Kaufman E H Sia is a superfund site located at Sw1/4 Of Sec12 T20n R4e, Dewitt Twp, IL 61735. The Environmental Protection Agency (EPA) identifies sites such as Kaufman E H 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. Kaufman E H 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.