A worker is being treated at Cape Cod Hospital after being rescued from the Sandy Pond Water Tower on Buck Island Road.
The Yarmouth Fire Department's 911 Center received a call Tuesday afternoon after the worker had a medical event and was trapped in their harness, 100-feet off the ground in the water tower.
First responders carried out a rope rescue and the worker was taken to the hospital.
The Hyannis Fire Department and the Barnstable County Tech Rescue Team assisted at the scene.