Upper Middle Park Canyon is a superfund site located at T22 S., R.45e., Sec 27, Ballarat, CA 93562. The Environmental Protection Agency (EPA) identifies sites such as Upper Middle Park Canyon 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. Upper Middle Park Canyon 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.