Police said a homeowner found the dog in the family's pool on Appleman Road, Franklin Township, around 6:30 a.m. Wednesday.
The dog, named Shayla, needed to be rescued by police.
"St. Bernard's are known as rescue dogs. This morning, this lady needed rescuing," the police department posted on Facebook.
The young female dog is microchipped but no owner information was registered. Police thanked everyone for their help in getting Shayla back home.
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