A water main burst and flooded an intersection near Mira Mesa and Rancho Penasquitos Wednesday.
Black Mountain Road near Mercy Road was closed just after 6 a.m. due to flooding.
Crews with the City of San Diego Public Utilities Department have identified the location of the break and say they shut of water at 7:45 a.m.
There were no customers without water service, officials said.
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Black Mountain Road was closed to all northbound traffic at Mercy Road, police said.
Repairs were expected to be completed by 8 p.m.
