Sauer Dump is a superfund site located at 4225 Lynhurst Road, Dundalk, MD 21222. The Environmental Protection Agency (EPA) identifies sites such as Sauer Dump 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. Sauer Dump is currently registered as an Active NPL superfund site by the EPA. Because it is on the NPL (National Priorities List), Sauer Dump is considered one of the worst hazardous waste sites identified by the EPA.