming the basin in honor of the Reverend William A. Lawson
September 29, 2020 - Harris County Commissioners Court authorized an additional $12,000 to the contract amount for construction of this project.
September 15, 2020 – Harris County Commissioners Court authorized the acquisition of one easement in support of this project.
May 19, 2020 – Harris County Commissioners Court approved updates to project details in the 2018 Bond Program List. Update changes project title to include Unit ID; project funding also updated based on engineer's estimate and consolidation with Bond ID C-05; and project type changed because no funding partner has been identified.
May 2020 – Construction began.
April 28, 2020 – Harris County Commissioners Court authorized negotiations with an engineering firm for materials engineering and testing services in support of this project.
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 the Christia V. Adair Stormwater Detention Basin.
January 28, 2020 - Harris County Commissioners Court awarded a $16.96 million contract for construction of the South Belt and Christia V. Adair Stormwater Detention Basins.
November 12, 2019 – Harris County Commissioners Court authorized negotiations with various political jurisdictions for agreements in support of collaborative efforts to implement the Clear Creek Federal Flood Risk Management Project and Clear Creek watershed bond projects.
August 13, 2019 – Harris County Commissioners Court authorized negotiations with an engineering firm for materials engineering and testing services in support for this project.
November 13, 2018 – Harris County Commissioners Court awarded a $428,051 contract for engineering services to provide design, bidding and engineering services in support of this project.