The Madison Police Department opened a death investigation after the Madison Fire Department retrieved a female from Lake Mendota around 4:30 a.m. Friday.
MPD detectives are investigating how the individual entered the water, according to a Tuesday afternoon incident report. Nothing suspicious has been found.
MFD responded to a 911 call reporting someone yelling for help in the water near the 100 block of Iota Court, according to a report from MFD. Lake Rescue 1 located and brought the individual to shore.
Paramedics attempted lifesaving measures before transporting the patient to UW Health University Hospital.
MPD is currently speaking to nearby residents to collect video. Those with information pertaining to the investigation can contact MPD at (608) 255-2345.