Narragansett Bay Commission owns and operates Rhode Island’s two largest wastewater treatment plants along with an extensive infrastructure of interceptors, pump stations, tide-gates and combined sewer overflows. The location of the two wastewater treatment facilities is shown on the map below:

           Facilities map

In response to federal and state mandates, NBC is in the process of designing and/or constructing significant capital improvements. These improvements are described in the Major Initiatives section.