Mitchell Mill Drug Lab is a superfund site located at 7541 Mitchell Mill Road, Rail Road Flat, CA 95248. The Environmental Protection Agency (EPA) identifies sites such as Mitchell Mill Drug Lab 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. Mitchell Mill Drug Lab is currently registered as an Active superfund site by the EPA. However, it is not on the NPL (National Priorities List), which means the EPA does not consider it one of the nation's most hazardous waste sites.