The City of Round Rock has taken several steps to handle increased flows at the Brushy Creek Regional Wastewater System Treatment Plant, which is now operating within permitted discharge levels for volume of wastewater on a daily basis.
The regional wastewater plant, which is located along Highway 79 in Round Rock, has experienced a recent increase in the amount of flow it is receiving. The City of Round Rock announced in early March that the increase put the plant above its permitted discharge levels for volume of wastewater.
The City, which operates the plant on behalf of a regional partnership, has maintained communication with the Texas Commission on Environmental Quality (TCEQ) as crews worked to bring the plant back into compliance. The plant is jointly owned by the Cities of Round Rock, Cedar Park, Austin and Leander; the public drinking water supply has not been affected.
City staff continues to test the water in Brushy Creek on a daily basis to ensure compliance with TCEQ standards.
The City has conducted inspections throughout the City and region’s underground wastewater delivery system, which includes approximately 600 linear miles of City wastewater lines and 32 linear miles of regionally-owned wastewater lines. Crews have found multiple sources of inflow and infiltration, which is groundwater and surface water inadvertently entering the sewer system, which are contributing to approximately 3-4 million gallons per day (MGD) of unnecessary influent entering the plant.
In addition to repairs being made by City of Round Rock employees to smaller lines within the system, City has engaged third party contractors for repairs to be made:
The City of Round Rock has taken the following additional actions to create more capacity to handle the increase in influent while repairs are being made:
Utilities and Environmental Services Director Michael Thane provided an update to Round Rock City Council at its regularly scheduled packet briefing on Tuesday, April 26. The video of that presentation can be viewed below:
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City of Round Rock 221 East Main Street Round Rock, TX 78664 512-218-5400