Ncr Corp Millsboro Plant is a superfund site located at Mitchell Rd Pob 607, Millsboro, DE 19966. The Environmental Protection Agency (EPA) identifies sites such as Ncr Corp Millsboro Plant because they pose or had once posed a potential risk to human health and/or the environment due to contamination by one or more hazardous wastes. Ncr Corp Millsboro Plant is currently registered as an Active NPL superfund site by the EPA. Because it is on the NPL (National Priorities List), Ncr Corp Millsboro Plant is considered one of the worst hazardous waste sites identified by the EPA.