New Jersey American Water will be performing its annual cleaning of the water distribution system beginning the week of March 18, where crews will perform maintenance work to flush out harmless mineral deposits that may have built up in the pipes’ inner walls.

NJAW says that flushing the water mains involves loosening sediment by pumping a high velocity of water into the pipes then out through open fire hydrants.

The service areas that will be impacted and dates when flushing begins are at, under 'Alerts'.

While water mains are being cleaned, it is common for customers to notice short periods of low water pressure or discolored water.

If customers experience temporary water discoloration, New Jersey American Water recommends running the cold water until it is clear.

Here are some other helpful tips that are also encouraged:

  • Draw water for cooking prior to the flushing period
  • Store a large bottle of water in the refrigerator for drinking
  • Check for discolored water before using the washing machine or dishwasher
  • If water pressure or water volume seems low after flushing has been completed, check faucet screens for trapped particles.

In addition to viewing the schedule on the company’s website, you have the option to be updated on the local flushing schedule via phone call, text or email by enrolling in New Jersey American Water’s CodeRED customer notification system at

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