SFPUC Crews Expect To Have Broken San Bruno Water Pipe Repaired Saturday

San Francisco Public Utilities Commission officials said they estimate a water transmission pipe that burst in San Bruno on Monday, causing millions of gallons of water to be lost, should be repaired by Saturday.

Utility crews discovered the break in the 54-inch regional transmission pipe at about 9:30 p.m. Monday at the Crystal Springs Road entrance to Junipero Serra County Park, SFPUC spokesman Tyrone Jue said.

The pipe, which was constructed in the 1920s, is part of the Hetch Hetchy Water System and is known as San Andreas Pipeline No. 2, according to the SFPUC. It serves three Peninsula water agencies.

SFPUC officials said the pipe broke because of decay and led to the loss of an estimated 15 million gallons of water.

Utility officials said they did not shut off the flow of water through the break until 11 a.m. Tuesday because they needed to maintain water pressure for firefighting and drinking water quality in the region.

If the water had been shut off, customers would have had to boil their water and the system would have been out of service for days, SFPUC officials said.

The three agencies that would have been affected by a drop in water pressure were the city of San Bruno, the North Coast County Water District and San Francisco County Jail No. 5 in San Bruno, SFPUC officials said.

No customers lost service, no properties were damaged and during repairs everyone will have service, SFPUC officials said.

The park will be closed until further notice.

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