The drowning victim who was pulled from Chatfield Reservoir on Sunday afternoon and transported to an area hospital in critical condition has died, Jefferson County sheriff’s officials said.

South Metro Fire Rescue responded to a water rescue alert in the Kingfisher area at Chatfield State Park around 4:35 p.m. Sunday, according to a social media post by the agency.

A man in his 20s was underwater and had not resurfaced for more than nine minutes, according to the department.

Divers found the man around 5:34 p.m., according to officials, and first responders performed CPR. The man was taken to a local hospital in critical condition,according to a 5:41 p.m. update

At 8:50 p.m., the Jefferson County Sheriff’s Office announced the man had died and that the law enforcement agency will be investigating the circumstances surrounding his death. “This appears to be nothing more than a tragic accident,” the sheriff’s office said on social media.

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