Fields Point Wastewater Treatment Facility

The Narragansett Bay Commission required a new design for their Fields Point Wastewater Treatment Facility to reduce the total nitrogen discharged into the bay. The new design enables NBC to meet water quality requirements of the discharge permit for the wastewater treatment facility. Additionally, it provides new equipment, facilities and buildings, including a new operations building. The new facility features the largest IFAS (Integrated Fixed-film Activated Sludge) biological wastewater treatment process in the world.

Project Features

  • Rhode Island’s largest wastewater treatment facility and one of the first in the country.
  • Capacity of 200 million gallons per day (MGD).
  • Flow to Field’s Point comes through 61 miles of pipeline from Providence, North Providence, Johnston, and portions of Lincoln and Cranston.
  • Recent legislation has set new nitrogen discharge limits for Field’s Point at 5 mg per liter, down from 17 mg per liter.
  • BIM was used throughout this project.


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