El Reno Roundhouse Area is a superfund site located at Us-81 North Of City, El Reno, OK 73036. The Environmental Protection Agency (EPA) identifies sites such as El Reno Roundhouse Area 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. El Reno Roundhouse Area 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.