Whiting Door Deer Valley is a superfund site located at 5015 N Hwy 67, Florissant, MO 63034. The Environmental Protection Agency (EPA) identifies sites such as Whiting Door Deer Valley 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. Whiting Door Deer Valley is currently registered as an Archived superfund site by the EPA and does not require any clean up action or further investigation at this time.