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Carrollton to Launch First-of-Its-Kind Water Line Flushing Pilot Program

Post Date:07/11/2019 9:04 AM
The City of Carrollton will soon launch a Water Line Flushing Pilot Program with the goal of reducing the total amount of water used throughout the City while simultaneously maintaining water quality.

Currently, the City’s Public Works Department tests water each month at approximately 430 locations, which are at the end of water lines, often in cul-de-sacs. These locations experience lower water volumes than other locations throughout the City, and therefore more frequently have water quality issues. This is due to Carrollton’s decreasing water consumption as a result of conservation efforts in a water distribution system that was originally designed for higher volumes. 

Water Line Flushing Pilot ProgramIf the chlorine residuals at these locations are not at an acceptable level, the nearest fire hydrant is used to flush the lines until residuals are brought back up. Fire hydrants are seldom located near the end of cul-de-sacs, and when opened, release approximately 1,000 gallons per minute. As a result, an average of one million gallons are flushed each day to ensure proper water quality. 

“While water conservation efforts have produced many positive benefits and we’re proud of Carrollton’s commitment to be a good steward of this limited resource, lower consumption also creates the challenge of maintaining the high water quality Carrollton residents are accustomed to,” Public Works Director Jody Byerly said. “Our citizens’ health and wellbeing through a safe water supply is one of our top priorities, and this first-of-its-kind Water Line Flushing Pilot Program aims to provide that without the need for so many gallons to be flushed each day.”
  
For the pilot program, the City will partner with approximately 10-15 residents whose homes are on the end of five water lines to use their automatic sprinkler systems to draw stale water from the end of the line and maintain chlorine residuals throughout the month. Each resident will be asked to run their sprinkler system a few times a week in addition to their regularly scheduled watering. Participants will be reimbursed for the additional water used and provided with a free irrigation system inspection by a licensed irrigator. 

“We’re excited to launch this innovative program next month and hopeful that it will not only reduce Carrollton’s total water consumption with reduced flushing, but also save the City thousands of dollars over time,” Bob Scott, Assistant City Manager and Chief Financial Officer, said. 

The pilot program will begin Thursday, August 1 and continue through Saturday, February 29, so that the City can monitor water quality and test the program’s impacts during varying weather conditions. 

If the program proves successful in decreasing the amount of water that must be flushed each month while still maintaining water quality, Carrollton City Council will consider expanding the program to include more locations. 

“I’m proud of our staff for coming up with this solution to potentially solve a problem that many cities face and am excited to see how the program progresses,” Mayor Kevin Falconer said. “Carrollton’s vision is to be the community that families and businesses want to call home, and this innovation is an example of the Carrollton Difference at work.”

To learn more about the City of Carrollton’s Public Works Department, including its Water Utilities Division, visit cityofcarrollton.com/publicworks. For more information about the City’s water conservation efforts, visit cityofcarrollton.com/water.
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