By CBS3 Staff

ERMA, N.J. (CBS) – Authorities are investigating the death of a 3-year-old girl in Cape May County. Lower Township police say the toddler died after falling into a septic tank in Erma on Saturday night.

It happened at the Sun Outdoors Campground on the 600 block of Route 9, just before 9:30 p.m.

READ MORE: Fall Full-Capacity Concerts, Xfinity Live! Preparing To Reopen Has Philadelphia's Stadium District Buzzing With Energy

When officers arrived, they found the unresponsive 3-year-old girl. Police say she had been pulled out of the sewage septic tank after accidentally falling in.

She was rushed to Cape Regional Medical Center where she was pronounced dead.

The cause and manner of death are pending the final autopsy report.

READ MORE: Tolls Increasing Sunday On 8 Delaware River Crossings Connecting Pennsylvania, New Jersey

Andrew DeLong, RVP for Sun Communities overseeing Sun Outdoors, released a statement to CBS3 on the tragic accident:

“There was a tragic accident involving a child that occurred last night at our campground in Cape May, and first we wish to express our heartfelt condolences to the family as they face this incredibly difficult time. Details of the incident are still being investigated and we are working closely with local officials. This was a devastating accident, and our thoughts are with the family and we also stand ready to provide any comfort and support they may need.”

Authorities say the preliminary investigation has not revealed any signs of foul play.

MORE NEWS: Pennsylvania's Democratic Senate Race Raises Simmering Divisions Inside Party

The incident remains under investigation.