Of those separators that provide significant suspended solids and BOD removals, the Cyclus SAFS system has the lowest installed cost in dollars per MGD of capacity. This is especially true for the lower MGD capacity systems. Although the hydraulic surface loading rate is lower than other technologies, no additional surface area is required for buildings, chemical makedown, flocculation, and solids storage. Therefore the total overall footprint is low. The solids concentration is twenty times greater than other technologies. The O&M costs are significantly lower when compared to other technologies since the system is fully automated and requires no handling of sand and waste solids.