Aminoil Usa Inc is a superfund site located at Kgra Geysers Fld Nr, Middletown, CA 95461. The Environmental Protection Agency (EPA) identifies sites such as Aminoil Usa Inc 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. Aminoil Usa Inc 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.