After a nearly week-long boil water notice, residents of Granada Hills and Porter Ranch can use their taps again.

The Los Angeles Department of Water and Power lifted the advisory issued to more than 9,000 customers on Tuesday, but strongly urged residents to flush their pipes using their tap water. The agency recommended people turn on all of their faucets one by one for five minutes each to let the old water out.

LADWP customers impacted by the boil water notice will receive a $20 credit for flushing out their pipes. Officials provided the following instructions to flush the water supply adequately:

Remove aerators and screens from all faucets. Set water-softening devices and filters, both point-of-use and whole-house, to "bypass mode."

Flush outside plumbing: open and flush external

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