Check out our newest product animation! This video shows both above and below ground 3D views of the Stage 1 Wastewater Treatment Plant. The Stage I is a package wastewater treatment plant designed for small facilities and those with limited footprints or future plans for expansion. Recognizing that a pump station is necessary for most wastewater treatment systems, Cloacina developed a compact unit that provides high- quality treatment in the footprint of the average pump station.