Old Ofallon Treatment Plant

Old Ofallon Treatment Plant is a superfund site located at Westhoff Pk, O'fallon, MO 63366. The Environmental Protection Agency (EPA) identifies sites such as Old Ofallon Treatment Plant 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. Old Ofallon Treatment Plant 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.