NORWOOD PARK, Ill. - Crews scrambled Monday evening to contain a major water main break in unincorporated Norwood Park neighborhood, prompting concern among residents.

What we know:

The break occurred at the corner of Manor and Bryn Mawr avenues after a private contractor struck a 48-inch feeder main, according to officials.

The damaged main carries water to O’Hare and several western suburbs.

Water was seen shooting out of the ground like a fountain following the break.

It's a 48-inch feeder main that funnels water through O'Hare and the western suburbs of Chicago.

Crews are having difficulty shutting off the valve, which could extend the shutdown and complicate repair efforts.

What's next:

Residents in the area still have water service, but officials warned that could change if

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