Registry placement date: Shannon Road-Rillito Creek site on April 23, 1999; El Camino del Cerro site on Aug. 18, 1998; the two sites were combined in the fall of 2004 based on sampling results showing a single plume

El Camino del Cerro Site Score: 71

Shannon Road-Rillito Creek Site Score: 53

County: Pima

Location

Tucson, Arizona. The site includes the closed El Camino del Cerro Landfill and is bounded by West Shumaker Drive to the north, El Camino del Cerro Road to the south, North Dartwhite Drive to the east, and Interstate 10 Highway to the west.

If you own a private well, live in or near the site boundaries, and have not had your well tested, please contact ADEQ.

Contaminants of Concern

Tetrachloroethene (PCE), trichloroethene (TCE) and cis-1,2-dichloroethene (cis-1,2-DCE)

Action Taken

The contaminant plume impacted three community wells, which were removed from service. One of these wells was returned to service with a wellhead treatment system removing contaminants of concern to meet drinking water standards.

Status

ADEQ is currently drafting a Record of Decision for the site.

Community Advisory Board (CAB)

Established and meets on a regular basis. A list of CAB members and their contact information is available in the Community Involvement Plan (CIP) | View/Download CIP >