National Southwire Aluminum Co is a superfund site located at Jct Ky Hwy 271 And 334, Hawesville, KY 42348. The Environmental Protection Agency (EPA) identifies sites such as National Southwire Aluminum Co 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. National Southwire Aluminum Co is currently registered as an Active NPL superfund site by the EPA. Because it is on the NPL (National Priorities List), National Southwire Aluminum Co is considered one of the worst hazardous waste sites identified by the EPA.