The Sand Island Wastewater Treatment Plant is Honolulu’s largest plant, processing an average of 65 million gallons of wastewater a day. Hawaiian Dredging has collaborated on many improvement projects to keep this vital facility working efficiently.

Hawaiian Dredging constructed three new odor control systems utilizing state-of-the-art biological odor scrubbers with the capacity to treat 120,000 cubic feet of foul air every minute.

As 3A Makina, we are proud to deliver 2 x Æ46m tank diameter clarifiers made from 316 SS.