Grumman Aerospace is a superfund site located at Wading River Manor Rd, Calverton, NY 11933. The Environmental Protection Agency (EPA) identifies sites such as Grumman Aerospace 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. Grumman Aerospace 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.