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Former Capitol Castings | VRP Site


5857 S. Kyrene Road, Tempe, AZ

It is bounded by Western Canal and Kiwanis Park to the north and east, Kyrene Road to the west, and Guadalupe Road to the south.

Acceptance Into Voluntary Remediation Program (VRP):

January 2002

Contaminants of Concern (COCs):

  • 1,1,-dichlorethene (1,1-DCE)

Affected Media:

  • Groundwater

What Are My Health Risks?

For Groundwater | If you are connected to a Public Water System (PWS) there is little to no risk of impact from exceedances because the water is filtered through the PWS for residential and business use. | View Drinking Water Notices > 

If you have a private well in the vicinity of the exceedance, we encourage you to test the well water
Not sure what to test for? | 
Learn More > 

Site Summary:

The Former Capitol Castings Facility (the Site) has been managed under the oversight of the Arizona Department of Environmental Quality (ADEQ) Voluntary Remediation Program (VRP) since 2002. Offsite groundwater impacts are present, and stakeholders with downgradient receptors have been actively involved in the remedy selection and implementation process to address any potential impacts or concerns.

The Site has historically been monitored as two separate VRP areas:

  • The 1,1-DCE plume follows WQARF Rule and has a 2016 Record of Decision for monitoring | Record of Decision | View > | Periodic Site Review Report | View >
  • The formerly monitored petroleum plume underwent a public notice period for a risk-based closure for 45 days, from May 16 through July 1, 2019. A No Further Action determination for the LUST-affected groundwater was issued on August 20, 2019