Yarmouth Fire-Rescue responded to a report of a teenager falling from a water tower last night.
The incident occurred at approximately 6 p.m. near German Hill Road.
Rescuers arrived on scene and found the teen, who was suffering from life-threatening injuries.
A MedFlight helicopter was requested, but was unable to arrive due to weather conditions; the victim was taken to Cape Cod Hospital.
Medical personnel estimate the fall from the tower was approximately 70 feet.
The incident is under investigation by Yarmouth Police.