Rachel Rosoff, a senior at Enloe High School, was on duty and alone Saturday when a fellow employee showed up for work and found her floating face down in the water.
"She was right up against the ladder, looking like she has almost just gotten in and something must have happened," the employee said in a 911 call.
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A sign posted near the pool's entrance states the premises is under video surveillance. Sheriff Donnie Harrison told ABC11 that investigators were planning to return to the scene Wednesday to see whether the incident was caught on camera.
By late Wednesday afternoon, the sheriff's office released the scene, but said it's continuing to work alongside the NC Department of Labor and the Wake County inspections department.
The pool has passed county safety inspections the last two years. The county does not inspect or regulate electrical systems.
PREVIOUS STORY: INVESTIGATORS WORK TO FIND CAUSE OF ELECTRIFIED WATER
The state Occupational Safety and Health Division, under the labor department, said its investigation into whether health and safety standards were violated could last three to four months.
Heritage Point's Homeowners Association owns the pool. Professional Property Management, which runs the HOA, released the following statement to ABC11 on Wednesday:
"We are devastated to hear about this tragedy and our deepest sympathy is extended to the family. We are working to the fullest extent possible with investigators. At this time we are unable to comment further since this is an active investigation," said Brooke Hoff, of PPM.
WATCH: Classmates remember Rachel Rosoff
According to PPM's website, it serves neighborhoods across the Triangle and nearly a dozen surrounding cities including Wake Forest, Cary, and Apex.
Rachel's funeral is set for 11 a.m. Thursday at Brown-Wynne Funeral Home.
TIPS FOR ELECTRICAL SAFETY AROUND POOLS AND HOT TUBS (.pdf)
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