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DENVER — Several feet of freezing water broke through an ice dam Thursday afternoon, prompting a brief scare in Big Thompson Canyon.

Initially the Larimer County Sheriff’s Office warned residents along the canyon around 1:30 p.m. to be wary of the water rush, but later said the dam rupture was not significant enough to cause any damage.

Deputies driving the Big Thompson canyon confirm no problems. Water level up slightly but beginning to fall back to normal. The emergency notification was subsequently cancelled.

The Colorado Department of Transportation reported that the dam broke near mile marker 78 on Highway 34.

Emergency notifications were out to residents, but they were quickly rescinded, deputies said in a tweet.