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Valencia Power Plant | VRP Site

Location: 

1741 N. Grand Ave., Nogales, AZ 

Acceptance Into Voluntary Remediation Program (VRP):

Feb. 18, 2004

Contaminants of Concern (COCs):

  • Chlorinated Volatile Organic Compounds (VOCs)
  • Hexavalent Chromium

Affected Media:

  • Soil
  • Groundwater

What are My Health Risks:

For Soil | There is little to no health risk unless there is contact with skin or ingestion of contaminated soil
For Groundwater | If you are connected to a Public Water System (PWS) there is little to no risk of impact from this site, because the water is filtered through the PWS for residential and business use | View Drinking Water Notices > 
 

Site Summary:

  • Soil and groundwater investigations, source control and free product removal completed to address VOCs and hexavalent chromium
  • The site is in the monitoring phase with annual reporting. Semi-annual updates are provided to the agency in between the annual reporting events. The most recent Annual Report was received on March 31, 2021, and approved by ADEQ on April 7, 2021.
  • ADEQ met with the Volunteer on March 30, 2021 to review site status and discuss ideas for continued evaluation of the current remedy of monitored natural attenuation (MNA). The remedy evaluation includes additional data collection, which will occur in July 2021. A report of findings was provided to ADEQ in September 2021.
  • ADEQ met with the Volunteer on November 9, 2021 to review site status and the report of findings submitted in September 2021.
  • The Volunteer submitted a Project Progress Update following the November 9, 2021 meeting. ADEQ anticipates a formal Project Progress Report will be submitted along with the Annual Groundwater Monitoring Report in Spring 2022.