U.S. EPA, U.S. Department of Justice, and state of Arkansas announced that Fort Smith, AR will upgrade its sewer collection and treatment system over 12 years to reduce discharges of raw sewage and other pollutants into local waterways. Expected expenses, in addition to routine operation/maintenance, are estimated at $255 million. Also under settlement, Fort Smith will pay $300,000 civil penalty and spend $400,000 to help low-income areas repair and replace privately owned sewer network portions.