Mercury 2700 Highway 76 is a superfund site located at 2700 Highway 76, Willow Springs, MO 65793. The Environmental Protection Agency (EPA) identifies sites such as Mercury 2700 Highway 76 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. Mercury 2700 Highway 76 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.