Every month, operators at the West Jackson County Regional Land Treatment Facility in Ocean Springs, Miss., launched a boat into the 20-acre aeration cell in the treatment lagoon and spent up to six hours servicing eight splasher-type 25 hp surface aerators. In addition, the underwater power supply experienced frequent shorts, and the mooring cables holding the units to their concrete pads sometimes broke.
“About every three months, we’d find an aerator spinning wildly or flipped over and tangling itself in the cables,” says section manager Kevin Elliott. “A local shop rewound the motor, but it still took two weeks to get
