Location: 

• Holbrook, Navajo County, Arizona

Acceptance Into Voluntary Remediation Program (VRP):

• Dec. 4, 2021

Contaminants of Concern (COCs):

• Benzene, toluene, ethylbenzene and xylene (BTEX)
• Methyl tertiary-butyl ether (MTBE)

Affected Media:

• Groundwater
• Soil

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 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:

• Volunteer submitted a Site Characterization Work Plan in July 2022
• The VRP approved the Site Characterization Work Plan in September 2022
• Volunteer submitted a Site Investigation Report (SIR).
• The VRP approved the SIR and requested a Remedial Action Plan on Feb. 24, 2025.