Joe Boaz Site 4 Sia is a superfund site located at 1/4mi Ne Of Jct Of Sr7 & Us31, Columbus, IN 47201. The Environmental Protection Agency (EPA) identifies sites such as Joe Boaz Site 4 Sia 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. Joe Boaz Site 4 Sia 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.