The Narragansett Bay Commission was created by the Rhode Island General Assembly in 1980 to reduce pollution and improve the quality of Narragansett Bay and its tributaries. The NBC, a non-profit public corporation regulated by the RI Public Utilities Commission, provides wastewater collection and treatment services to over 350,000 people in Providence, North Providence, Johnston, Pawtucket, Central Falls, Lincoln, Cumberland, East Providence, and portions of Smithfield and Cranston.
