Description
The Liberty Hill Wastewater Treatment Plant is undergoing a $12.2 million expansion to increase treatment capacity to 2 million gallons per day and to upgrade odor control.
Project Status
Final Phase of Construction
Project Cost
$12,260,986, Funded by the City of Liberty Hill
Plant Background and Operation
2007
LCRA built the Wastewater Treatment Plant using SBR technology. The plant had a capacity of 400,000 gallons per day.
2014
The City of Liberty Hill purchased the plant from LCRA.
2018
To provide additional capacity to support the city’s growing population, the City upgraded the system to a capacity of 1,200,000 gallons per day and added MBR technology.
2021
The Liberty Hill Wastewater Treatment Plant is currently undergoing a $12.2 million expansion to increase capacity to 2,000,000 gallons per day to keep up with demand and to upgrade odor control. The older SBR Technology has been decommissioned.
New MBR technology is currently operating as an active treatment plant.
Recent Actions Taken to Mitigate Odor Control
o Installed metal sheets to enclose the MBR headworks box
o Installed odor mister system and air scrubber unit near the Kusters and headworks box
o Installed plastic curtain in the headworks box.
o Added chemicals to lift stations.
o Decommissioned old SBR technology.
Next Steps to Mitigate Odor Control
o If odors continue, determine the source of the odor.
o Measure the odor constituents and strengths.
o Develop a comprehensive plan to address the problem areas.
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