The number of complaints the district council receives has increased from 10 to 30 a week, with no end in sight.
"I thought I was going mad at first. I hear it every night unless it's windy or raining," Linda Zammit, of Woolston, Southampton, told The Independent. "It doesn't keep me awake but it stops me getting back to sleep if I do happen to wake up."
Sound monitoring equipment is being installed at a number of properties whose residents have made complaints. Those people are also being asked to keep a diary of what they hear.