Massingill Mark is a superfund site located at 2500 Young Rd, Modesto, CA 95351. The Environmental Protection Agency (EPA) identifies sites such as Massingill Mark 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. Massingill Mark 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.