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The original item was published from 5/21/2019 12:15:29 PM to 8/31/2019 4:00:05 PM.

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La Vergne News Flash

Posted on: May 21, 2019

[ARCHIVED] Inframark to begin unidirectional flushing May 28

image of Inframark Services logo

The water plant will start their annual unidirectional flushing on May 28th, 2019. The flushing will occur Monday through Friday from 9:00 am to 4:00 pm and will continue for two to three months.

We will start on the north side of the city and work our way south. A city-wide announcement will be made once the flushing is completed.

What is Unidirectional flushing? Unidirectional flushing is used to improve and maintain our high-quality drinking water. Sediments and mineral deposits in the pipes can discolor drinking water. The high-speed water flows used in unidirectional flushing is an efficient and cost-effective way to remove sediments and deposits from the pipes and prevent potential water quality issues. 

Why does La Vergne flush drinking water pipes? Drinking water pipes are flushed out to maintain water quality. Over time, very fine sediment from mineral deposits and organic matter settle out of the water and accumulate in the bottom of the pipes. While the sediments pose no health risk, they can make the disinfectant in the water less effective. Additionally, sudden changes in the flow of water can disturb these sediments resulting in cloudy, discolored water.

What should customers expect to see? While crews have the hydrants open, passersby may notice water running down the road to a nearby storm drain. At times, the water may be very cloudy or discolored and this is normal.

How will this affect the customers home? 

  • Customers in the immediate vicinity of flushing may notice temporarily discolored water and lower than normal water pressure. The discoloration does not pose a health risk. However, avoid using tap water or running the washing machine or dishwasher until flushing is complete. It should take 1 to 3 hours per street depending upon the number of hydrants in the area.
  • If you experience some discoloration in your water from nearby flushing, remove the aerator on the faucet and run the cold water for 5 minutes to see if it clears.  If it does not clear wait an hour and try again. When the water runs clear, flush any faucets where discolored water was present.
  • If you have any questions or need to report concerns, please call the water plant at 615-793-6536.

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