Pg And E Gas Plant Gilroy is a superfund site located at Sw Cor 6th & Rr St(w Of Rr Row, Gilroy, CA 95020. The Environmental Protection Agency (EPA) identifies sites such as Pg And E Gas Plant Gilroy 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. Pg And E Gas Plant Gilroy 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.