I live near Goyt mill, and every morning about 4am a machine starts running, like an instrustrial motor, this carries on all day, then about 10.30pm a washing machine noise starts carrying on until the early hours, Stockport environment will not do anything about finding it, they have told us they can't hear it, but it is causing us a lot of distress, even our dogs are distressed. I hope you have better luck tracking it down than we have