Hercules Inc Nirop is a superfund site located at 8400 West 4100 South, Magna, UT 84044. The Environmental Protection Agency (EPA) identifies sites such as Hercules Inc Nirop 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. Hercules Inc Nirop 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.