Cloth media filters treat combined sewer overflow
Problem:
The city of Rushville, Indiana, had to comply with a 2007 consent order for combined sewer overflows polluting the Flatrock River. The city planned to install a 1 million-gallon stormwater storage tank.
Solution:
The city was approached by Aqua-Aerobic Systems with a pilot test proposal using the AquaStorm cloth media filter. The pilot study captured events from May to July 2015. The results prompted the city to request a design for an AquaStorm filtration system that could treat both dry- and wet-weather flows. An alum coagulant was to be injected upstream of the
