Owner

Central Marin Sanitation Agency

Engineer

Carollo Engineers

Objective


Renovate the existing wastewater treatment plant to expand their wet weather capacity from 90 million gallons per day to 125 million gallons per day.

Challenge


Connecting a new 66″ pipeline to the plant’s existing 84″ outfall piping while bypassing the entire plant flow and keeping the facility online.

Result


Meet the NPDES permit requirements and not overflow wastewater or partially treated effluent into the drainage systems adjacent to the plant.