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NOTICE: Annual spring cleaning for region’s water pipes will run from Monday, April 5 to Saturday, May 17. Learn more about our water quality process and get answers to common questions.
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Water System Maintenance

Arlington County crew flushing a fire hydrant.

Fire hydrants are flushed every spring as part of the disinfectant switch in the water distribution system.

Current Projects

View ongoing water distribution maintenance projects.

Water Distribution

There are several water system maintenance programs to ensure that the distribution system continues to operate effectively and efficiently, and to renew the aging infrastructure.

  • Distribution valve maintenance
  • Large valve maintenance
  • Fire hydrant maintenance
  • Fire hydrant painting
  • Water main cleaning and relining
  • Annual water main flushing
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