Recently I had a question from a reader about a shallow trench pressure distribution system. He is a landlord and his tenants inadvertently turned the pump switch off. When they realized what they had done, they turned the switch back on, delivering an estimated 1,200 gallons of effluent in one dose to a system designed to handle 450 gpd. Almost three days of sewage flowed in the time it took the pump to deliver the effluent.
The reader says the area at the end of the pressurized trenches became soggy and some effluent bubbled to the surface. He wondered if there
