Walter Reed Army Medical Center is a superfund site located at Md Route 193, Wheaton, MD 20902. The Environmental Protection Agency (EPA) identifies sites such as Walter Reed Army Medical Center 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. Walter Reed Army Medical Center 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.