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Water pouring out of 60-foot crack in Utah dam as city of Panguitch prepares to evacuate

Salt Lake City — Workers hurriedly tried to shore up a rural Utah dam after a 60-foot crack sent water pouring into a creek and endangering the 1,800 residents of a downstream city.

State and local leaders don't think the Panguitch Lake Dam is in imminent danger of breaking open but have told residents to be prepared to evacuate if conditions worsen. Emergency management officials passed out a list of evacuation procedures to worried residents at a Wednesday evening town meeting meant to mitigate panic.

"I can't say that the emergency situation is entirely averted, but I'm very, very encouraged by the progress we've made today," Everett Taylor, an assistant state engineer for dam safety with the Utah Division of Water Rights, told residents of the southern Utah town.

Lowering the reservoir to below the affected area will take several days, he said. About 2 feet of water remained above the crack as of Wednesday evening, and workers had covered nearly 45 feet of the crack with boulders.

Dam Crack Utah
In this photo provided by the Utah Division of Water Rights, crews use heavy machinery to place boulders downstream of the cracked Panguitch Lake Dam to reinforce the wall on April 10, 2024. Matt Call / Utah Division of Water Rights via AP

An ice sheet on the reservoir had pushed up against the dam, causing the top to crack and tilt downstream, with water gushing through the opening, Taylor explained. His staff was able to relieve some of the pressure against the dam by making large cuts across the ice sheet. The ice has now pulled away, and the top of the dam has tilted back, he said.

Local officials discovered the fissure in the upper portion of the dam during an inspection Monday night, and state officials announced it to the public on Tuesday. The state has labeled it a level 2 breach risk - a designation in the middle of the three-prong scale that means there is potential for dam failure.

If a breach occurs, state and local law enforcement will work with the Red Cross to evacuate Panguitch, which sits about 10 miles downstream from the dam. Another tiny town, Circleville, is farther downstream and faces a lower flood risk.

Sgt. Jacob Cox of the Utah Highway Patrol, which has been tasked with helping prepare the town in case of an evacuation, told residents Wednesday that they should have ample time to gather their belongings and evacuate safely.

"This can be orderly," he said. "If the notice is that the dam has broken or breached, we have time. The estimation is roughly two hours before those floodwaters are really inundating the town."

Sirens would sound in the event of an evacuation, and officers would go door to door to make sure everyone has cleared the area, Garfield County Sheriff Eric Houston said. A nearby chapel and high school would serve as emergency shelters.

Water is being released at nearly 260 cubic feet per second to draw down the reservoir below the crack. Large rocks are being trucked in and placed on the downstream side of the dam to support the wall. No rain is forecast until Saturday.

Dam's history  

The dam was built in the late 1800s, but the top portion that cracked was added in the 1930s and 1940s. There were no previous concerns regarding its structural integrity and the crack came as a surprise, Taylor said.

Deputy Sate Engineer Michael Drake told CBS Salt Lake City affiliate KUTV the privately owned dam undergoes annual inspections by the Division of Water Rights of the Department of Natural Resources and was last checked in May of 2023 and met all standards with no major issues noted. Officials are reviewing past inspection records, he added.

Panguitch Mayor Kim Soper urged residents to steer clear of the creek receiving runoff from the reservoir, warning that the water level is much higher than usual and is a danger to children.

He teared up as he recalled standing in the same gymnasium in 2017 to prepare evacuation plans as a wildfire ravaged southern Utah.

"We got through that, and we're going to get through this," Soper assured his community. "It's just a different emergency."

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