A main line in Park City's waterworks system broke last weekend along a street in Deer Valley, sending approximately 500,000 gallons of water gushing out and forcing an extended road closure.

City Hall closed the Guardsman Connection road from Sunday afternoon until 6 a.m. on Wednesday to repair erosion on the shoulder caused by the water. Marsac Avenue was closed for three hours on Sunday from the Guardsman Connection intersection to a location close to the runaway-truck ramp.

Clint McAffee, the water manager for City Hall, said the break occurred along Royal Street just downhill from Stein Eriksen Lodge entrance. The line is 10 inches in diameter. McAffee said it appears the break was caused by a cycle of freezes and thaws.

The repair crew dug out the damaged section of the water line and replaced it with an approximately 10-foot-long new section.

McAffee said there were widespread outages of water service in the Silver Lake area from noon until 4 p.m. on Sunday.

The Park City Police Department said in an online statement nobody was injured and there were no accidents. The break caused what the police described as a "debris slide," though.

According to the police, two officers performed traffic control into the afternoon.

"People were less than understanding in regard to having to travel around through Deer Valley Dr. to get to their destinations," the online police statement said.


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The statement said an emergency official at City Hall later told the police officers they no longer needed to man the location, but the barricades were to remain. People moved the barricades after the police left the post, the online statement said.

The next day, the police said, drivers were navigating around the barricades. Heavy machinery was later parked in a manner to discourage drivers from maneuvering through the damage zone, according to the police.

McAffee said the parking garage of the Black Bear Lodge was flooded with between eight and 12 inches of water as a result of the break. The bottom of an elevator shaft at the lodge also was flooded, he said.

Meanwhile, an unrelated water-line break occurred on Main Street on Monday. McAffee said the line serves the Silver Queen Hotel building at the Heber Avenue intersection. He said the line corroded over time. The break was on the municipal side of the meter, meaning it was City Hall's responsibility to conduct the repairs, McAffee said.

Water service was interrupted to the building while the repairs were underway. The building is undergoing a major renovation and is unoccupied.