Sugars, starches and wheat pulp from a breakfast cereal plant relocating to Tremonton City, Utah, would cause the wastewater treatment plant to exceed its discharge permit limits of 25 mg/l BOD and TSS. The added loading was equivalent to 550 new homes.Public Works director Paul Fulgham and plant superintendent Jon Miller considered rehabilitating an unused 0.5 mgd trickling filter to handle the load. However, Scott Rogers and Brad Rasmussen, engineers at Aqua Engineering Inc. in Bountiful, Utah, suggested a system another local community used to handle additional loadings from a cherry processing plant. That community was using the STM-Aerotor technology
