Low-pressure system installed on limited-absorption propertyProblem: A Lake Wylie, S.C., vacation home with a 1,000-gallon septic tank sat atop a former gravel pit where the ground had limited absorption for lateral discharge, with solids buildup that required frequent clean-outs. Adding a conventional grinder pump reduced the volume of solids but also concentrated hydrogen sulfide gas in the wastewater. The acidic gas ruined the original pump in four years. Although replaced under warranty, a replacement pump ran until out of warranty and cost the homeowner a substantial amount for a replacement, which soon began emitting bearing noise.Solution: A Flygt Low Pressure
