Envirochem Corp is a superfund site located at 865 South State Road 421, Zionsville, IN 46077. The Environmental Protection Agency (EPA) identifies sites such as Envirochem Corp 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. Envirochem Corp is currently registered as an Active NPL superfund site by the EPA. Because it is on the NPL (National Priorities List), Envirochem Corp is considered one of the worst hazardous waste sites identified by the EPA.