Clarifiers can be retrofitted in the equalization tanks of the SBR.

In this plant, several streams converge in the equalization tank of this processor to produce a wastewater that is high in all of the above contaminants.

A surge/flow equalization tank located under an adjacent parking lot allows storm and peak flows to be retained and pumped to the treatment process during off peak hours.

A few questioned whether a pair of wastewater equalization tanks constructed to prevent sewage and stormwater from being dumped into the Mississippi River during periods of heavy rainfall actually alleviated or worsened the situation.

Washington Township Sewer Authority received a $6.2 million loan to convert the authority's wastewater treatment plant to equalization tanks and a pump station, install a new force main and interceptor that will convey the township's wastewater to the Borough of Edinboro's treatment plant.