East Central Phoenix - 40th Street and Osborn Road

Registry placement date: May 18, 2000

Score: 30

County: Maricopa

Location: Phoenix, bounded by Devonshire Avenue to the north, Amelia Avenue to the south, 40th Street to the east and 38th Street to the west

Contaminants of concern: Tetrachloroethene (PCE) 

Action taken: ADEQ has installed and sampled groundwater monitoring wells periodically since 2003.

Status: The site is in the remedial investigation (RI) phase. In 2015, PCE in groundwater ranged from <1.0 micrograms per liter (μg/L) to 77 μg/L. Groundwater sampling and drilling is ongoing to determine the lateral and vertical extent of PCE.

Community Advisory Board (CAB): Established and meets on a regular basis