Welcome to the official Savannah River Operations Office (DOE-SR) page. Department of Energy (DOE) organization that serves as the landlord for site resources and is responsible for overseeing the work performed by the Savannah River Site’s (SRS) contractors. SRS is a key DOE industrial complex dedicated to; environmental cleanup, nuclear weapons stockpile stewardship, and nuclear materials disposition, in support of the nation's nuclear non-proliferation efforts. The site also develops and deploys technologies to support radiological and chemical cleanup activities following approximately 50 years of producing materials used for nuclear weapons, primarily plutonium and tritium. The site’s center is approximately 15 miles south of Aiken, South Carolina and 25 miles southeast of Augusta, Georgia...the two closest population centers. The site covers more than 310 square miles. SRS is responsible for oversight of the DOE's Environmental Management operations under the Office of Environmental Management (EM). The National Nuclear Security Administration (NNSA) also manages the Savannah River Field Office and the Office of Nonproliferation that perform National Security missions at SRS as tenant organizations.