Mcneil Island Correction Center is a superfund site located at Mcneil Island, Steilacoom, WA 98388. The Environmental Protection Agency (EPA) identifies sites such as Mcneil Island Correction Center 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. Mcneil Island Correction Center is currently registered as an Archived superfund site by the EPA and does not require any clean up action or further investigation at this time.